Re: NETDEV WATCHDOG: internal(r8152): transmit queue 0 timed out

[poma]

On 16.01.2015 00:38, sean darcy wrote:
 I've got F20 on an old laptop I'm using as a router. The external 
 interface uses the RJ45 port. The internal uses a USB ethernet adapter. 
 Every 2-3 weeks, the internal USB adapter fails. I can fix it by just 
 moving it to the other USB port. In another 2-3 weeks, it will fail 
 again, and I move it back to the original USB port, and so on.
 
 No problems with the external RJ45 interface.
 
 The logs aren't very helpful:
 
 12:39:22 kernel: NETDEV WATCHDOG: internal (r8152): transmit queue 0 
 timed out
 12:39:22 kernel: Modules linked in: xt_conntrack xt_nat ipt_MASQUERADE 
 xt_DSCP iptable_mangle iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 
 nf_nat_ipv4 iptable_raw sch_pie nf_nat_sip nf_nat nf_conntrack_sip 
 nf_conntrack bnep bluetooth arc4 snd_hda_codec_hdmi 
 snd_hda_codec_realtek b43 bcma snd_hda_codec_generic snd_hda_intel 
 snd_hda_controller mac80211 snd_hda_codec uvcvideo snd_hwdep snd_seq 
 snd_seq_device coretemp sdhci_pci snd_pcm acer_wmi videobuf2_vmalloc 
 cfg80211 sparse_keymap microcode sdhci videobuf2_memops iTCO_wdt 
 videobuf2_core rfkill iTCO_vendor_support v4l2_common tg3 ssb cdc_ether 
 ptp joydev pps_core usbnet videodev media i2c_i801 serio_raw mmc_core 
 irda r8152 lpc_ich shpchp tifm_7xx1 snd_timer snd soundcore mfd_core 
 tifm_core crc_ccitt wmi mii acpi_cpufreq firewire_ohci firewire_core 
 crc_itu_t
 12:39:22 kernel: r8152 2-2:1.0 internal: Tx timeout
 12:39:23 kernel: r8152 2-2:1.0 internal: Tx timeout
 12:39:24 kernel: r8152 2-2:1.0 internal: Tx timeout
 ..
 
 This looks like a USB problem. Is there a way to get usb (or 
 NetworkManager) to reinitialize the driver when this happens?
 
 sean
 
 

I would ask these people for advice, therefore.

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Re: MC Midnight Commander: error opening PDF files refers to Dolphin

[A.J. Bonnema]

On 15-01-15 22:16, poma wrote:

On 15.01.2015 14:46, A.J. Bonnema wrote:

So I was wondering, could the pdf extention be hidden in a regular
expression in such a way that I don't recognize it as being pdf? I have
no idea why mc wants to load /usr/bin/dolphin.


Kind regards, Guus.


Check within the newly created user.

In a newly created user, mc works with pdf as expected. It does not try 
to invoke /usr/bin/dolphin.
So, I moved .mc out of the way and viola!   ..it still calls 
/usr/bin/dolphin .. :( This is so weird. Where could the directive 
to load /usr/bin/dolphin be hidden if not in .mc configuration files?


I suspect mc is listening to a different default setting configuration 
file, but I am running gnome, not kde.
Dolphin is the default kde file manager, so I removed .kde, but still 
the same response. I wonder where mc gets the instruction to load 
/usr/bin/dolphin when I enter on a pdf file?



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Re: NETDEV WATCHDOG: internal(r8152): transmit queue 0 timed out

[poma]

On 16.01.2015 10:37, Hayes Wang wrote:
  poma [mailto:pomidorabelis...@gmail.com] 
 Sent: Friday, January 16, 2015 4:25 PM
 [...]
 This looks like a USB problem. Is there a way to get usb (or 
 NetworkManager) to reinitialize the driver when this happens?

 I would ask these people for advice, therefore.
 
 Our hw engineers need to analyse the behavior of the device.
 However, I don't think you have such instrument to provide
 the required information. If we don't know the reason, we
 couldn't give you the proper solution. Besides, your solution
 would work if and only if reloading the driver is helpful.
 
 The issue have to debug from the hardware, and I have no idea
 about what the software could do before analysing the hw. Maybe
 you could try the following driver first to check if it is useful.
 
 http://www.realtek.com.tw/downloads/downloadsView.aspx?Langid=2PNid=13PFid=56Level=5Conn=4DownTypeID=3GetDown=false
  
 Best Regards,
 Hayes
 

Thanks for your response, Mr. Hayes.

