Re: WiFi

[Samuel Sieb]

On 8/28/22 00:10, Patrick Dupre wrote:

It seems working if you are connected to a WiFi,
but being connected through a network interface with a 4G USB key,
I do not use WiFi, and in Network setting, I do not see an option
to turn ON/OFF a hotspot.


It's in the *wifi* settings. 3 dots in the top-right corner.
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Re: WiFi

[Patrick Dupre]

Thank,

It seems working if you are connected to a WiFi,
but being connected through a network interface with a 4G USB key,
I do not use WiFi, and in Network setting, I do not see an option
to turn ON/OFF a hotspot.



> To: users@lists.fedoraproject.org
> Subject: Re: WiFi
>
> On 8/26/22 09:45, Patrick Dupre wrote:
> > If I have a Laptop conected to Internet via a Wifi connection or a
> > 4G connection (USB key), can I share the connection toward a mobile
> > for example?
> > I did not see this option in the setting.
> > Do I need to install a package?
>
> The following instructions assume Gnome.
>
> You can't share wifi if you're using it (maybe if you have a second wifi
> interface, I haven't tried that).  If you're using the 4G connection,
> then go to wifi settings and click on the 3 dots in the top-right.
> There is an option in there to turn on the hotspot.
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Re: WiFi

[Samuel Sieb]

On 8/26/22 09:45, Patrick Dupre wrote:

If I have a Laptop conected to Internet via a Wifi connection or a
4G connection (USB key), can I share the connection toward a mobile
for example?
I did not see this option in the setting.
Do I need to install a package?


The following instructions assume Gnome.

You can't share wifi if you're using it (maybe if you have a second wifi 
interface, I haven't tried that).  If you're using the 4G connection, 
then go to wifi settings and click on the 3 dots in the top-right. 
There is an option in there to turn on the hotspot.

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Re: WiFi

[George N. White III]

On Fri, Aug 26, 2022 at 6:30 PM Barry Scott  wrote:

>
>
> > On 26 Aug 2022, at 17:45, Patrick Dupre  wrote:
> >
> > Hello,
> >
> > If I have a Laptop conected to Internet via a Wifi connection or a
> > 4G connection (USB key), can I share the connection toward a mobile
> > for example?
> > I did not see this option in the setting.
> > Do I need to install a package?
>
> Usually it is the other way round.
> The mobile connects to the internet and is a wifi hot-spot that you use
> from the laptop.
>
> Why does the mobile need to share the 4G on the laptop?
>

Living a farming region:

There is a use case for work that requires a laptop with cellular data in
outdoors
locations (e.g., technicians repairing farm equipment).  There are times
when a
video conference is needed while laptop is busy running diagnostic tools,
e.g.,
using phone camera to show moving machinery components to the engineers.

-- 
George N. White III
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Re: WiFi

[Patrick Dupre]

> > 
> > Hello,
> > 
> > If I have a Laptop conected to Internet via a Wifi connection or a
> > 4G connection (USB key), can I share the connection toward a mobile
> > for example?
> > I did not see this option in the setting.
> > Do I need to install a package?
> 
> Usually it is the other way round.
> The mobile connects to the internet and is a wifi hot-spot that you use from 
> the laptop.
Yes, I know.
But we can reverse it.

> 
> Why does the mobile need to share the 4G on the laptop?
> 
> Barry
> 
> 
> > 
> > Thank
> > 
> > 
> > ===
> > Patrick DUPRÉ | | email: pdu...@gmx.com
> > Laboratoire interdisciplinaire Carnot de Bourgogne
> > 9 Avenue Alain Savary, BP 47870, 21078 DIJON Cedex FRANCE
> > Tel: +33 (0)380395988| | Room# D114A
> > ===
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Re: WiFi

[Barry Scott]

> On 26 Aug 2022, at 17:45, Patrick Dupre  wrote:
> 
> Hello,
> 
> If I have a Laptop conected to Internet via a Wifi connection or a
> 4G connection (USB key), can I share the connection toward a mobile
> for example?
> I did not see this option in the setting.
> Do I need to install a package?

Usually it is the other way round.
The mobile connects to the internet and is a wifi hot-spot that you use from 
the laptop.

Why does the mobile need to share the 4G on the laptop?

Barry


> 
> Thank
> 
> 
> ===
> Patrick DUPRÉ | | email: pdu...@gmx.com
> Laboratoire interdisciplinaire Carnot de Bourgogne
> 9 Avenue Alain Savary, BP 47870, 21078 DIJON Cedex FRANCE
> Tel: +33 (0)380395988| | Room# D114A
> ===
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Re: Wifi Device Last Used Message From Network Manager - What Does the Message Mean?

[Stephen Morris]

On 30/7/22 03:59, George N. White III wrote:
On Tue, Jul 26, 2022 at 8:52 PM Stephen Morris 
 wrote:


On 25/7/22 20:15, Alex wrote:
> It means what it says. If you are connected to Wi-Fi, it will
display
> last used Now, disconnect and it will instead say last used 1
minute ago.
Thanks Alex, that is what I thought it meant, but what does it
mean when
it says "Device last used 30 minutes ago" on a device that Linux was
unable to detect because Windows Fast Boot had the device locked, and
especially when I had just booted into Linux on a machine that had
been
powered off for 9 hours?


30 minutes + time zone difference of 8 or 9 hours?
Thanks George, it's possible, I just wasn't expecting it to take the 
time zone into account and treat local time as UTC time.


regards,
Steve


--
George N. White III


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Re: Wifi Device Last Used Message From Network Manager - What Does the Message Mean?

[George N. White III]

On Tue, Jul 26, 2022 at 8:52 PM Stephen Morris 
wrote:

> On 25/7/22 20:15, Alex wrote:
> > It means what it says. If you are connected to Wi-Fi, it will display
> > last used Now, disconnect and it will instead say last used 1 minute ago.
> Thanks Alex, that is what I thought it meant, but what does it mean when
> it says "Device last used 30 minutes ago" on a device that Linux was
> unable to detect because Windows Fast Boot had the device locked, and
> especially when I had just booted into Linux on a machine that had been
> powered off for 9 hours?
>

30 minutes + time zone difference of 8 or 9 hours?

-- 
George N. White III
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Re: Wifi Device Last Used Message From Network Manager - What Does the Message Mean?

[Stephen Morris]

On 25/7/22 20:15, Alex wrote:
It means what it says. If you are connected to Wi-Fi, it will display 
last used Now, disconnect and it will instead say last used 1 minute ago.
Thanks Alex, that is what I thought it meant, but what does it mean when 
it says "Device last used 30 minutes ago" on a device that Linux was 
unable to detect because Windows Fast Boot had the device locked, and 
especially when I had just booted into Linux on a machine that had been 
powered off for 9 hours?


regards,
Steve



On 7/25/22 00:50, Stephen Morris wrote:

Hi,
    When I boot into Linux and look at the config for my wifi device 
and it says the device was "Last used 30 minutes Ago", what exactly 
does that message mean? Does it mean what is says, or does it mean 
that was the last time the device was attempted to be activated? I'm 
asking this because I have had that message on a device that Linux 
could not use.


regards,
Steve
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Re: Wifi Device Last Used Message From Network Manager - What Does the Message Mean?

[Alex]

It means what it says. If you are connected to Wi-Fi, it will display 
last used Now, disconnect and it will instead say last used 1 minute ago.


On 7/25/22 00:50, Stephen Morris wrote:

Hi,
    When I boot into Linux and look at the config for my wifi device 
and it says the device was "Last used 30 minutes Ago", what exactly 
does that message mean? Does it mean what is says, or does it mean 
that was the last time the device was attempted to be activated? I'm 
asking this because I have had that message on a device that Linux 
could not use.


regards,
Steve
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Re: Wifi not Started at Boot and Networkmanager Wifi Last Used Stats Wrong (Resolved)

[Stephen Morris]

On 20/7/22 09:46, Stephen Morris wrote:

On 9/7/22 23:29, Stephen Morris wrote:

On 6/7/22 09:23, Roger Heflin wrote:
Error -110 is timeout, meaning the device did not respond to the 
commands.


It usually means the hardware in question is in a bad/locked up state
so the kernel is unable to init it.

If the issue is after a suspend/resume then try below:

Other notes indicate this:

Please create the file /etc/modprobe.d/iwlwifi.conf with content

options iwlwifi remove_when_gone=1

as some of these issues are suspend/resume issues where it does not
get init'ed right on resume.
In my case its not as suspend/resume process. I get this issue on a 
cold start of the machine where I boot into directly into 
Fedora/Ubuntu and the wifi device is not activated. If I boot into 
Windows and run Windows for a while then warm boot from Windows into 
Fedora the wifi device is available and wifi activates. What I've 
seen on the net is someone else raising the same issues with Fedora 
34 and the same wifi device, but the support people the person was 
reporting the issue to said they couldn't help him because at the 
time Fedora 34 was out of life.

I'll try the iwlwifi.conf method and see if it makes any difference.
I put the specified command into iwlwifi.conf and it makes not 
difference, the wifi is not available on booting directly into linux.
Just one further question , if connected to ethernet how do you try 
switching to wifi if networkmanager doesn't show any of the wifi 
ssid's so that you can try connecting to them?


regards,
Steve

I have found an article on the net that has resolved the issue with the 
wifi device not being available in Linux if I don't boot into Windows 
first. The article specified that "Fast Boot" needs to be disabled in 
the bios, I already had it disabled because of its functionality (if 
active it requires a Windows utility to cause the next boot to boot into 
the bios, which as far as I am aware is not available for Linux), and 
more importantly, "Fast Boot" must be disabled in Windows as well. 
Thankyou to everyone who provided assistance with this issue.


regards,
Steve


regards,
Steve

On Tue, Jul 5, 2022 at 5:39 PM Stephen Morris 
 wrote:

On 4/7/22 22:42, Tim via users wrote:

On Mon, 2022-07-04 at 18:15 +1000, Stephen Morris wrote:

The package must have been updated as when I looked yesterday it
didn't supply any of those files, unless I looked at the file list
from the wrong package

dnf history

See what got updated when.


Thanks Tim, I'll check that out.

I've booted directly into Fedora this morning and the wifi is not
working again, its back to the situation of getting probe error -110
without ever trying to load the adapter's firmware.
I've seen another thread on the net where someone else was raising an
issue with the same wifi adapter with Fedora 34, where that person was
saying it seemed to work if he booted into Windows first, and it's now
looking like I'm getting the same issue. I'm assuming this is a kernel
issue, so what is the linux kernel not doing that windows does do to
activate the hardware (its not an issue specific to Fedora as I get 
the

same lack of wifi issue under Ubuntu as well)?

regards,
Steve

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List 

Re: Wifi not Started at Boot and Networkmanager Wifi Last Used Stats Wrong

[Stephen Morris]

On 9/7/22 23:29, Stephen Morris wrote:

On 6/7/22 09:23, Roger Heflin wrote:
Error -110 is timeout, meaning the device did not respond to the 
commands.


It usually means the hardware in question is in a bad/locked up state
so the kernel is unable to init it.

If the issue is after a suspend/resume then try below:

Other notes indicate this:

Please create the file /etc/modprobe.d/iwlwifi.conf with content

options iwlwifi remove_when_gone=1

as some of these issues are suspend/resume issues where it does not
get init'ed right on resume.
In my case its not as suspend/resume process. I get this issue on a 
cold start of the machine where I boot into directly into 
Fedora/Ubuntu and the wifi device is not activated. If I boot into 
Windows and run Windows for a while then warm boot from Windows into 
Fedora the wifi device is available and wifi activates. What I've seen 
on the net is someone else raising the same issues with Fedora 34 and 
the same wifi device, but the support people the person was reporting 
the issue to said they couldn't help him because at the time Fedora 34 
was out of life.

I'll try the iwlwifi.conf method and see if it makes any difference.
I put the specified command into iwlwifi.conf and it makes not 
difference, the wifi is not available on booting directly into linux.
Just one further question , if connected to ethernet how do you try 
switching to wifi if networkmanager doesn't show any of the wifi ssid's 
so that you can try connecting to them?


regards,
Steve



regards,
Steve

On Tue, Jul 5, 2022 at 5:39 PM Stephen Morris 
 wrote:

On 4/7/22 22:42, Tim via users wrote:

On Mon, 2022-07-04 at 18:15 +1000, Stephen Morris wrote:

The package must have been updated as when I looked yesterday it
didn't supply any of those files, unless I looked at the file list
from the wrong package

dnf history

See what got updated when.


Thanks Tim, I'll check that out.

I've booted directly into Fedora this morning and the wifi is not
working again, its back to the situation of getting probe error -110
without ever trying to load the adapter's firmware.
I've seen another thread on the net where someone else was raising an
issue with the same wifi adapter with Fedora 34, where that person was
saying it seemed to work if he booted into Windows first, and it's now
looking like I'm getting the same issue. I'm assuming this is a kernel
issue, so what is the linux kernel not doing that windows does do to
activate the hardware (its not an issue specific to Fedora as I get the
same lack of wifi issue under Ubuntu as well)?

regards,
Steve

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Re: Wifi not Started at Boot and Networkmanager Wifi Last Used Stats Wrong

[Stephen Morris]

On 6/7/22 09:23, Roger Heflin wrote:

Error -110 is timeout, meaning the device did not respond to the commands.

It usually means the hardware in question is in a bad/locked up state
so the kernel is unable to init it.

If the issue is after a suspend/resume then try below:

Other notes indicate this:

Please create the file /etc/modprobe.d/iwlwifi.conf with content

options iwlwifi remove_when_gone=1

as some of these issues are suspend/resume issues where it does not
get init'ed right on resume.
In my case its not as suspend/resume process. I get this issue on a cold 
start of the machine where I boot into directly into Fedora/Ubuntu and 
the wifi device is not activated. If I boot into Windows and run Windows 
for a while then warm boot from Windows into Fedora the wifi device is 
available and wifi activates. What I've seen on the net is someone else 
raising the same issues with Fedora 34 and the same wifi device, but the 
support people the person was reporting the issue to said they couldn't 
help him because at the time Fedora 34 was out of life.

I'll try the iwlwifi.conf method and see if it makes any difference.

regards,
Steve

On Tue, Jul 5, 2022 at 5:39 PM Stephen Morris  
wrote:

On 4/7/22 22:42, Tim via users wrote:

On Mon, 2022-07-04 at 18:15 +1000, Stephen Morris wrote:

The package must have been updated as when I looked yesterday it
didn't supply any of those files, unless I looked at the file list
from the wrong package

dnf history

See what got updated when.


Thanks Tim, I'll check that out.

I've booted directly into Fedora this morning and the wifi is not
working again, its back to the situation of getting probe error -110
without ever trying to load the adapter's firmware.
I've seen another thread on the net where someone else was raising an
issue with the same wifi adapter with Fedora 34, where that person was
saying it seemed to work if he booted into Windows first, and it's now
looking like I'm getting the same issue. I'm assuming this is a kernel
issue, so what is the linux kernel not doing that windows does do to
activate the hardware (its not an issue specific to Fedora as I get the
same lack of wifi issue under Ubuntu as well)?

regards,
Steve

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Re: Wifi not Started at Boot and Networkmanager Wifi Last Used Stats Wrong

[Roger Heflin]

Error -110 is timeout, meaning the device did not respond to the commands.

It usually means the hardware in question is in a bad/locked up state
so the kernel is unable to init it.

If the issue is after a suspend/resume then try below:

Other notes indicate this:

Please create the file /etc/modprobe.d/iwlwifi.conf with content

options iwlwifi remove_when_gone=1

as some of these issues are suspend/resume issues where it does not
get init'ed right on resume.

On Tue, Jul 5, 2022 at 5:39 PM Stephen Morris  wrote:
>
> On 4/7/22 22:42, Tim via users wrote:
> > On Mon, 2022-07-04 at 18:15 +1000, Stephen Morris wrote:
> >> The package must have been updated as when I looked yesterday it
> >> didn't supply any of those files, unless I looked at the file list
> >> from the wrong package
> > dnf history
> >
> > See what got updated when.
> >
> Thanks Tim, I'll check that out.
>
> I've booted directly into Fedora this morning and the wifi is not
> working again, its back to the situation of getting probe error -110
> without ever trying to load the adapter's firmware.
> I've seen another thread on the net where someone else was raising an
> issue with the same wifi adapter with Fedora 34, where that person was
> saying it seemed to work if he booted into Windows first, and it's now
> looking like I'm getting the same issue. I'm assuming this is a kernel
> issue, so what is the linux kernel not doing that windows does do to
> activate the hardware (its not an issue specific to Fedora as I get the
> same lack of wifi issue under Ubuntu as well)?
>
> regards,
> Steve
>
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Re: Wifi not Started at Boot and Networkmanager Wifi Last Used Stats Wrong

[Stephen Morris]

On 4/7/22 22:42, Tim via users wrote:

On Mon, 2022-07-04 at 18:15 +1000, Stephen Morris wrote:

The package must have been updated as when I looked yesterday it
didn't supply any of those files, unless I looked at the file list
from the wrong package

dnf history

See what got updated when.


Thanks Tim, I'll check that out.

I've booted directly into Fedora this morning and the wifi is not 
working again, its back to the situation of getting probe error -110 
without ever trying to load the adapter's firmware.
I've seen another thread on the net where someone else was raising an 
issue with the same wifi adapter with Fedora 34, where that person was 
saying it seemed to work if he booted into Windows first, and it's now 
looking like I'm getting the same issue. I'm assuming this is a kernel 
issue, so what is the linux kernel not doing that windows does do to 
activate the hardware (its not an issue specific to Fedora as I get the 
same lack of wifi issue under Ubuntu as well)?


regards,
Steve

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Re: Wifi not Started at Boot and Networkmanager Wifi Last Used Stats Wrong

[Tim via users]

On Mon, 2022-07-04 at 18:15 +1000, Stephen Morris wrote:
> The package must have been updated as when I looked yesterday it
> didn't supply any of those files, unless I looked at the file list
> from the wrong package

dnf history

See what got updated when.

-- 
 
uname -rsvp
Linux 3.10.0-1160.71.1.el7.x86_64 #1 SMP Tue Jun 28 15:37:28 UTC 2022 x86_64
 
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Re: Wifi not Started at Boot and Networkmanager Wifi Last Used Stats Wrong

[Stephen Morris]

On 4/7/22 12:13, Samuel Sieb wrote:

On 7/3/22 03:12, Stephen Morris wrote:

On 3/7/22 19:05, Stephen Morris wrote:

On 30/6/22 09:08, Stephen Morris wrote:

Hi,
    I booted into Fedora this morning and had no network available 
because wifi had not been started. Dmesg showed the following message:


iwlwifi: probe of :05:00.0 failed with error -110


Were there any other messages around that?  Without any other context, 
that looks like a hardware error.


The wifi device was working for a while (last used on 29/6/2022) but 
I think it stopped working after putting on a bunch of update 
packages, and further updates have not resolved the issue.
Nmcli doesn't seem to be able to see a wifi device but lspci can see 
the Wifi 6 AX200 controller.


nmcli will only see it if the module successfully initializes the 
hardware.


Looking in dmesg, iwlwifi doesn't seem to be loading the firmware for 
the AX200. Looking at /lib/firmware there are a whole bunch of 
iwlwifi- files but none of them appear to be for the AX200. The 
iwlax2xx-firmware package is installed but it doesn't install any 
files in /lib/firmware and seems to be for an Asterisk. Given that 
the wifi was working for a while and loading firmware, how do I 
determine where the firmware has gone?


I don't know how you're seeing a connection to Asterisk, but it 
certainly installs a *lot* of files into /usr/lib/firmware (108 of them).
The package must have been updated as when I looked yesterday it didn't 
supply any of those files, unless I looked at the file list from the 
wrong package. But whatever the issue was wifi is now working and dmesg 
is showing the same messages as it did on 29/6/2022, which is a bit 
disconcerting as potentially it now seems that wifi support is only 
randomly working?


regards,
Steve

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Re: Wifi not Started at Boot and Networkmanager Wifi Last Used Stats Wrong

[Samuel Sieb]

On 7/3/22 03:12, Stephen Morris wrote:

On 3/7/22 19:05, Stephen Morris wrote:

On 30/6/22 09:08, Stephen Morris wrote:

Hi,
    I booted into Fedora this morning and had no network available 
because wifi had not been started. Dmesg showed the following message:


iwlwifi: probe of :05:00.0 failed with error -110


Were there any other messages around that?  Without any other context, 
that looks like a hardware error.


The wifi device was working for a while (last used on 29/6/2022) but I 
think it stopped working after putting on a bunch of update packages, 
and further updates have not resolved the issue.
Nmcli doesn't seem to be able to see a wifi device but lspci can see 
the Wifi 6 AX200 controller.


nmcli will only see it if the module successfully initializes the hardware.

Looking in dmesg, iwlwifi doesn't seem to be loading the firmware for 
the AX200. Looking at /lib/firmware there are a whole bunch of iwlwifi- 
files but none of them appear to be for the AX200. The iwlax2xx-firmware 
package is installed but it doesn't install any files in /lib/firmware 
and seems to be for an Asterisk. Given that the wifi was working for a 
while and loading firmware, how do I determine where the firmware has gone?


I don't know how you're seeing a connection to Asterisk, but it 
certainly installs a *lot* of files into /usr/lib/firmware (108 of them).

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Re: Wifi not Started at Boot and Networkmanager Wifi Last Used Stats Wrong

[Stephen Morris]

On 3/7/22 19:05, Stephen Morris wrote:

On 30/6/22 09:08, Stephen Morris wrote:

Hi,
    I booted into Fedora this morning and had no network available 
because wifi had not been started. Dmesg showed the following message:


iwlwifi: probe of :05:00.0 failed with error -110

    There is not an issue with the wifi router as my wife was using 
the internet on her laptop at the time.
    Also, when I looked at the wifi definition it said the wifi was 
last used 3 hours ago, but it has been over 9 hours since I shutdown 
my pc and that was from Windows, so where is networkmanager (assuming 
Fedora is still using networkmanager) getting its information from? I 
am using KDE for my desktop.


The wifi device was working for a while (last used on 29/6/2022) but I 
think it stopped working after putting on a bunch of update packages, 
and further updates have not resolved the issue.
Nmcli doesn't seem to be able to see a wifi device but lspci can see 
the Wifi 6 AX200 controller.
Looking in dmesg, iwlwifi doesn't seem to be loading the firmware for 
the AX200. Looking at /lib/firmware there are a whole bunch of iwlwifi- 
files but none of them appear to be for the AX200. The iwlax2xx-firmware 
package is installed but it doesn't install any files in /lib/firmware 
and seems to be for an Asterisk. Given that the wifi was working for a 
while and loading firmware, how do I determine where the firmware has gone?


regards,
Steve


regards,
Steve


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Re: Wifi not Started at Boot and Networkmanager Wifi Last Used Stats Wrong

[Stephen Morris]

On 30/6/22 09:08, Stephen Morris wrote:

Hi,
    I booted into Fedora this morning and had no network available 
because wifi had not been started. Dmesg showed the following message:


iwlwifi: probe of :05:00.0 failed with error -110

    There is not an issue with the wifi router as my wife was using 
the internet on her laptop at the time.
    Also, when I looked at the wifi definition it said the wifi was 
last used 3 hours ago, but it has been over 9 hours since I shutdown 
my pc and that was from Windows, so where is networkmanager (assuming 
Fedora is still using networkmanager) getting its information from? I 
am using KDE for my desktop.


The wifi device was working for a while (last used on 29/6/2022) but I 
think it stopped working after putting on a bunch of update packages, 
and further updates have not resolved the issue.
Nmcli doesn't seem to be able to see a wifi device but lspci can see the 
Wifi 6 AX200 controller.

regards,
Steve


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Re: wifi connection problem.

[Ron Yorston]

François Patte wrote:
>Is it a known bug and what causes this dysfonction?

I understand it's a problem with the kernel.  If you still have
kernel-5.16.14-200.fc35 installed booting with that should avoid the
issue.

The forthcoming kernel-5.16.18-200.fc35 might have the fix.

Cheers,

Ron
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Re: WiFi flakiness after recent upgrades

[George N. White III]

On Wed, 23 Mar 2022 at 09:19, Max Pyziur  wrote:

> On Tue, 22 Mar 2022, Chris Rouch wrote:
>
> > I went through the same process.
> >
> > kernel-5.16.15-201.fc35.x86_64 causes the wifi to drop regularly
> > kernel-5.16.14-200.fc35.x86_64 works well.
> >
> > This is with an Atheros wireless chip
>
>
> I just upgraded to the *16* kernel. This problem continues.
>
> I'm now back to running the *14* kernel.
>
> Is there a way to report this problem?
>

Bugzilla reports are useful as they will be the first place users check
after encountering problems, but in my experience, upstream devs
may already be aware of the issue and can often provide a patch if
you are willing to install it from source.  For Secure Boot you
may need to create a machine-owner key (MOK).  Instructions are
available.for Fedora 35:

Working with Kernel Modules :: Fedora Docs (fedoraproject.org)


-- 
George N. White III
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Re: WiFi flakiness after recent upgrades

[Barry]

> On 23 Mar 2022, at 12:20, Max Pyziur  wrote:
> 
> On Tue, 22 Mar 2022, Chris Rouch wrote:
> 
>> I went through the same process.
>> kernel-5.16.15-201.fc35.x86_64 causes the wifi to drop regularly
>> kernel-5.16.14-200.fc35.x86_64 works well.
>> This is with an Atheros wireless chip
> 
> 
> I just upgraded to the *16* kernel. This problem continues.
> 
> I'm now back to running the *14* kernel.
> 
> Is there a way to report this problem?

Yes in the fedora bugzilla.

This page will get you started: https://fedoraproject.org/wiki/Bugzilla

Barry
> 
> Much thanks,
> 
> Max
> 
>> Regards,
>> Chris
>> On Sun, 20 Mar 2022 at 18:44, Max Pyziur  wrote:
>>  On Sun, 20 Mar 2022, Tim Evans wrote:
>> 
>>  > On 3/20/22 10:50, Max Pyziur wrote:
>>  >>
>>  >> Greetings,
>>  >>
>>  >> I have an elderly Dell XPS 13 laptop (L321x); it seems that after a 
>> recent
>>  >> software upgrade, the Wifi has become intermittant. As a fallback, I 
>> have a
>>  >> USB ethernet connection to cabled switch that is delivering steadily.
>>  >>
>>  >> All other wifi devices (samsung phones, etc) are connected and 
>> operating
>>  >> correctly.
>>  >>
>>  >>
>>  >> Is anyone else having difficulties?
>>  >
>>  > I was just thinking about posting this, too.  Lenovo T530 with Intel
>>  > Corporation Centrino Ultimate-N 6300 (rev 3e)
>>  >
>>  > Wifi connects, then drops, then reconnects. Rinse and repeat.
>> 
>>  "I have a witness."
>> 
>>  I've rebooted to an earlier kernel (kernel-5.16.14-200.fc35.x86_64), and
>>  things seem to be stable, wifi-wise. On the newest kernel
>>  (kernel-5.16.15-201.fc35.x86_64) things would have become problematic 
>> w/in
>>  a few minutes.
>> 
>>  Am I doing this correctly, or are should other approaches be tried?
>> 
>>  Max
>>  p...@brama.com
>> 
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>> --
>> Met vriendelijke groet,
>> Chris Rouch
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Re: WiFi flakiness after recent upgrades

[Max Pyziur]

On Tue, 22 Mar 2022, Chris Rouch wrote:


I went through the same process.

kernel-5.16.15-201.fc35.x86_64 causes the wifi to drop regularly
kernel-5.16.14-200.fc35.x86_64 works well.