Mr. Sean, please download and check if timeout is still present with built 
RTL8153 module from REALTEK site, as Mr. Hayes proposed.
http://www.realtek.com.tw/downloads/downloadsView.aspx?Langid=2PNid=13PFid=56Level=5Conn=4DownTypeID=3GetDown=false#2
r8152.53-2.03.0.tar.bz2

Procedure - should be equal for both, Fedora 21  20:

$ uname -r
3.17.8-300.fc21.x86_64

$ su -c 'yum install kernel-devel'

$ tar xf r8152.53-2.03.0.tar.bz2
$ cd r8152-2.03.0/
$ make
$ su

# cp 50-usb-realtek-net.rules /etc/udev/rules.d/
# udevadm trigger --action=add

# modprobe -rv r8152
# cp r8152.ko /lib/modules/$(uname -r)/updates/
# depmod
# modprobe -v r8152


poma

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Re: MC Midnight Commander: error opening PDF files refers to Dolphin

[poma]

On 16.01.2015 11:58, A.J. Bonnema wrote:
 On 15-01-15 22:16, poma wrote:
 On 15.01.2015 14:46, A.J. Bonnema wrote:
 So I was wondering, could the pdf extention be hidden in a regular
 expression in such a way that I don't recognize it as being pdf? I have
 no idea why mc wants to load /usr/bin/dolphin.


 Kind regards, Guus.

 Check within the newly created user.

 In a newly created user, mc works with pdf as expected. It does not try 
 to invoke /usr/bin/dolphin.
 So, I moved .mc out of the way and viola!   ..it still calls 
 /usr/bin/dolphin .. :( This is so weird. Where could the directive 
 to load /usr/bin/dolphin be hidden if not in .mc configuration files?
 
 I suspect mc is listening to a different default setting configuration 
 file, but I am running gnome, not kde.
 Dolphin is the default kde file manager, so I removed .kde, but still 
 the same response. I wonder where mc gets the instruction to load 
 /usr/bin/dolphin when I enter on a pdf file?
 
 

See if you can find something interesting:
$ find ~/.local -name mime*


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Re: Nagios 4?

[poma]

On 16.01.2015 03:13, Konstantin Svist wrote:
 How come Fedora repos include Nagios 3.5 and not 4?
 Version 4 seems to have been released in Oct 2013...
 
 

Someone needs to build, test and propose to upgrade, with patch if possible, at 
https://bugzilla.redhat.com.
Can you do it?


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Re: swapping

[Patrick O'Callaghan]

On Fri, 2015-01-16 at 08:28 +0100, Heinz Diehl wrote:
 On 16.01.2015, Tim wrote: 
 
  Of course *you* do not *use* it, it's there as a protective device
  against *things* on your system.
 
 Any recent Linux distribution can be secured without using selinux.
 Selinux requires at least basic knowledge and administration. Most of
 the people I installed Linux for didn't even know it was there or what
 it's good for.

You mean like the fuses in your house or the airbag in your car? When
Selinux is working you don't know it's there. When it alerts you it
means there's something wrong. I agree that the alerts are not always as
clear as they might be, but it's a fallacy to suggest that it doesn't
provide benefit.

poc

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Re: Nagios 4?

[Michael Cronenworth]

On 01/15/2015 08:13 PM, Konstantin Svist wrote:

How come Fedora repos include Nagios 3.5 and not 4?
Version 4 seems to have been released in Oct 2013...


Unfortunately the maintainers for nagios have not submitted a new update.

https://bugzilla.redhat.com/show_bug.cgi?id=1005974

Feel free to reach out to a maintainer - there are quite a few.

https://admin.fedoraproject.org/pkgdb/package/nagios/

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Re: KVM/QEMU remote connection [SOLVED]

[Pete Travis]

On Jan 15, 2015 7:12 PM, Glenn Holmer shad...@lyonlabs.org wrote:

 On 01/15/2015 07:26 PM, Pete Travis wrote:
 
  On Jan 15, 2015 11:49 AM, Glenn Holmer shad...@lyonlabs.org
  mailto:shad...@lyonlabs.org wrote:
 
  On 12/31/2014 03:40 PM, Flavio Leitner wrote:
   On Wednesday, December 31, 2014 03:21:46 PM Glenn Holmer wrote:
   On 12/31/2014 02:33 PM, Flavio Leitner wrote:
   On Wednesday, December 31, 2014 02:11:38 PM Glenn Holmer wrote:
   I'm trying to connect to another machine using virt-manager
(File/Add
   Connection). I select QEMU/KVM as hypervisor, connect to remote
  host,
   method SSH, and a username and hostname on the remote machine. The
   result is always that I get prompted for my passphrase, but then
see
   authentication failed: no agent is available to authenticate. I
get
   this going from either machine to the other.
  