This is with an Atheros wireless chip



I just upgraded to the *16* kernel. This problem continues.

I'm now back to running the *14* kernel.

Is there a way to report this problem?

Much thanks,

Max


Regards,

Chris



On Sun, 20 Mar 2022 at 18:44, Max Pyziur  wrote:
  On Sun, 20 Mar 2022, Tim Evans wrote:

  > On 3/20/22 10:50, Max Pyziur wrote:
  >>
  >> Greetings,
  >>
  >> I have an elderly Dell XPS 13 laptop (L321x); it seems that after a 
recent
  >> software upgrade, the Wifi has become intermittant. As a fallback, I 
have a
  >> USB ethernet connection to cabled switch that is delivering steadily.
  >>
  >> All other wifi devices (samsung phones, etc) are connected and 
operating
  >> correctly.
  >>
  >>
  >> Is anyone else having difficulties?
  >
  > I was just thinking about posting this, too.  Lenovo T530 with Intel
  > Corporation Centrino Ultimate-N 6300 (rev 3e)
  >
  > Wifi connects, then drops, then reconnects. Rinse and repeat.

  "I have a witness."

  I've rebooted to an earlier kernel (kernel-5.16.14-200.fc35.x86_64), and
  things seem to be stable, wifi-wise. On the newest kernel
  (kernel-5.16.15-201.fc35.x86_64) things would have become problematic w/in
  a few minutes.

  Am I doing this correctly, or are should other approaches be tried?

  Max
  p...@brama.com


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--
Met vriendelijke groet,

Chris Rouch

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Re: WiFi flakiness after recent upgrades

[Chris Rouch]

I went through the same process.

kernel-5.16.15-201.fc35.x86_64 causes the wifi to drop regularly
kernel-5.16.14-200.fc35.x86_64 works well.

This is with an Atheros wireless chip

Regards,

Chris



On Sun, 20 Mar 2022 at 18:44, Max Pyziur  wrote:

> On Sun, 20 Mar 2022, Tim Evans wrote:
>
> > On 3/20/22 10:50, Max Pyziur wrote:
> >>
> >> Greetings,
> >>
> >> I have an elderly Dell XPS 13 laptop (L321x); it seems that after a
> recent
> >> software upgrade, the Wifi has become intermittant. As a fallback, I
> have a
> >> USB ethernet connection to cabled switch that is delivering steadily.
> >>
> >> All other wifi devices (samsung phones, etc) are connected and
> operating
> >> correctly.
> >>
> >>
> >> Is anyone else having difficulties?
> >
> > I was just thinking about posting this, too.  Lenovo T530 with Intel
> > Corporation Centrino Ultimate-N 6300 (rev 3e)
> >
> > Wifi connects, then drops, then reconnects. Rinse and repeat.
>
> "I have a witness."
>
> I've rebooted to an earlier kernel (kernel-5.16.14-200.fc35.x86_64), and
> things seem to be stable, wifi-wise. On the newest kernel
> (kernel-5.16.15-201.fc35.x86_64) things would have become problematic w/in
> a few minutes.
>
> Am I doing this correctly, or are should other approaches be tried?
>
> Max
> p...@brama.com
>
>
> > ___
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-- 
Met vriendelijke groet,

Chris Rouch
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Re: WiFi flakiness after recent upgrades

[Max Pyziur]

On Sun, 20 Mar 2022, Tim Evans wrote:


On 3/20/22 10:50, Max Pyziur wrote:


Greetings,

I have an elderly Dell XPS 13 laptop (L321x); it seems that after a recent 
software upgrade, the Wifi has become intermittant. As a fallback, I have a 
USB ethernet connection to cabled switch that is delivering steadily.


All other wifi devices (samsung phones, etc) are connected and operating 
correctly.



Is anyone else having difficulties?


I was just thinking about posting this, too.  Lenovo T530 with Intel 
Corporation Centrino Ultimate-N 6300 (rev 3e)


Wifi connects, then drops, then reconnects. Rinse and repeat.


"I have a witness."

I've rebooted to an earlier kernel (kernel-5.16.14-200.fc35.x86_64), and 
things seem to be stable, wifi-wise. On the newest kernel 
(kernel-5.16.15-201.fc35.x86_64) things would have become problematic w/in 
a few minutes.


Am I doing this correctly, or are should other approaches be tried?

Max
p...@brama.com



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Re: WiFi flakiness after recent upgrades

[Go Canes]

On Sun, Mar 20, 2022 at 10:50 AM Max Pyziur  wrote:
> I have an elderly Dell XPS 13 laptop (L321x); it seems that after a recent
> software upgrade, the Wifi has become intermittant. As a fallback, I have
> a USB ethernet connection to cabled switch that is delivering steadily.

The Wi-Fi card on my wife's XPS 13 failed a while back - the behavior
was intermittent dropped connections, poor throughput, etc.  I did
some googling and found multiple reports about a specific wifi card
used in some XPS 13s that was known to get flakey after a while -
sorry, but I don't remember specifics as to the card.

I replaced the wifi card with a new one - an Intel Corporation
Wireless-AC 9260.  No problems since.
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Re: WiFi flakiness after recent upgrades

[Tim Evans]

On 3/20/22 10:50, Max Pyziur wrote:


Greetings,

I have an elderly Dell XPS 13 laptop (L321x); it seems that after a 
recent software upgrade, the Wifi has become intermittant. As a 
fallback, I have a USB ethernet connection to cabled switch that is 
delivering steadily.


All other wifi devices (samsung phones, etc) are connected and operating 
correctly.



Is anyone else having difficulties?


I was just thinking about posting this, too.  Lenovo T530 with Intel 
Corporation Centrino Ultimate-N 6300 (rev 3e)


Wifi connects, then drops, then reconnects. Rinse and repeat.
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Re: WiFi reconnecting periodically after upgrade to F35

[Scott Talbert]

> On 23/11/2021 10:36, Scott Talbert wrote:
> 
> What router do you have?  Most allow for DHCP reservations which will keep 
> the same IP
> address even when the band
> changes.  Or, you can manually set your IP address which is out of the range 
> the DHCP
> server supplies.  This will also
> keep the same IP address.
> 
> This is what I do, and all my devices (phones, tablets, etc.) move seamlessly 
> between
> bands as they move around our home.
> Never a loss of connections.
> 
> --
> Did 황준호 die?

Yeah, my router supports that, and I'll add a DHCP reservation for my Fedora 
laptop.

However - I upgraded the firmware on my wireless AP on Monday and I haven't 
seen any wifi drops since then.  So possibly problem solved?  :-)

Thanks,
Scott
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Re: WiFi reconnecting periodically after upgrade to F35

[Samuel Sieb]

On 11/22/21 19:09, Scott Talbert wrote:

On Tue, 23 Nov 2021 02:36:12 -
Scott Talbert wrote:


I think it is actually the router being "helpful". My router serves
DHCP and allows me to set up permanent assignments of IP <=> MAC,
so the first time I connect a new device, I always do that, and the
IP doesn't change on me. I had a lot of weird wifi connection
problems till the latest router firmware update, now they are
very few and far between. (Though when I notice them, I still have
to fix things by rebooting the router).


That's a fair point - maybe if I configured my router similarly I would not 
notice the connections dropping.  I still would like to stop the frequency 
switching though.


The frequency shifting shouldn't be a problem.  It really shouldn't even 
be noticeable.  It's strange that your router is giving out different IP 
addresses on the different channels.  If you fix that, you'll be fine.

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Re: WiFi reconnecting periodically after upgrade to F35

[Ed Greshko]

On 23/11/2021 10:36, Scott Talbert wrote:

Roger, you hit the nail on the head.  After reviewing a bunch of old logs, it 
seems that I've been having intermittent connection drops for a while (i.e., 
while still on F34).  Previously, it seems it would just reconnect on 5 GHz - 
the change in F35 is that it now toggles between 5 and 2.5 and when it does, it 
changes my IP address, so I definitely notice.

What decides to switch frequencies - is that wpa_supplicant?  NetworkManager?


What router do you have?  Most allow for DHCP reservations which will keep the 
same IP address even when the band
changes.  Or, you can manually set your IP address which is out of the range 
the DHCP server supplies.  This will also
keep the same IP address.

This is what I do, and all my devices (phones, tablets, etc.) move seamlessly 
between bands as they move around our home.
Never a loss of connections.

--
Did 황준호 die?
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Re: WiFi reconnecting periodically after upgrade to F35

[Mike Wright]

On 11/22/21 7:09 PM, Scott Talbert wrote:

On Tue, 23 Nov 2021 02:36:12 -
Scott Talbert wrote:


I think it is actually the router being "helpful". My router serves
DHCP and allows me to set up permanent assignments of IP <=> MAC,
so the first time I connect a new device, I always do that, and the
IP doesn't change on me. I had a lot of weird wifi connection
problems till the latest router firmware update, now they are
very few and far between. (Though when I notice them, I still have
to fix things by rebooting the router).


That's a fair point - maybe if I configured my router similarly I would not 
notice the connections dropping.  I still would like to stop the frequency 
switching though.


My router has the ability to disable/enable the low/high frequency 
transceivers individually.  If yours has that capability you could 
consider that.

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Re: WiFi reconnecting periodically after upgrade to F35

[Scott Talbert]

> On Tue, 23 Nov 2021 02:36:12 -
> Scott Talbert wrote:
> 
> 
> I think it is actually the router being "helpful". My router serves
> DHCP and allows me to set up permanent assignments of IP <=> MAC,
> so the first time I connect a new device, I always do that, and the
> IP doesn't change on me. I had a lot of weird wifi connection
> problems till the latest router firmware update, now they are
> very few and far between. (Though when I notice them, I still have
> to fix things by rebooting the router).

That's a fair point - maybe if I configured my router similarly I would not 
notice the connections dropping.  I still would like to stop the frequency 
switching though.
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Re: WiFi reconnecting periodically after upgrade to F35

[Tom Horsley]

On Tue, 23 Nov 2021 02:36:12 -
Scott Talbert wrote:

> What decides to switch frequencies - is that wpa_supplicant?  NetworkManager?

I think it is actually the router being "helpful". My router serves
DHCP and allows me to set up permanent assignments of IP <=> MAC,
so the first time I connect a new device, I always do that, and the
IP doesn't change on me. I had a lot of weird wifi connection
problems till the latest router firmware update, now they are
very few and far between. (Though when I notice them, I still have
to fix things by rebooting the router).
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Re: WiFi reconnecting periodically after upgrade to F35

[Scott Talbert]

Roger, you hit the nail on the head.  After reviewing a bunch of old logs, it 
seems that I've been having intermittent connection drops for a while (i.e., 
while still on F34).  Previously, it seems it would just reconnect on 5 GHz - 
the change in F35 is that it now toggles between 5 and 2.5 and when it does, it 
changes my IP address, so I definitely notice.

What decides to switch frequencies - is that wpa_supplicant?  NetworkManager?

> It may be that prior it switched down to 2.4ghz it stayed there.  And
> that the change is every so often it tries to now go back to the
> higher bandwidth one.
> 
> I know that on a single router, the 2.4Ghz signal has significantly
> better range and is more reliable so any weakness in the 5ghz signal
> from obstructions would cause you to switch to the 2.4.
> 
> I used to have my wifi randomly drop on 5ghz and not even seem to
> reconnect at all to anything (so much I had a script that ping the gw
> and if not pingable or really slow restarted the connection but
> eventually I just disabled 5ghz to maintain stability), but after
> replacing the card with a newer intel AX200 wifi card it got much more
> stable and stays on the 5ghz band.
> 
> 5ghz is tricky especially apparently with the older wifi cards, and it
> also seems to be worse depending on how new of technology  the router
> has.
> 
> On Fri, Nov 19, 2021 at 8:36 AM Scott Talbert  wrote:
> >
> > > On 11/19/21 00:17, Ed Greshko wrote:
> > >
> > > Given those MAC addresses, that's a quite likely scenario.  The question
> > > is still why are things getting disconnected and those logs are not
> > > suitable for answering that question.  It looks like dmesg output,
> > > journalctl output would be much better.
> >
> > So yeah, my AP has both 2.5 GHz and 5 GHz radios, both with the same SSID.  
> > So it
> seems my Fedora laptop is toggling between the two bands.  74:83:c2:03:5e:61 
> is the 2.5
> GHz and 7a:83:c2:04:5e:61 is the 5 GHz.
> >
> > I'll provide the journalctl logs later.
> >
> > Thanks,
> > Scott
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Re: WiFi reconnecting periodically after upgrade to F35

[Roger Heflin]

It may be that prior it switched down to 2.4ghz it stayed there.  And
that the change is every so often it tries to now go back to the
higher bandwidth one.

I know that on a single router, the 2.4Ghz signal has significantly
better range and is more reliable so any weakness in the 5ghz signal
from obstructions would cause you to switch to the 2.4.

I used to have my wifi randomly drop on 5ghz and not even seem to
reconnect at all to anything (so much I had a script that ping the gw
and if not pingable or really slow restarted the connection but
eventually I just disabled 5ghz to maintain stability), but after
replacing the card with a newer intel AX200 wifi card it got much more
stable and stays on the 5ghz band.

5ghz is tricky especially apparently with the older wifi cards, and it
also seems to be worse depending on how new of technology  the router
has.

On Fri, Nov 19, 2021 at 8:36 AM Scott Talbert  wrote:
>
> > On 11/19/21 00:17, Ed Greshko wrote:
> >
> > Given those MAC addresses, that's a quite likely scenario.  The question
> > is still why are things getting disconnected and those logs are not
> > suitable for answering that question.  It looks like dmesg output,
> > journalctl output would be much better.
>
> So yeah, my AP has both 2.5 GHz and 5 GHz radios, both with the same SSID.  
> So it seems my Fedora laptop is toggling between the two bands.  
> 74:83:c2:03:5e:61 is the 2.5 GHz and 7a:83:c2:04:5e:61 is the 5 GHz.
>
> I'll provide the journalctl logs later.
>
> Thanks,
> Scott
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Re: WiFi reconnecting periodically after upgrade to F35

[Scott Talbert]

> On 11/19/21 00:17, Ed Greshko wrote:
> 
> Given those MAC addresses, that's a quite likely scenario.  The question 
> is still why are things getting disconnected and those logs are not 
> suitable for answering that question.  It looks like dmesg output, 
> journalctl output would be much better.

So yeah, my AP has both 2.5 GHz and 5 GHz radios, both with the same SSID.  So 
it seems my Fedora laptop is toggling between the two bands.  74:83:c2:03:5e:61 
is the 2.5 GHz and 7a:83:c2:04:5e:61 is the 5 GHz.

I'll provide the journalctl logs later.

Thanks,
Scott
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Re: WiFi reconnecting periodically after upgrade to F35

[Jonathan Billings]

On Nov 19, 2021, at 02:57, Samuel Sieb  wrote:
> 
> What that looks like is that you have two APs and it's switching between 
> them.  Is it getting different IP addresses from each one?

I know it sounds counterintuitive, but you might get better performance 
lowering the broadcast power of the physically more distant AP, so the closer 
one is chosen. 

Also, lower the number of wireless clients on the closer AP so there is less 
contention for a spot on the network. 

--
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Re: WiFi reconnecting periodically after upgrade to F35

[Samuel Sieb]

On 11/19/21 00:17, Ed Greshko wrote:

On 19/11/2021 15:56, Samuel Sieb wrote:

On 11/18/21 19:05, Scott Talbert wrote:
After upgrading my machine from F34 to F35, my WiFi interface has 
started periodically losing connection to my AP:


[359558.259581] wlp2s0: disconnect from AP 74:83:c2:03:5e:61 for new 
auth to 7a:83:c2:04:5e:61

[359558.295289] wlp2s0: authenticate with 7a:83:c2:04:5e:61


What that looks like is that you have two APs and it's switching 
between them.  Is it getting different IP addresses from each one?




Would you consider a wifi router with 2.4 and 5GHz bands with different 
SSIDs as 2 AP's?


If I configure my wifi router in that manner then the MAC addresses are 
different.  I normally have only one SSID and let the
clients decide which band to connect with.  The switch between bands is 
then seamless.


Given those MAC addresses, that's a quite likely scenario.  The question 
is still why are things getting disconnected and those logs are not 
suitable for answering that question.  It looks like dmesg output, 
journalctl output would be much better.

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Re: WiFi reconnecting periodically after upgrade to F35

[Ed Greshko]

On 19/11/2021 15:56, Samuel Sieb wrote:

On 11/18/21 19:05, Scott Talbert wrote:

After upgrading my machine from F34 to F35, my WiFi interface has started 
periodically losing connection to my AP:

[359558.259581] wlp2s0: disconnect from AP 74:83:c2:03:5e:61 for new auth to 
7a:83:c2:04:5e:61
[359558.295289] wlp2s0: authenticate with 7a:83:c2:04:5e:61
[359558.303728] wlp2s0: send auth to 7a:83:c2:04:5e:61 (try 1/3)
[359558.420976] wlp2s0: send auth to 7a:83:c2:04:5e:61 (try 2/3)
[359558.535361] wlp2s0: send auth to 7a:83:c2:04:5e:61 (try 3/3)
[359558.539560] wlp2s0: authenticated
[359558.541962] wlp2s0: associate with 7a:83:c2:04:5e:61 (try 1/3)
[359558.546749] wlp2s0: RX ReassocResp from 7a:83:c2:04:5e:61 (capab=0x1511 
status=0 aid=1)
[359558.548394] wlp2s0: associated
[362203.433026] wlp2s0: Connection to AP 7a:83:c2:04:5e:61 lost
[362205.926676] wlp2s0: authenticate with 74:83:c2:03:5e:61
[362205.933392] wlp2s0: send auth to 74:83:c2:03:5e:61 (try 1/3)
[362205.950198] wlp2s0: authenticated
[362205.951055] wlp2s0: associate with 74:83:c2:03:5e:61 (try 1/3)
[362205.961349] wlp2s0: RX AssocResp from 74:83:c2:03:5e:61 (capab=0x1431 
status=0 aid=3)
[362205.991817] wlp2s0: associated
[368538.289493] wlp2s0: disconnect from AP 74:83:c2:03:5e:61 for new auth to 
7a:83:c2:04:5e:61
[368538.332076] wlp2s0: authenticate with 7a:83:c2:04:5e:61
[368538.340738] wlp2s0: send auth to 7a:83:c2:04:5e:61 (try 1/3)
[368538.350927] wlp2s0: authenticated
[368538.353064] wlp2s0: associate with 7a:83:c2:04:5e:61 (try 1/3)
[368538.361613] wlp2s0: RX ReassocResp from 7a:83:c2:04:5e:61 (capab=0x1511 
status=0 aid=10)
[368538.362915] wlp2s0: associated


What that looks like is that you have two APs and it's switching between them.  
Is it getting different IP addresses from each one?



Would you consider a wifi router with 2.4 and 5GHz bands with different SSIDs 
as 2 AP's?

If I configure my wifi router in that manner then the MAC addresses are 
different.  I normally have only one SSID and let the
clients decide which band to connect with.  The switch between bands is then 
seamless.

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Re: WiFi reconnecting periodically after upgrade to F35

[Samuel Sieb]

On 11/18/21 19:05, Scott Talbert wrote:

After upgrading my machine from F34 to F35, my WiFi interface has started 
periodically losing connection to my AP:

[359558.259581] wlp2s0: disconnect from AP 74:83:c2:03:5e:61 for new auth to 
7a:83:c2:04:5e:61
[359558.295289] wlp2s0: authenticate with 7a:83:c2:04:5e:61
[359558.303728] wlp2s0: send auth to 7a:83:c2:04:5e:61 (try 1/3)
[359558.420976] wlp2s0: send auth to 7a:83:c2:04:5e:61 (try 2/3)
[359558.535361] wlp2s0: send auth to 7a:83:c2:04:5e:61 (try 3/3)
[359558.539560] wlp2s0: authenticated
[359558.541962] wlp2s0: associate with 7a:83:c2:04:5e:61 (try 1/3)
[359558.546749] wlp2s0: RX ReassocResp from 7a:83:c2:04:5e:61 (capab=0x1511 
status=0 aid=1)
[359558.548394] wlp2s0: associated
[362203.433026] wlp2s0: Connection to AP 7a:83:c2:04:5e:61 lost
[362205.926676] wlp2s0: authenticate with 74:83:c2:03:5e:61
[362205.933392] wlp2s0: send auth to 74:83:c2:03:5e:61 (try 1/3)
[362205.950198] wlp2s0: authenticated
[362205.951055] wlp2s0: associate with 74:83:c2:03:5e:61 (try 1/3)
[362205.961349] wlp2s0: RX AssocResp from 74:83:c2:03:5e:61 (capab=0x1431 
status=0 aid=3)
[362205.991817] wlp2s0: associated
[368538.289493] wlp2s0: disconnect from AP 74:83:c2:03:5e:61 for new auth to 
7a:83:c2:04:5e:61
[368538.332076] wlp2s0: authenticate with 7a:83:c2:04:5e:61
[368538.340738] wlp2s0: send auth to 7a:83:c2:04:5e:61 (try 1/3)
[368538.350927] wlp2s0: authenticated
[368538.353064] wlp2s0: associate with 7a:83:c2:04:5e:61 (try 1/3)
[368538.361613] wlp2s0: RX ReassocResp from 7a:83:c2:04:5e:61 (capab=0x1511 
status=0 aid=10)
[368538.362915] wlp2s0: associated


What that looks like is that you have two APs and it's switching between 
them.  Is it getting different IP addresses from each one?

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Re: wifi not found

[Samuel Sieb]

On 9/5/20 12:36 PM, Patrick Dupre wrote:

Can I also turn a wired or internet connection of the laptop to a hotspot?
which can be acceded from other computers?


Using the hotspot option, you can share your wired ethernet to other 
devices using your wifi card.

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Re: wifi not found

[Patrick Dupre]

Thank again,

The wifi connection is now fixed (I am using it).
It seems that I missed something, but what!

Can I also turn a wired or internet connection of the laptop to a hotspot?
which can be acceded from other computers?



> > 
> > Hello,
> > 
> > I have no Wi-fi adapter found.
> > 
> > It is an
> > Intel® Dual Band Wireless-AC 3165
> > 
> > This device used to run properly in the past.
> > The driver (I guess that the correct)
> > iwl7260-firmware-25.30.13.0-111.fc32.noarch
> > is installed
> 
> Assuming this is the same laptop as the webcam one, the hardware toggle for 
> the WiFi is Fn-F10 (looks like an airplane). 
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Re: wifi not found

[Patrick Dupre]

It fixed the issue.

I am not sure how. But it finally works.
Thanks to all of you who provided me help.



>
> > known wifi networks (which is populated)
>
> It has to have working wifi if it can see networks. Click
> on the one you want and it should try to connect.
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Re: wifi not found

[Jonathan Billings]

On Sep 5, 2020, at 12:09, Patrick Dupre  wrote:
> 
> Hello,
> 
> I have no Wi-fi adapter found.
> 
> It is an
> Intel® Dual Band Wireless-AC 3165
> 
> This device used to run properly in the past.
> The driver (I guess that the correct)
> iwl7260-firmware-25.30.13.0-111.fc32.noarch
> is installed

Assuming this is the same laptop as the webcam one, the hardware toggle for the 
WiFi is Fn-F10 (looks like an airplane). 
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Re: wifi not found

[Patrick Dupre]

> On Sat, 5 Sep 2020 20:15:15 +0200
> Patrick Dupre wrote:
>
> > known wifi networks (which is populated)
>
> It has to have working wifi if it can see networks. Click
> on the one you want and it should try to connect.
> ___

No all provide "forget" is red



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Re: wifi not found

[Tom Horsley]

On Sat, 5 Sep 2020 20:15:15 +0200
Patrick Dupre wrote:

> known wifi networks (which is populated)

It has to have working wifi if it can see networks. Click
on the one you want and it should try to connect.
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Re: wifi not found

[Patrick Dupre]

I tried to restart the service, but nothing new.

The setting says:

Wifi unavailable but

It offers the 1st and 3rd options of the following options)
connect to hidden network
turn on wifi hot spot
known wifi networks (which is populated)

>
> > How can restart the service?
>
> I guess "systemctl start systemd-networkd" but that doesn't
> explain why it isn't running. maybe you also need
> a "systemctl enable systemd-networkd"
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Re: wifi not found

[Tom Horsley]

On Sat, 5 Sep 2020 19:26:03 +0200
Patrick Dupre wrote:

> How can restart the service?

I guess "systemctl start systemd-networkd" but that doesn't
explain why it isn't running. maybe you also need
a "systemctl enable systemd-networkd"
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Re: wifi not found

[Patrick Dupre]

Yes it the gnome setting.

networkctl
WARNING: systemd-networkd is not running, output will be incomplete.

IDX LINKTYPE OPERATIONAL SETUP
  1 lo  loopback n/a unmanaged
  2 enp3s0  ethern/a unmanaged
  3 enp0s20f0u4 ethern/a unmanaged
  4 wlp2s0  wlan n/a unmanaged
  5 virbr0  bridge   n/a unmanaged
  6 virbr0-nic  ethern/a unmanaged


>
> On Sat, 5 Sep 2020 18:08:24 +0200
> Patrick Dupre wrote:
>
> > Any Idea?
>
> Is this the gnome control panel wifi page?
>
> If so, try turning wifi on, suddenly it will miraculously
I tried several times (the only opton that I see).
Airplane mode on/off
But it does not help.

How can restart the service?


> find the adapter. I don't know who designed the messages,
> but it is insanely confusing.
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Re: wifi not found

[Tom Horsley]

On Sat, 5 Sep 2020 18:08:24 +0200
Patrick Dupre wrote:

> Any Idea?

Is this the gnome control panel wifi page?