   Virtualization is set up OK because I can run virtual machines on
  both
   VM hosts. SSH is set up OK, I can ssh with public key in both
  directions
   both as myself and as root. I tried setenforce 0 on both
  machines to
   see if SELinux was blocking it, but the result was the same.
  
   What am I missing?
  
   Do you see the process ssh-agent running?
  
   I see this on both machines:
  
   /usr/bin/ssh-agent /bin/sh -c exec -l /bin/bash -c
/usr/bin/startkde
  
  
   Right, do you see your identity there?
   $ ssh-add -l
  
   If so, is there any chance of you are running the virt-manager out
  of the
   established session?  I'd start the virt-manager on the same shell
  running
   the ssh-add above to confirm.
 
  I finally got some more time to work on this. At first, it seemed like
a
  KDE thing, as ssh-add -l didn't show anything when I first logged in.
  So I added ssh-add to the list of startup programs, and now the KDE
  version of ssh-askpass prompts me for a password when I log in, and I
  can ssh to the remote machine without entering a passphrase for the
key.
  But I still get the same error when I try to create a new KVM
  connection! Anybody have any other ideas?

  If you are using a regular user, do something like this on the host:
 
 
https://fedorapeople.org/groups/docs/cookbook/#access-to-libvirt-without-root-privileges

 Thanks, that solved it.

 --
 Glenn Holmer (Linux registered user #16682)
 After the vintage season came the aftermath -- and Cenbe.
 --


Great, glad I could help.

BTW, the Cookbook is WIP and not formally published because there isn't a
lot of content yet.  Contributions welcome :)

--Pete
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Re: MC Midnight Commander: error opening PDF files refers to Dolphin

[A.J. Bonnema]

On 16-01-15 13:32, poma wrote:

 I wonder where mc gets the instruction to load
 /usr/bin/dolphin when I enter on a pdf file?


See if you can find something interesting:
$ find ~/.local -name mime*


Well, that got me a file called 
.local/share/xfce4/helpers/custom-FileManager.desktop that contained the 
instruction to load /usr/bin/dolphin.

So I changed dolphin to nautilus and voila: I got nautilus.

When I removed the xfce4 directory from .local/share, the most weird 
thing happened. Restarting MC I entered on the pdf again, and this time 
got an XFCE request to choose a default filemanager. Remark that I am 
working from gnome!


Ok, so apparantly MC has a connection to XFCE4 even if it is not 
running. What does MC want with XFCE configuration? Why does it want to 
open a filemanager in stead of a pdf reader?


I attached the 2 dialogs in screenprint I got from mc.

Regards, Guus.

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Short, flickering horizontal lines in GTK apps

[Ian Pilcher]

https://drive.google.com/file/d/0B9ZGcvLVEr8kd0swQmNNc1ZSblE/view?usp=sharing

Is anyone else seeing anything like the effect in the linked video?

I'm seeing this occasionally since upgrading my ThinkPad T430s with
Intel graphics (Core i7-3520M) to Fedora 21.  I am running KDE with
desktop effects enabled, and thus far I have only seen this in GTK
applications (Firefox, Thunderbird, and LibreOffice).

-- 

Ian Pilcher arequip...@gmail.com
 I grew up before Mark Zuckerberg invented friendship 


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Re: NETDEV WATCHDOG: internal(r8152): transmit queue 0 timed out

[sean darcy]

On 01/16/2015 07:09 AM, poma wrote:

On 16.01.2015 10:37, Hayes Wang wrote:

  poma [mailto:pomidorabelis...@gmail.com]

Sent: Friday, January 16, 2015 4:25 PM

[...]

This looks like a USB problem. Is there a way to get usb (or
NetworkManager) to reinitialize the driver when this happens?


I would ask these people for advice, therefore.