If so, try turning wifi on, suddenly it will miraculously
find the adapter. I don't know who designed the messages,
but it is insanely confusing.
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Re: Wifi and sound broken after kernel upgrade 5.3.16 -> 5.4.7

[Benjamin Lowry via users]

> Have a look at https://bugzilla.kernel.org/show_bug.cgi?id=205959
> and see if the solution there works for you.
This fixed it for me, thanks. -ben


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Re: Wifi and sound broken after kernel upgrade 5.3.16 -> 5.4.7

[Ed Greshko]

On 2020-01-11 07:51, Benjamin Lowry via users wrote:
> On Thu, 2020-01-09 at 11:16 +0800, Charles Wong wrote:
>> Same problem here. Now I'm using kernel 5.3.16, and it works like a
>> charm.
>> Waiting for new updates to resolve this problem.
> I just installed the update to kernel 5.4.8; my wifi works again now
> but ALSA still doesn't recognize my sound card. Getting this on boot:
>
> Jan 10 17:44:26 newton kernel: sof-audio-pci :00:1f.3: Direct firmware 
> load for intel/sof/sof-cml.ri failed with error -2
> Jan 10 17:44:26 newton kernel: sof-audio-pci :00:1f.3: error: request 
> firmware intel/sof/sof-cml.ri failed err: -2
> Jan 10 17:44:26 newton kernel: sof-audio-pci :00:1f.3: error: failed to 
> load DSP firmware -2
> Jan 10 17:44:26 newton kernel: sof-audio-pci :00:1f.3: error: 
> sof_probe_work failed err: -2

Have a look at https://bugzilla.kernel.org/show_bug.cgi?id=205959
and see if the solution there works for you.


-- 
The key to getting good answers is to ask good questions.
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Re: Wifi and sound broken after kernel upgrade 5.3.16 -> 5.4.7

[Benjamin Lowry via users]

On Thu, 2020-01-09 at 11:16 +0800, Charles Wong wrote:
> Same problem here. Now I'm using kernel 5.3.16, and it works like a
> charm.
> Waiting for new updates to resolve this problem.
I just installed the update to kernel 5.4.8; my wifi works again now
but ALSA still doesn't recognize my sound card. Getting this on boot:

Jan 10 17:44:26 newton kernel: sof-audio-pci :00:1f.3: Direct firmware load 
for intel/sof/sof-cml.ri failed with error -2
Jan 10 17:44:26 newton kernel: sof-audio-pci :00:1f.3: error: request 
firmware intel/sof/sof-cml.ri failed err: -2
Jan 10 17:44:26 newton kernel: sof-audio-pci :00:1f.3: error: failed to 
load DSP firmware -2
Jan 10 17:44:26 newton kernel: sof-audio-pci :00:1f.3: error: 
sof_probe_work failed err: -2


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Re: Wifi and sound broken after kernel upgrade 5.3.16 -> 5.4.7

[Ed Greshko]

On 2020-01-09 07:01, Benjamin Lowry via users wrote:
> Hey everyone, I'm on Fedora 31 and recently upgraded my kernel from
> 5.3.16 to 5.4.7, and now my sound (via snd_hda_intel) and wifi doesn't
> work; the wifi options in GNOME are missing, and my only sound device
> is the default PulseAudio "Dummy Output". Everything works fine if I
> manually select the old kernel in GRUB. Is this a known issue, and
> should I file a bug about this?

The issue with the wifi should be fixed in kernel 5.4.8-200.fc31.

https://bugzilla.redhat.com/show_bug.cgi?id=1788150
https://bugzilla.kernel.org/show_bug.cgi?id=205719

>
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: Collecting data: trigger 
> 15 fired.
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: Start IWL Error Log Dump:
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: Status: 0x, 
> count: 1540278722
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: Loaded firmware version: 
> 48.4fa0041f.0
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0xEDF689F1 | 
> ADVANCED_SYSASSERT
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x64CB54DD | 
> trm_hw_status0
>


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Re: Wifi and sound broken after kernel upgrade 5.3.16 -> 5.4.7

[Charles Wong]

Same problem here. Now I'm using kernel 5.3.16, and it works like a charm.
Waiting for new updates to resolve this problem.

On Thu, Jan 9, 2020 at 8:01 AM Mark C. Allman  wrote:

> On 1/8/20 6:01 PM, Benjamin Lowry via users wrote:
>
> Hey everyone, I'm on Fedora 31 and recently upgraded my kernel from
> 5.3.16 to 5.4.7, and now my sound (via snd_hda_intel) and wifi doesn't
> work; the wifi options in GNOME are missing, and my only sound device
> is the default PulseAudio "Dummy Output". Everything works fine if I
> manually select the old kernel in GRUB. Is this a known issue, and
> should I file a bug about this?
>
> # dmidecode -s system-version
> ThinkPad X1 Carbon 7th
>
> Here's the relevant log sections:
> Jan 08 16:42:46 newton kernel: sof-audio-pci :00:1f.3: DSP detected with 
> PCI class/subclass/prog-if info 0x040380
> Jan 08 16:42:46 newton kernel: sof-audio-pci :00:1f.3: Digital mics found 
> on Skylake+ platform, using SOF driver
> Jan 08 16:42:46 newton kernel: sof-audio-pci :00:1f.3: warning: No 
> matching ASoC machine driver found
> Jan 08 16:42:46 newton kernel: sof-audio-pci :00:1f.3: DSP detected with 
> PCI class/subclass/prog-if 0x040380
> Jan 08 16:42:46 newton kernel: sof-audio-pci :00:1f.3: use msi interrupt 
> mode
> Jan 08 16:42:46 newton kernel: sof-audio-pci :00:1f.3: bound :00:02.0 
> (ops i915_audio_component_bind_ops [i915])
> Jan 08 16:42:46 newton kernel: sof-audio-pci :00:1f.3: hda codecs found, 
> mask 5
> Jan 08 16:42:46 newton kernel: sof-audio-pci :00:1f.3: using HDA machine 
> driver skl_hda_dsp_generic now
> Jan 08 16:42:46 newton kernel: sof-audio-pci :00:1f.3: Direct firmware 
> load for intel/sof/sof-cml.ri failed with error -2
> Jan 08 16:42:46 newton kernel: sof-audio-pci :00:1f.3: error: request 
> firmware intel/sof/sof-cml.ri failed err: -2
> Jan 08 16:42:46 newton kernel: sof-audio-pci :00:1f.3: error: failed to 
> load DSP firmware -2
> Jan 08 16:42:46 newton kernel: sof-audio-pci :00:1f.3: error: 
> sof_probe_work failed err: -2
>
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: Collecting data: trigger 
> 15 fired.
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: Start IWL Error Log Dump:
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: Status: 0x, 
> count: 1540278722
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: Loaded firmware version: 
> 48.4fa0041f.0
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0xEDF689F1 | 
> ADVANCED_SYSASSERT
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x64CB54DD | 
> trm_hw_status0
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0xF8687609 | 
> trm_hw_status1
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x308D2DCD | branchlink2
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x6ADDA111 | 
> interruptlink1
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x1543DD43 | 
> interruptlink2
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x64802E76 | data1
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x1DD12EFE | data2
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x7716D38D | data3
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0xDBC00F86 | beacon time
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0xADE83137 | tsf low
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x33E55AED | tsf hi
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x8AC5F930 | time gp1
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x71C94C4C | time gp2
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0xFEDB56F5 | uCode 
> revision type
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0xB1AC2681 | uCode 
> version major
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0xAF3B9842 | uCode 
> version minor
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0xFDAE5B60 | hw version
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x871997F8 | board 
> version
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x4B1BD676 | hcmd
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x0E6EC2AE | isr0
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x88516878 | isr1
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x1995D970 | isr2
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0xE6F00ADB | isr3
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0xEADDC224 | isr4
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x6C9914F9 | last cmd Id
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x9A278D81 | wait_event
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x351FD4F6 | l2p_control
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x46D8FCD1 | l2p_duration
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x5DEA2927 | l2p_mhvalid
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x7DC7B996 | 
> l2p_addr_match
> Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0xD0C0BC2F | 

Re: Wifi and sound broken after kernel upgrade 5.3.16 -> 5.4.7

[Mark C. Allman]

On 1/8/20 6:01 PM, Benjamin Lowry via users wrote:

Hey everyone, I'm on Fedora 31 and recently upgraded my kernel from
5.3.16 to 5.4.7, and now my sound (via snd_hda_intel) and wifi doesn't
work; the wifi options in GNOME are missing, and my only sound device
is the default PulseAudio "Dummy Output". Everything works fine if I
manually select the old kernel in GRUB. Is this a known issue, and
should I file a bug about this?

# dmidecode -s system-version
ThinkPad X1 Carbon 7th

Here's the relevant log sections:
Jan 08 16:42:46 newton kernel: sof-audio-pci :00:1f.3: DSP detected with 
PCI class/subclass/prog-if info 0x040380
Jan 08 16:42:46 newton kernel: sof-audio-pci :00:1f.3: Digital mics found 
on Skylake+ platform, using SOF driver
Jan 08 16:42:46 newton kernel: sof-audio-pci :00:1f.3: warning: No matching 
ASoC machine driver found
Jan 08 16:42:46 newton kernel: sof-audio-pci :00:1f.3: DSP detected with 
PCI class/subclass/prog-if 0x040380
Jan 08 16:42:46 newton kernel: sof-audio-pci :00:1f.3: use msi interrupt 
mode
Jan 08 16:42:46 newton kernel: sof-audio-pci :00:1f.3: bound :00:02.0 
(ops i915_audio_component_bind_ops [i915])
Jan 08 16:42:46 newton kernel: sof-audio-pci :00:1f.3: hda codecs found, 
mask 5
Jan 08 16:42:46 newton kernel: sof-audio-pci :00:1f.3: using HDA machine 
driver skl_hda_dsp_generic now
Jan 08 16:42:46 newton kernel: sof-audio-pci :00:1f.3: Direct firmware load 
for intel/sof/sof-cml.ri failed with error -2
Jan 08 16:42:46 newton kernel: sof-audio-pci :00:1f.3: error: request 
firmware intel/sof/sof-cml.ri failed err: -2
Jan 08 16:42:46 newton kernel: sof-audio-pci :00:1f.3: error: failed to 
load DSP firmware -2
Jan 08 16:42:46 newton kernel: sof-audio-pci :00:1f.3: error: 
sof_probe_work failed err: -2

Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: Collecting data: trigger 
15 fired.
Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: Start IWL Error Log Dump:
Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: Status: 0x, count: 
1540278722
Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: Loaded firmware version: 
48.4fa0041f.0
Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0xEDF689F1 | 
ADVANCED_SYSASSERT
Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x64CB54DD | trm_hw_status0
Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0xF8687609 | trm_hw_status1
Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x308D2DCD | branchlink2
Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x6ADDA111 | interruptlink1
Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x1543DD43 | interruptlink2
Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x64802E76 | data1
Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x1DD12EFE | data2
Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x7716D38D | data3
Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0xDBC00F86 | beacon time
Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0xADE83137 | tsf low
Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x33E55AED | tsf hi
Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x8AC5F930 | time gp1
Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x71C94C4C | time gp2
Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0xFEDB56F5 | uCode 
revision type
Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0xB1AC2681 | uCode version 
major
Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0xAF3B9842 | uCode version 
minor
Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0xFDAE5B60 | hw version
Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x871997F8 | board version
Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x4B1BD676 | hcmd
Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x0E6EC2AE | isr0
Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x88516878 | isr1
Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x1995D970 | isr2
Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0xE6F00ADB | isr3
Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0xEADDC224 | isr4
Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x6C9914F9 | last cmd Id
Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x9A278D81 | wait_event
Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x351FD4F6 | l2p_control
Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x46D8FCD1 | l2p_duration
Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x5DEA2927 | l2p_mhvalid
Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x7DC7B996 | l2p_addr_match
Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0xD0C0BC2F | lmpm_pmg_sel
Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0x8B9718C9 | timestamp
Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: 0xBF827979 | flow_handler
Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: Start IWL Error Log Dump:
Jan 08 16:42:47 newton kernel: iwlwifi :00:14.3: Status: 0x, count: 
7
Jan 08 16:42:47 newton kernel: 

Re: WiFi now disabled by radio killswitch

[Ed Greshko]

On 10/29/19 8:44 AM, Paolo Galtieri wrote:

Toggling the disable wifi button on the laptop keyboard did fix the problem.  
Now if I close the lid and lift it the wireless is still enabled.  I still 
don't understand why the wifi is killed while using it.


If the switch is engaged, even if you're using the wifi, it will get disabled.  
Kinda like pulling the power
plug.  Sensitive switches will sometime do that.

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Re: WiFi now disabled by radio killswitch

[Paolo Galtieri]

Toggling the disable wifi button on the laptop keyboard did fix the 
problem.  Now if I close the lid and lift it the wireless is still 
enabled.  I still don't understand why the wifi is killed while using it.


Thanks for the help.

Paolo

On 10/28/19 4:48 PM, Ed Greshko wrote:

On 10/29/19 7:31 AM, Paolo Galtieri wrote:

I ran

rfkill list:

0: dell-rbtn: Wireless LAN
Soft blocked: no
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: yes

I then tried running

sudo rfkill unblock wlan

and then

rfkill list:

0: dell-rbtn: Wireless LAN
Soft blocked: no
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: yes

It still shows that it's hard blocked.




Pretty sure "hard" means blocked in the hardware.  A few years ago a 
friend of mine had what I
recall was the same sort of issue.  He fixed it by toggling the switch 
on the laptop repeatedly.

Apparently it was a "sticky" problem.



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Re: WiFi now disabled by radio killswitch

[Ed Greshko]

On 10/29/19 7:31 AM, Paolo Galtieri wrote:

I ran

rfkill list:

0: dell-rbtn: Wireless LAN
Soft blocked: no
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: yes

I then tried running

sudo rfkill unblock wlan

and then

rfkill list:

0: dell-rbtn: Wireless LAN
Soft blocked: no
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: yes

It still shows that it's hard blocked.




Pretty sure "hard" means blocked in the hardware.  A few years ago a friend of 
mine had what I
recall was the same sort of issue.  He fixed it by toggling the switch on the 
laptop repeatedly.
Apparently it was a "sticky" problem.


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Re: WiFi now disabled by radio killswitch

[Sam Varshavchik]

Paolo Galtieri writes:


I ran

rfkill list:

0: dell-rbtn: Wireless LAN
Soft blocked: no
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: yes

I then tried running

sudo rfkill unblock wlan

and then

rfkill list:

0: dell-rbtn: Wireless LAN
Soft blocked: no
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: yes

It still shows that it's hard blocked.


"Hard blocked" suggests there's a hardware switch on the laptop that's  
flipped to kill the Wifi.


It's weird how you claim the Wifi works after a reboot, but shuts off after  
a suspend/resume cycle.


This may not be a physical switch, but many laptops have a FN key  
combination that disables WiFi, sort of like a hybrid soft/hard lock. Just a  
wild guess, but the laptop might "forget" after it reboots that this key  
combination was pressed, but the bit still stays stuck somewhere, and the  
suspend/restore cycle makes the laptop's hardware suddenly realize (oh, my  
Wifi should be off).




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Re: WiFi now disabled by radio killswitch

[Paolo Galtieri]

I ran

rfkill list:

0: dell-rbtn: Wireless LAN
Soft blocked: no
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: yes

I then tried running

sudo rfkill unblock wlan

and then

rfkill list:

0: dell-rbtn: Wireless LAN
Soft blocked: no
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: yes

It still shows that it's hard blocked.


Paolo

On 10/28/19 9:16 AM, Tom Horsley wrote:

On Mon, 28 Oct 2019 09:04:28 -0700
Paolo Galtieri wrote:


Any idea what I can do to get around this issue?

Don't know what it causing it, but you should be
able to run "rfkill" to turn it back on rather than
having to reboot.
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Re: WiFi now disabled by radio killswitch

[Tom Horsley]

On Mon, 28 Oct 2019 09:04:28 -0700
Paolo Galtieri wrote:

> Any idea what I can do to get around this issue?

Don't know what it causing it, but you should be
able to run "rfkill" to turn it back on rather than
having to reboot.
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Re: Wifi systens -

[Tim via users]

On Fri, 2019-10-18 at 14:55 -0400, Bob Goodwin wrote:
> I notice they also have three transmit power settings, I have not
> tried changing anything there. I make the assumption that the iPhone
> receiver sensitivity with its poor antenna is the limiting factor on
> range. Increasing power will probably just stress components with
> more heat dissipated.

I wouldn't think that the low power levels that WiFi uses were
sufficient for them to be a heating problem.  Naturally how quickly the
battery gets flattened increases, but it shouldn't be a huge
difference.  Especially when you consider that your devices will be
mostly receiving, rather than prolonged transmissions (unless you were
broadcasting video).
 
-- 
 
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Linux 3.10.0-1062.1.2.el7.x86_64 #1 SMP Mon Sep 30 14:19:46 UTC 2019 x86_64
 
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Re: Wifi systens -

[Tony Nelson]

On 19-10-18 15:08:28, Samuel Sieb wrote:

On 10/18/19 11:55 AM, Bob Goodwin wrote:

On 10/18/19 14:21, Samuel Sieb wrote:


Oh, that's a new feature.  I haven't used the stock firmware for a  
very long time.

.
I was ready to install dd-wrt but found there was nothing compatible  
yet, thought I would order another ASUS and then got the response  
from TP-Link, moved the connection and to my surprise it appeared to  
work, son-in-law said it was good on his iPad too. They mention  
upgraded software for some older models ...  I think they also sell  
an AP?


openwrt has support for that router assuming the one you have is the  
C7 AC1750:

https://openwrt.org/toh/tp-link/archer-c7-1750

I notice they also have three transmit power settings, I have not  
tried changing anything there. I make the assumption that the iPhone  
receiver sensitivity with its poor antenna is the limiting factor on  
range. Increasing power will probably just stress components with  
more heat dissipated.


I don't think the power settings you can adjust will cause any  
hardware issues.  If you're not going to interfere with anyone else,  
then you might as well have it at full power.


Actually, if you have several APs, you may want to set the power low,
so devices switch to a nearer AP sooner.  The device may well use more
power if the AP it is connected to is transmitting more power, and it
also may still not be able to talk to a distant AP that it can receive
from.  So, if more power turns out to be worse, try less.

--

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  '  
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Re: Wifi systens -

[Samuel Sieb]

On 10/18/19 11:55 AM, Bob Goodwin wrote:

On 10/18/19 14:21, Samuel Sieb wrote:


Oh, that's a new feature.  I haven't used the stock firmware for a 
very long time.

.
I was ready to install dd-wrt but found there was nothing compatible 
yet, thought I would order another ASUS and then got the response from 
TP-Link, moved the connection and to my surprise it appeared to work, 
son-in-law said it was good on his iPad too. They mention upgraded 
software for some older models ...  I think they also sell an AP?


openwrt has support for that router assuming the one you have is the C7 
AC1750:

https://openwrt.org/toh/tp-link/archer-c7-1750

I notice they also have three transmit power settings, I have not tried 
changing anything there. I make the assumption that the iPhone receiver 
sensitivity with its poor antenna is the limiting factor on range. 
Increasing power will probably just stress components with more heat 
dissipated.


I don't think the power settings you can adjust will cause any hardware 
issues.  If you're not going to interfere with anyone else, then you 
might as well have it at full power.

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Re: Wifi systens -

[Bob Goodwin]

On 10/18/19 14:21, Samuel Sieb wrote:


Oh, that's a new feature.  I haven't used the stock firmware for a 
very long time.

.
I was ready to install dd-wrt but found there was nothing compatible 
yet, thought I would order another ASUS and then got the response from 
TP-Link, moved the connection and to my surprise it appeared to work, 
son-in-law said it was good on his iPad too. They mention upgraded 
software for some older models ...  I think they also sell an AP?


I notice they also have three transmit power settings, I have not tried 
changing anything there. I make the assumption that the iPhone receiver 
sensitivity with its poor antenna is the limiting factor on range. 
Increasing power will probably just stress components with more heat 
dissipated.



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Re: Wifi systens -

[Samuel Sieb]

On 10/18/19 10:11 AM, Bob Goodwin wrote:
The browser configuration page offers two operating modes, I selected 
Access point and it appears that turns off the dhcp server and I am 
assuming makes the WAN input into a LAN input since that s what the 
support guy said to use and it immediately began to work. I could 


Oh, that's a new feature.  I haven't used the stock firmware for a very 
long time.

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Re: Wifi systens -

[Bob Goodwin]

On 10/18/19 12:52, Samuel Sieb wrote:


Unless the router has an actual AP mode that uses the WAN port, that 
is not likely to be what you want.  Assuming you want seamless 
roaming, unless there is special support in the router, you want to 
plug your network into the LAN port, not the WAN port.  Just make sure 
you have DHCP disabled on the AP. 

.

The browser configuration page offers two operating modes, I selected 
Access point and it appears that turns off the dhcp server and I am 
assuming makes the WAN input into a LAN input since that s what the 
support guy said to use and it immediately began to work. I could 
connect my test iPad to it from up here. As I said I will know more when 
my daughter returns, which should be soon, and I will get her feedback.


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Re: Wifi systens -

[Bob Goodwin]

On 10/18/19 12:40, Tim via users wrote:

On Fri, 2019-10-18 at 11:20 -0400, Bob Goodwin wrote:

I guess that is logical, the LAN input signal is replacing the WAN
signal from a modem.

With access points, they:

*Can* act as a router, where they're the gateway between two subnets
(WAN on the outside, their own LAN on the inside).

*Can* act as a switch, with everything on the same subnet (one big LAN
altogether).

Some can work both ways (even simultaneously), some cannot.

When they act as a gateway, that can surprise you.  You might want to
work between two PCs on either side of it, and find things are blocked
by its firewall, or that NAT has made things difficult).  It's not
impossible to do, but when it doesn't work as you expected that's
something to consider.
  

.
Well, I  think I will just hope that this stops the complaints from the 
iPhone  users and deal with any odd problems as the become apparent. I 
really thought this would just work, instead Murphy's law proved true 
once more. I will keep your comments in mind ...


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Re: Wifi systens -

[Samuel Sieb]

On 10/18/19 8:20 AM, Bob Goodwin wrote:
Yes, TP-Link Support seems to be good as claimed. I am not yet done 
testing things but it looks like the Access Point and Ethernet circuit 
may be working as expected, it will take a few  days to know but this 
morning it looks good? It appears the main problem was that the AP wants 
the LAN input signal fed into the WAN port on the A7 AC1759 router and I 
plugged it into one of the four remaining ethernet jacks. Tech support 
responded to my request for AP configuration instructions which I could 
not find, with some easy to understand steps, the key being: "3rd: Once 
it's Done Please connect the cable again from Main Router to Archer A7 
using ( WAN PORT or Blue Port )".


Unless the router has an actual AP mode that uses the WAN port, that is 
not likely to be what you want.  Assuming you want seamless roaming, 
unless there is special support in the router, you want to plug your 
network into the LAN port, not the WAN port.  Just make sure you have 
DHCP disabled on the AP.

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Re: Wifi systens -

[Tim via users]

On Fri, 2019-10-18 at 11:20 -0400, Bob Goodwin wrote:
> I guess that is logical, the LAN input signal is replacing the WAN
> signal from a modem.

With access points, they:

*Can* act as a router, where they're the gateway between two subnets
(WAN on the outside, their own LAN on the inside).

*Can* act as a switch, with everything on the same subnet (one big LAN
altogether).

Some can work both ways (even simultaneously), some cannot.

When they act as a gateway, that can surprise you.  You might want to
work between two PCs on either side of it, and find things are blocked
by its firewall, or that NAT has made things difficult).  It's not
impossible to do, but when it doesn't work as you expected that's
something to consider.
 
-- 
 
uname -rsvp
Linux 3.10.0-1062.1.2.el7.x86_64 #1 SMP Mon Sep 30 14:19:46 UTC 2019 x86_64
 
Boilerplate:  All unexpected mail to my mailbox is automatically deleted.
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Re: Wifi systens -

[Bob Goodwin]

On 10/16/19 06:30, Bob Goodwin wrote:

On 10/15/19 19:48, George N. White III wrote:


You can test the claim: "Industry leading support: 2-year and free 
24/7 technical

support. Contact ussupport@tp-link if you have any questions".

.
Yes, that sounds encouraging. Also I was pleased to see essential 
information printed on the router label and its' wall wart, there is 
hope ...


I think homeplug is designed to recover after power outages. HPAV
added support for streaming (AV), look for hpav-white-paper_050818.pdf.
Can you try running the devices in legacy (HP 1.0) mode?

--
George N. White III 

.
Yes, TP-Link Support seems to be good as claimed. I am not yet done 
testing things but it looks like the Access Point and Ethernet circuit 
may be working as expected, it will take a few  days to know but this 
morning it looks good? It appears the main problem was that the AP wants 
the LAN input signal fed into the WAN port on the A7 AC1759 router and I 
plugged it into one of the four remaining ethernet jacks. Tech support 
responded to my request for AP configuration instructions which I could 
not find, with some easy to understand steps, the key being: "3rd: Once 
it's Done Please connect the cable again from Main Router to Archer A7 
using ( WAN PORT or Blue Port )".


And I guess that is logical, the LAN input signal is replacing the WAN 
signal from a modem. I guess what operation I did have, which was not 
working reliably, depended on a received radio signal, that in the weak 
signal area I am trying to improve with this exercise! The iPhone/iPad, 
whatever users are all out of the house presently so I will not have a 
good test until later.


I've already lost user confidence in my ability to do a simple task so I 
hope I can pull out of this with a working system,


Bob



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Re: Wifi systens -

[Tim via users]

On Tue, 2019-10-15 at 20:48 -0300, George N. White III wrote:
> I think homeplug is designed to recover after power outages.

You'd hope so.  As far as I'm concerned, any home appliance that needs
a UPS is badly engineered.

Devices should have enough internal power supply filtering that the
reguluarly occuring mains glitches are filtered out (and there are a
lot of them), though a lot of equipment doesn't, and they're a frequent
cause of lock-ups in digital devices.  Equipment that's designed to run
from 90 to 250 volts shouldn't fail during brownouts within their
alleged operational range.  And the design should have one-shot timers
to do an automatic system reset for the bigger mains glitches that
can't be filtered out. 
 
-- 
 
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Linux 3.10.0-1062.1.2.el7.x86_64 #1 SMP Mon Sep 30 14:19:46 UTC 2019 x86_64
 
Boilerplate:  All unexpected mail to my mailbox is automatically deleted.
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Re: Wifi systens -

[Bob Goodwin]

On 10/15/19 19:48, George N. White III wrote:


You can test the claim: "Industry leading support: 2-year and free 
24/7 technical

support. Contact ussupport@tp-link if you have any questions".

.
Yes, that sounds encouraging. Also I was pleased to see essential 
information printed on the router label and its' wall wart, there is 
hope ...