Our hw engineers need to analyse the behavior of the device.
However, I don't think you have such instrument to provide
the required information. If we don't know the reason, we
couldn't give you the proper solution. Besides, your solution
would work if and only if reloading the driver is helpful.

The issue have to debug from the hardware, and I have no idea
about what the software could do before analysing the hw. Maybe
you could try the following driver first to check if it is useful.

http://www.realtek.com.tw/downloads/downloadsView.aspx?Langid=2PNid=13PFid=56Level=5Conn=4DownTypeID=3GetDown=false

Best Regards,
Hayes



Thanks for your response, Mr. Hayes.

Mr. Sean, please download and check if timeout is still present with built 
RTL8153 module from REALTEK site, as Mr. Hayes proposed.
http://www.realtek.com.tw/downloads/downloadsView.aspx?Langid=2PNid=13PFid=56Level=5Conn=4DownTypeID=3GetDown=false#2
r8152.53-2.03.0.tar.bz2

Procedure - should be equal for both, Fedora 21  20:

$ uname -r
3.17.8-300.fc21.x86_64

$ su -c 'yum install kernel-devel'

$ tar xf r8152.53-2.03.0.tar.bz2
$ cd r8152-2.03.0/
$ make
$ su

# cp 50-usb-realtek-net.rules /etc/udev/rules.d/
# udevadm trigger --action=add

# modprobe -rv r8152
# cp r8152.ko /lib/modules/$(uname -r)/updates/
# depmod
# modprobe -v r8152


poma


OK, will do.

In the meantime, here's the kernel log showing the timeout, the removal 
of the usb ethernet adapter, and it's reinsertion:



Jan 15 00:15:18 kernel: r8152 2-1:1.0 internal: Tx timeout
Jan 15 00:15:23 kernel: r8152 2-1:1.0 internal: Tx timeout
Jan 15 00:15:29 kernel: usb 2-1: USB disconnect, device number 4
Jan 15 00:15:29 kernel: r8152 2-1:1.0 internal: Tx status -108
.
Jan 15 00:15:29 kernel: r8152 2-1:1.0 internal: Tx status -108
Jan 15 00:15:29 kernel: r8152 2-1:1.0 internal: Tx status -108
Jan 15 00:15:31 kernel: usb 2-1: new high-speed USB device number 5 
using ehci-pci
Jan 15 00:15:31 kernel: usb 2-1: New USB device found, idVendor=0bda, 
idProduct=8152
Jan 15 00:15:31 kernel: usb 2-1: New USB device strings: Mfr=1, 
Product=2, SerialNumber=3

Jan 15 00:15:31 kernel: usb 2-1: Product: USB 10/100 LAN
Jan 15 00:15:31 kernel: usb 2-1: Manufacturer: CE-LINK
Jan 15 00:15:31 kernel: usb 2-1: SerialNumber: ...
Jan 15 00:15:31 kernel: usb 2-1: reset high-speed USB device number 5 
using ehci-pci

Jan 15 00:15:31 kernel: r8152 2-1:1.0 eth0: v1.06.1 (2014/10/01)
Jan 15 00:15:32 kernel: r8152 2-1:1.0 internal: renamed from eth0
Jan 15 00:15:32 systemd-udevd[12869]: renamed network interface eth0 to 
internal
Jan 15 00:15:32 kernel: IPv6: ADDRCONF(NETDEV_UP): internal: link is not 
ready
Jan 15 00:15:34 kernel: IPv6: ADDRCONF(NETDEV_CHANGE): internal: link 
becomes ready



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Re: Blocking POODLE

[Andre Speelmans]

On Fri, Jan 16, 2015 at 3:45 AM, Matthew Saltzman m...@clemson.edu wrote:
 On Thu, 2015-01-15 at 19:09 +0100, Andre Speelmans wrote:
 On Thu, Jan 15, 2015 at 3:40 AM, Matthew Saltzman m...@clemson.edu wrote:
  SSLLabs reports a couple of servers of mine have SSL v3 enabled and are
  vulnerable to POODLE.  I followed instructions for Apache httpd at
  https://scotthelme.co.uk/sslv3-goes-to-the-dogs-poodle-kills-off-protocol/,
   but that does not seem to cure the problem.
  SSLLabs still reports the servers as vulnerable.  Does anyone know what 
  I'm missing?

 Given that you are on the university network, are you sure there is no
 proxy in between and that SSLLabs is testing the proxy?