I think homeplug is designed to recover after power outages.  HPAV
added support for streaming (AV), look for hpav-white-paper_050818.pdf.
Can you try running the devices in legacy (HP 1.0) mode?

--
George N. White III


.
Google led to the PDF but apparently I am not worthy of receiving a 
copy? The pages acted dead ...


The Ethernet link appears to be working this morning, I can access the 
AP from this computer, I paired them about ten hours ago up here and put 
it back downstairs to restore operation, looked good on iPhone app I 
checked with that claims to show speed in three digit numbers, 690 
something?  I have an appointment early today, further testing will nave 
to wait 'til later,


--

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Re: Wifi systens -

[Bob Goodwin]

On 10/15/19 18:51, Samuel Sieb wrote:

On 10/15/19 1:00 PM, Bob Goodwin wrote:
and that turns out to be the weak link. We live in a rural area and 
our power is reliable but I do get occasional monetary drops the make 
the UPS
s beep and apparently that is causing the Ethernet adapters to become 
unpaired. This morning I reset them and paired them hear at my 
computer where it is convent to do. put the second one downstairs 
where the A/P is and everything was restored. We cut the power at the 
circuit breaker while doing some electrical work and when we switched 
it back on the system was unpaired again. That explains the 
intermittent problem we are having with the internet connection, most 
likely due to minor glitches in power I suspect.


That is strange.  I have TP-Link ethernet over power adapters (can't 
check the model right now) and they don't have that problem.  I can 
unplug them and move them around and they always pair up again as soon 
as they're plugged in.

___


.
Yes I was surprises too. I have paired them plugged into the same outlet 
strip, one I have for convenience in testing things, then carry it 
downstairs and it works \, after rebooting the AP. I rebooted the last 
time I did it anyway, maybe it would have worked given more time.


I suspected a UPS might cause problems but was nit certain, there may be 
line noise  produced when it switches, if that's the sort of thing that 
is causing my problem.


These look like large white wall warts with three status lamps on the 
right side and a reset/pair button there also, attractive design I 
suppose, suspect they are common model. I need to try their tech 
support, always a last resort from my experience but maybe they are 
better than some of the others I've tried ...




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Re: Wifi systens -

[George N. White III]

On Tue, 15 Oct 2019 at 17:01, Bob Goodwin  wrote:

> On 10/05/19 13:56, Samuel Sieb wrote:
> >> I see a TP-Link AC1750 Smart WiFi Router - Dual Band Gigabit Wireless
> >> router available at an attractive price. Information is a bit vague.
> >> Have you tried that model? I have been looking for assurance that it
> >> could be used as an Access point as it comes. I can probably install
> >> dd wrt or perhaps Tomato which has some features I find useful. I
> >> always seem to get lost looking for openwrt compatibility?
> >
> > That's one of the models I'm still using with openwrt.
> .
> I'm still working on this. I bought the AC1780 router and set it up in
> AP Mode with the TP-Link software that it came with and that seems to
> work. I also bought the TP-Link Ethernet adapters "TP-Link Powerline
> Adapter AV2000 Mbps - Gigabit Port, Ethernet Over Power, Plug,
> Power Saving, MU-MIMO, Noise Filtering(TL-PA9020P KIT)"
> <
> https://www.amazon.com/gp/product/B01H74VKZU/ref=ppx_od_dt_b_asin_title_s00?ie=UTF8=1
> >
> and that turns out to be the weak link. We live in a rural area and our
> power is reliable but I do get occasional monetary drops the make the UPS
> s beep and apparently that is causing the Ethernet adapters to become
> unpaired. This morning I reset them and paired them hear at my computer
> where it is convent to do. put the second one downstairs where the A/P
> is and everything was restored. We cut the power at the circuit breaker
> while doing some electrical work and when we switched it back on the
> system was unpaired again. That explains the intermittent problem we are
> having with the internet connection, most likely due to minor glitches
> in power I suspect.
>

You can test the claim: "Industry leading support: 2-year and free 24/7
technical
support. Contact ussupport@tp-link if you have any questions".


>
> This making the system too unreliable to use and I am considering
> returning the Ethernet Adapters to Amazon if there is no other
> explanation, some thing I can fix that is.
>
> has anyone else had experience with this, am  alone? I would like some
> comments,
>

I think homeplug is designed to recover after power outages.  HPAV
added support for streaming (AV), look for hpav-white-paper_050818.pdf.
Can you try running the devices in legacy (HP 1.0) mode?

-- 
George N. White III
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Re: Wifi systens -

[Samuel Sieb]

On 10/15/19 1:12 PM, Jack Craig wrote:

maybe a UPS  system might fix the problem?


Unless you're referring to a whole-house UPS system, that won't work. 
These devices definitely won't work through a UPS.

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Re: Wifi systens -

[Samuel Sieb]

On 10/15/19 1:00 PM, Bob Goodwin wrote:
and that turns out to be the weak link. We live in a rural area and our 
power is reliable but I do get occasional monetary drops the make the UPS
s beep and apparently that is causing the Ethernet adapters to become 
unpaired. This morning I reset them and paired them hear at my computer 
where it is convent to do. put the second one downstairs where the A/P 
is and everything was restored. We cut the power at the circuit breaker 
while doing some electrical work and when we switched it back on the 
system was unpaired again. That explains the intermittent problem we are 
having with the internet connection, most likely due to minor glitches 
in power I suspect.


That is strange.  I have TP-Link ethernet over power adapters (can't 
check the model right now) and they don't have that problem.  I can 
unplug them and move them around and they always pair up again as soon 
as they're plugged in.

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Re: Wifi systens -

[Bob Goodwin]

On 10/15/19 16:12, Jack Craig wrote:

maybe a UPS  system might fix the problem?

.
Well if it does it would seriously reduce the utility of those adapters, 
I hope not. I already use three UPS's, it might mean another here and a 
fourth one downstairs where we are still trying to find an acceptable 
location for what I am trying to use now.


--

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Re: Wifi systens -

[Jack Craig]

maybe a UPS  system might fix the problem?

On Tue, Oct 15, 2019 at 1:01 PM Bob Goodwin  wrote:

> On 10/05/19 13:56, Samuel Sieb wrote:
> >> I see a TP-Link AC1750 Smart WiFi Router - Dual Band Gigabit Wireless
> >> router available at an attractive price. Information is a bit vague.
> >> Have you tried that model? I have been looking for assurance that it
> >> could be used as an Access point as it comes. I can probably install
> >> dd wrt or perhaps Tomato which has some features I find useful. I
> >> always seem to get lost looking for openwrt compatibility?
> >
> > That's one of the models I'm still using with openwrt.
> .
> I'm still working on this. I bought the AC1780 router and set it up in
> AP Mode with the TP-Link software that it came with and that seems to
> work. I also bought the TP-Link Ethernet adapters "TP-Link Powerline
> Adapter AV2000 Mbps - Gigabit Port, Ethernet Over Power, Plug,
> Power Saving, MU-MIMO, Noise Filtering(TL-PA9020P KIT)"
> <
> https://www.amazon.com/gp/product/B01H74VKZU/ref=ppx_od_dt_b_asin_title_s00?ie=UTF8=1
> >
> and that turns out to be the weak link. We live in a rural area and our
> power is reliable but I do get occasional monetary drops the make the UPS
> s beep and apparently that is causing the Ethernet adapters to become
> unpaired. This morning I reset them and paired them hear at my computer
> where it is convent to do. put the second one downstairs where the A/P
> is and everything was restored. We cut the power at the circuit breaker
> while doing some electrical work and when we switched it back on the
> system was unpaired again. That explains the intermittent problem we are
> having with the internet connection, most likely due to minor glitches
> in power I suspect.
>
> This making the system too unreliable to use and I am considering
> returning the Ethernet Adapters to Amazon if there is no other
> explanation, some thing I can fix that is.
>
> has anyone else had experience with this, am  alone? I would like some
> comments,
>
> Thanks,  Bob
>
> --
>
> Bob Goodwin - Zuni, Virginia, USA
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Re: Wifi systens -

[Bob Goodwin]

On 10/05/19 13:56, Samuel Sieb wrote:
I see a TP-Link AC1750 Smart WiFi Router - Dual Band Gigabit Wireless 
router available at an attractive price. Information is a bit vague. 
Have you tried that model? I have been looking for assurance that it 
could be used as an Access point as it comes. I can probably install 
dd wrt or perhaps Tomato which has some features I find useful. I 
always seem to get lost looking for openwrt compatibility?


That's one of the models I'm still using with openwrt.

.
I'm still working on this. I bought the AC1780 router and set it up in 
AP Mode with the TP-Link software that it came with and that seems to 
work. I also bought the TP-Link Ethernet adapters "TP-Link Powerline 
Adapter AV2000 Mbps - Gigabit Port, Ethernet Over Power, Plug, 
Power Saving, MU-MIMO, Noise Filtering(TL-PA9020P KIT)" 

and that turns out to be the weak link. We live in a rural area and our 
power is reliable but I do get occasional monetary drops the make the UPS
s beep and apparently that is causing the Ethernet adapters to become 
unpaired. This morning I reset them and paired them hear at my computer 
where it is convent to do. put the second one downstairs where the A/P 
is and everything was restored. We cut the power at the circuit breaker 
while doing some electrical work and when we switched it back on the 
system was unpaired again. That explains the intermittent problem we are 
having with the internet connection, most likely due to minor glitches 
in power I suspect.


This making the system too unreliable to use and I am considering 
returning the Ethernet Adapters to Amazon if there is no other 
explanation, some thing I can fix that is.


has anyone else had experience with this, am  alone? I would like some 
comments,


Thanks,  Bob

--

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Re: Wifi systens -

[Joe Zeff]

On 10/05/2019 12:48 PM, Bob Goodwin wrote:
I ordered one and should  have it Monday afternoon. If I can't disable 
dhcp with their software I can replace it with DD-WRT or Openwrt, 
whatever. I would prefer not to though.


Even if you can't disable dhcp on the router, you can configure the 
interfaces on the machines not to use it.

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Re: Wifi systens -

[Bob Goodwin]

On 10/05/19 13:56, Samuel Sieb wrote:


Yes, as long as you can figure out how to disable dhcp.  I've also 
found that some won't let you use the same ssid for the 2.4 and 5GHz 
bands. If they're the same, then 5GHz capable devices will 
automatically use that.
___ 

.
I ordered one and should  have it Monday afternoon. If I can't disable 
dhcp with their software I can replace it with DD-WRT or Openwrt, 
whatever. I would prefer not to though.


As I said I liked the Tomato USB by Shibby software. One of the things 
it did was provide daily usage information for each user, ip address ...


Thanks for the help,  Bob.

--

Bob Goodwin - Zuni, Virginia, USA
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Re: Wifi systens -

[Samuel Sieb]

On 10/5/19 9:25 AM, Bob Goodwin wrote:
I see a TP-Link AC1750 Smart WiFi Router - Dual Band Gigabit Wireless 
router available at an attractive price. Information is a bit vague. 
Have you tried that model? I have been looking for assurance that it 
could be used as an Access point as it comes. I can probably install dd 
wrt or perhaps Tomato which has some features I find useful. I always 
seem to get lost looking for openwrt compatibility?


That's one of the models I'm still using with openwrt.

But it seems that for a/p use the original software ought to be good 
enough?


Yes, as long as you can figure out how to disable dhcp.  I've also found 
that some won't let you use the same ssid for the 2.4 and 5GHz bands. 
If they're the same, then 5GHz capable devices will automatically use that.

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Re: Wifi systens -

[Bob Goodwin]

On 10/04/19 17:59, Samuel Sieb wrote:


I have used TP-Link routers for many years and have been generally 
happy with them.  Unfortunately the newer ones are generally not 
supported by openwrt yet.  That said, the not so new ones are still 
good and some have 802.11ac support as well.

_

.
I see a TP-Link AC1750 Smart WiFi Router - Dual Band Gigabit Wireless 
router available at an attractive price. Information is a bit vague. 
Have you tried that model? I have been looking for assurance that it 
could be used as an Access point as it comes. I can probably install dd 
wrt or perhaps Tomato which has some features I find useful. I always 
seem to get lost looking for openwrt compatibility?


But it seems that for a/p use the original software ought to be good enough?

--

Bob Goodwin - Zuni, Virginia, USA
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Re: Wifi systens -

[Samuel Sieb]

On 10/4/19 2:35 PM, Bob Goodwin wrote:

On 10/02/19 12:59, Samuel Sieb wrote:
I have setup wifi in a school with currently around 15 access points 
and there is no problem roaming around.  They are all consumer routers 
reflashed with openwrt.  They used to be all TP-Link, but now I'm 
starting to switch to Ubiquiti.  The whole school has both 2.4 and 
5GHz available on the same SSID and different SSIDs for different groups. 

.
I wonder if the Ubiquitia/p's are a better choice than the ASUS RTN66 
routers I have? The one I was planning on using for this purpose failed 
when I tried to reset it, at the moment it's a "brick." it was 
advertised as factory refurbished, had a 90 day warranty according to 
the label. I forget when I bought it but it has had several years of use 
and they get pretty warm. Change anything and problems pop up ... Anyway 
I will have to get something else and will have to make a choice.


Any sugestion appreciated.


The Ubiquiti ones are nice.  A couple of cautions though.  By default 
you need to use their software to configure them, I think they are 
designed for large installations with central management.  If you do 
want to use openwrt (which I recommend), you have to ssh in to them to 
do the flashing.  They also only have one ethernet port (unless you get 
the more expensive one that has two).  They are definitely intended as 
access points, not routers.


I have used TP-Link routers for many years and have been generally happy 
with them.  Unfortunately the newer ones are generally not supported by 
openwrt yet.  That said, the not so new ones are still good and some 
have 802.11ac support as well.

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Re: Wifi systens -

[Bob Goodwin]

On 10/02/19 12:59, Samuel Sieb wrote:
I have setup wifi in a school with currently around 15 access points 
and there is no problem roaming around.  They are all consumer routers 
reflashed with openwrt.  They used to be all TP-Link, but now I'm 
starting to switch to Ubiquiti.  The whole school has both 2.4 and 
5GHz available on the same SSID and different SSIDs for different groups. 

.
I wonder if the Ubiquitia/p's are a better choice than the ASUS RTN66 
routers I have? The one I was planning on using for this purpose failed 
when I tried to reset it, at the moment it's a "brick." it was 
advertised as factory refurbished, had a 90 day warranty according to 
the label. I forget when I bought it but it has had several years of use 
and they get pretty warm. Change anything and problems pop up ... Anyway 
I will have to get something else and will have to make a choice.


Any sugestion appreciated.

--

Bob Goodwin - Zuni, Virginia, USA
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Re: Wifi systens -

[George N. White III]

On Wed, 2 Oct 2019 at 12:59, Bob Goodwin  wrote:

> On 10/01/19 19:04, Samuel Sieb wrote:
> >
> > If you have your access points all configured with the same SSID and
> > password, there is no difference with a mesh system other than better
> > speed.  Even with mesh, your device still has to switch access points
> > when the current one is going out of range.  Just make sure that you
> > are using them as access points and not routers.  No DHCP, no NAT.
> > Use the LAN port, not the WAN port.
> > 
> .
> That appears to fit my situation, I was considering a second one of my
> ASUS RTN66 routers as an access point downstairs. Where my daughter
> chose to set up her operating position seems to suffer a problem with
> interference between the incident and reflected signals from any router
> I have tried here more or less above her. I can use an iPad, whatever a
> few feet away but moving a small amount at her spot causes the signal to
> drop.
>
>
Multipath issues are common, and would be more severe if the house has
big expanses of metal (siding, roof, or nearby outbuildings).

If your daughter can use an ethernet cable at her operationg position you
could use a WiFi to ethernet box.  These typically have better antennae
than an ipad or laptop, and the ethernet cable allows you to separate the
workstation from the antenna so each can be in the ideal location.

-- 
George N. White III
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Re: Wifi systens -

[Samuel Sieb]

On 10/3/19 2:15 PM, Patrick O'Callaghan wrote:

On Wed, 2019-10-02 at 09:59 -0700, Samuel Sieb wrote:

I know that's true in theory, but in practice I've had problems with
it. I assume this is one difference between consumer-grade APs and
"managed" devices intended for corporate networks.


In practice, I haven't had any issues with it. :-)
I have setup wifi in a school with currently around 15 access points and
there is no problem roaming around.  They are all consumer routers
reflashed with openwrt.


That falls outside what I would call "consumer". The software is what
mainly matters here.


I haven't had any issues with stock routers either as long as they are 
configured correctly and connected using the LAN ports.

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Re: Wifi systens -

[Patrick O'Callaghan]

On Wed, 2019-10-02 at 09:59 -0700, Samuel Sieb wrote:
> > I know that's true in theory, but in practice I've had problems with
> > it. I assume this is one difference between consumer-grade APs and
> > "managed" devices intended for corporate networks.
> 
> In practice, I haven't had any issues with it. :-)
> I have setup wifi in a school with currently around 15 access points and 
> there is no problem roaming around.  They are all consumer routers 
> reflashed with openwrt. 

That falls outside what I would call "consumer". The software is what
mainly matters here.

poc
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Re: Wifi systens -

[Bob Goodwin]

On 10/02/19 23:23, Tim via users wrote:

  It strikes me that there's a call for some sort of
bridging adaptor where a device plugs into all phases and cross-
connects them with a high pass filter (for RF).

And there were other things mentioned that block signals:  A UPS
between the mains and a WiFi over powerline device, surge arrestors and
mains filters.

.
I recall, from perhaps thirty years ago, that there were devices to 
couple control signals between the two sides of the main power circuit, 
consumer remote control of lights, etc. I able to made do without such 
things though.


As for what the result will be when I plug in those two ethernet 
adapters I wont try to predict, there are too many variables. It looks a 
bit like trying to predict the weather, if thus and so is true then 
there is a chance the sun will/will not shine ...


I'm just hoping I will find two outlets on the same circuit, the best case.

Some equipment mysteriously stops working at attic temperatures here, I 
had a lot of problems with some video cameras in such a location, had to 
cut vent holes in the case and add a fan after which they worked for years.


Bob

--

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Re: Wifi systens -

[Tim via users]

On Wed, 2019-10-02 at 12:16 -0400, Bob Goodwin wrote:
> Our 120 volt service to the house is derived from a 240 volt line
> from a center tapped transformer, the center is common and grounded.
> So we have two possibilities, 180?? out of phase. Does the ethenet
> signal find it's way, maybe, maybe not but I guess I will find out.
> Some times a different wall outlet will be on the other phase, the
> other side of the transformer.

A brief search for "ethernet over power across phases" provided
conflicting answers:

   --- 

Does Ethernet over power need to be on the same circuit?

If all circuit breakers are connected to the main switch then Powerline
adapters can communicate across different circuits. ... Some factors
that can impact on the performance of your Powerline network can
include wiring quality, the signal path and other electrical devices
that are being used on the same line.

Can TP-LINK powerline adapters work in different phases of three-phase circuit?

A: Yes, but its rate will be affected when crossing the phases. For
three-phase four-line circuit, we suggest you use the topology below to
get good performance.

(Their diagram shows two separate WiFi installations on both phases,
with an ethernet cable between them.)

  -

I dare say that two-phase has the same constraints as three-phase. 
They appear to transmit over the live wire (can be used in old houses
without a ground wire).  Proximity to other wiring could enable it to
cross over, but it probably does need some direct connection for a
strong signal.  It strikes me that there's a call for some sort of
bridging adaptor where a device plugs into all phases and cross-
connects them with a high pass filter (for RF).

And there were other things mentioned that block signals:  A UPS
between the mains and a WiFi over powerline device, surge arrestors and
mains filters.

-- 
 
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Re: Wifi systens -

[Tim via users]

On Wed, 2019-10-02 at 14:11 -0300, George N. White III wrote:
> You could try putting the router upside-down on the ceiling, although
> that may result in overheating (it is often hotter at the ceiling and
> consumer devices are generally designed for passive cooling with air
> drawn in via side vents and out at the top).

It's very common to see things mounted upside on the ceiling (whether
or not the particular device is cool enough, I wouldn't know, and we
live in a hot country - if you stand in a room on a ladder, you sure
notice that your head get uncomfortably warm).

The next common thing is inside the roof space, just sitting on top of
the ceiling.  Again, overheating is a distinct possibility, but there's
the opportunity to use fan cooling that might have been too much of a
noise annoyance inside a room.

Then there's mounting vertically on a wall (like a doorbell chime). 
You get maximum airflow over it, then.

-- 
 
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Re: Wifi systens -

[George N. White III]

On Wed, 2 Oct 2019 at 14:00, Samuel Sieb  wrote:

> On 10/2/19 3:34 AM, Patrick O'Callaghan wrote:
> > On Tue, 2019-10-01 at 16:04 -0700, Samuel Sieb wrote:
> >>> Powerline Ethernet (usually called Homeplug -
> >>> https://en.wikipedia.org/wiki/HomePlug) is my standard answer for
> >>> people who want to extend their home network. Very easy to install and
> >>> much cheaper than the alternatives (not counting wireless "extenders"
> >>> which are basically a kludge). The downside is that unlike mesh systems
> >>> they don't tend to merge everything into one network, relying on your
> >>> WiFi device to hop from one to another.
> >>
> >> If you have your access points all configured with the same SSID and
> >> password, there is no difference with a mesh system other than better
> >> speed.
> >
> > I know that's true in theory, but in practice I've had problems with
> > it. I assume this is one difference between consumer-grade APs and
> > "managed" devices intended for corporate networks.
>
> In practice, I haven't had any issues with it. :-)
> I have setup wifi in a school with currently around 15 access points and
> there is no problem roaming around.  They are all consumer routers
> reflashed with openwrt.  They used to be all TP-Link, but now I'm
> starting to switch to Ubiquiti.  The whole school has both 2.4 and 5GHz
> available on the same SSID and different SSIDs for different groups.
>

Openwrt is a step up from most consumer router software.  Hardware
reliability (particularly the power dongles) could be an issue, but with
cheap hardware you can afford to have a couple spares ready to go.
If the units use power dongles it might be worth investing in higher
quality power supplies so you don't end up with spares that don't
have power supplies.

-- 
George N. White III
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Re: Wifi systens -

[George N. White III]

On Wed, 2 Oct 2019 at 12:59, Bob Goodwin  wrote:

> On 10/01/19 19:04, Samuel Sieb wrote:
> >
> > If you have your access points all configured with the same SSID and
> > password, there is no difference with a mesh system other than better
> > speed.  Even with mesh, your device still has to switch access points
> > when the current one is going out of range.  Just make sure that you
> > are using them as access points and not routers.  No DHCP, no NAT.
> > Use the LAN port, not the WAN port.
> > 
> .
> That appears to fit my situation, I was considering a second one of my
> ASUS RTN66 routers as an access point downstairs. Where my daughter
> chose to set up her operating position seems to suffer a problem with
> interference between the incident and reflected signals from any router
> I have tried here more or less above her. I can use an iPad, whatever a
> few feet away but moving a small amount at her spot causes the signal to
> drop.
>

This is a very common scenario.   You could try putting the router
upside-down
on the ceiling, although that may result in overheating (it is often hotter
at the
ceiling and consumer devices are generally designed for passive cooling
with
air drawn in via side vents and out at the top).   Since that model has
detachable
antennae, you have the option to move them to a place that gives better
coverage,
such as hanging them from the ceiling.

-- 
George N. White III
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Re: Wifi systens -

[Samuel Sieb]

On 10/2/19 3:34 AM, Patrick O'Callaghan wrote:

On Tue, 2019-10-01 at 16:04 -0700, Samuel Sieb wrote:

Powerline Ethernet (usually called Homeplug -
https://en.wikipedia.org/wiki/HomePlug) is my standard answer for
people who want to extend their home network. Very easy to install and
much cheaper than the alternatives (not counting wireless "extenders"
which are basically a kludge). The downside is that unlike mesh systems
they don't tend to merge everything into one network, relying on your
WiFi device to hop from one to another.


If you have your access points all configured with the same SSID and
password, there is no difference with a mesh system other than better
speed.


I know that's true in theory, but in practice I've had problems with
it. I assume this is one difference between consumer-grade APs and
"managed" devices intended for corporate networks.


In practice, I haven't had any issues with it. :-)
I have setup wifi in a school with currently around 15 access points and 
there is no problem roaming around.  They are all consumer routers 
reflashed with openwrt.  They used to be all TP-Link, but now I'm 
starting to switch to Ubiquiti.  The whole school has both 2.4 and 5GHz 
available on the same SSID and different SSIDs for different groups.

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Re: Wifi systens -

[Bob Goodwin]

On 10/02/19 06:31, Patrick O'Callaghan wrote:

Not being an EE, I haven't the slightest idea. US power company
standards are a closed book to me (I live in the UK where I don't think
this would happen for safety reasons, though I could be wrong). In any
case, Homeplug is a widely supported standards so I suggest asking the
manufacturer.

.
Yes, I have had this problem with remote controlled power devices. Our 
120 volt service to the house is derived from a 240 volt line from a 
center tapped transformer, the center is common and grounded. So we have 
two possibilities, 180° out of phase. Does the ethenet signal find it's 
way, maybe, maybe not but I guess I will find out. Some times a 
different wall outlet will be on the other phase, the other side of the 
transformer. In that case you would measure 240 volts between the two 
"high" terminals so it need not be a mystery if there was a problem.


--

Bob Goodwin - Zuni, Virginia, USA

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Re: Wifi systens -

[Bob Goodwin]

On 10/01/19 19:04, Samuel Sieb wrote:


If you have your access points all configured with the same SSID and 
password, there is no difference with a mesh system other than better 
speed.  Even with mesh, your device still has to switch access points 
when the current one is going out of range.  Just make sure that you 
are using them as access points and not routers.  No DHCP, no NAT.  
Use the LAN port, not the WAN port.



.
That appears to fit my situation, I was considering a second one of my 
ASUS RTN66 routers as an access point downstairs. Where my daughter 
chose to set up her operating position seems to suffer a problem with 
interference between the incident and reflected signals from any router 
I have tried here more or less above her. I can use an iPad, whatever a 
few feet away but moving a small amount at her spot causes the signal to 
drop.


--

Bob Goodwin - Zuni, Virginia, USA
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Re: Wifi systens -

[Bob Goodwin]

On 10/01/19 18:46, Samuel Sieb wrote:


They are very suitable for this case, I use one at home even though 
it's not really necessary.  How well it works can depend on your 
wiring and what else is plugged in nearby.  It's one of the easiest 
ways of extending your wifi range.  Just plug the converter box into 
an outlet and plug the wifi access point into that with ethernet.  
Another converter box needs to be connected to your network somewhere.



.
Sam, that's a really useful comment, I've wondered about those for a 
while. You may have inspired me to order a pair of those converters today.


Bob

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