 Good question.  One of the servers is actually outside the university
 firewall, so I *thinK* that's not an issue, at least for that machine.
 I'm pretty sure that machines on the campus network are behind a network
 firewall, but not behind a campus proxy.

Perhaps a simple way to test it would be to disable TLS in your
browser and try connecting to them? As you are inside the campus
network, you would probably not hit a proxy and if you only accept SSL
and not TLS, the connection should fail.
In firefox I would set security.tls.version.min to 10 or so and see
what happens. Note: I have not actually tried it, but I think that
would do the trick.

-- 
Best regard,

André
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Re: Cannot boot laptop due to video driver

[Doug]

On 01/16/2015 01:20 AM, Robin Laing wrote:

Hello,

I am trying to help my child whom is across the country repair their laptop 
after installing the wrong video driver.  They can boot into emergency mode but 
not any of the other kernels.

During booting into the system, the boot process stops close to the point of 
starting KDM.

We tried the following the guides on the net to remove the bad package and keep 
getting stuck.

Tried to modify grub2 during boot to try booting into single mode and that didn't work or 
we put the single in the wrong place.

A link that I can send them on how to use yum to remove the driver from 
emergency mode or get into single user mode would be appreciated.

Either that or instructions on how to do either.

I told them to ask around the computer club as someone there might be able to 
help them instead of me trying over the phone.

Current Fedora documentation for using the rescue mode is very sparse.

Tried the procedures on this page with no success.  They said that they 
couldn't get the chroot command to work.  They may have typed something wrong 
because it was very late.  Going to deal with it tomorrow (Friday).

http://docs.fedoraproject.org/en-US/Fedora/16/html/Installation_Guide/rescuemode_drivers.html



 
I would think a live disk (from any version of Linux) would allow them to access anything on the failed system and modify it.

It would help if you have enough information about the computer and its video 
card to tell them what they need to do,
specifically.

--doug
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Removing obsolete selinux setup

[Pete Stieber]

I have a machine that has dokuwiki loaded.  In order to get it to work 
with selinux, I followed some advice that was on:


https://www.dokuwiki.org/install:fedora

to allow apache to edit some files:

semanage fcontext -a -t httpd_mediawiki_rw_content_t '/etc/dokuwiki'
restorecon -v '/etc/dokuwiki'
semanage fcontext -a -t httpd_mediawiki_rw_content_t 
'/etc/dokuwiki/users.auth.php'

restorecon -v '/etc/dokuwiki/users.auth.php'
semanage fcontext -a -t httpd_mediawiki_rw_content_t 
'/etc/dokuwiki/local.php'

restorecon -v '/etc/dokuwiki/local.php'

This worked on 19 and 20, but when I upgraded the machine to Fedora 21 
and the httpd_mediawiki_rw_content_t no longer exists.  I tried


semanage fcontext -d -t httpd_mediawiki_rw_content_t '/etc/dokuwiki'

but I get complaints about the media wiki context being invalid.

How do I remove these obsolete entries from the selinux database?

Pete
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Re: MC Midnight Commander: error opening PDF files refers to Dolphin

[poma]

On 16.01.2015 16:57, A.J. Bonnema wrote:
 On 16-01-15 13:32, poma wrote:
 I wonder where mc gets the instruction to load
 /usr/bin/dolphin when I enter on a pdf file?


 See if you can find something interesting:
 $ find ~/.local -name mime*


 Well, that got me a file called 
 .local/share/xfce4/helpers/custom-FileManager.desktop that contained the 
 instruction to load /usr/bin/dolphin.
 So I changed dolphin to nautilus and voila: I got nautilus.
 
 When I removed the xfce4 directory from .local/share, the most weird 
 thing happened. Restarting MC I entered on the pdf again, and this time 
 got an XFCE request to choose a default filemanager. Remark that I am 
 working from gnome!
 
 Ok, so apparantly MC has a connection to XFCE4 even if it is not 
 running. What does MC want with XFCE configuration? Why does it want to 
 open a filemanager in stead of a pdf reader?
 
 I attached the 2 dialogs in screenprint I got from mc.
 
 Regards, Guus.
 
 
 

This works for me.

$ cp /etc/mc/mc.ext ~/.config/mc/

$ sed -i 's/\/usr\/libexec\/mc\/ext.d\/doc.sh open pdf/\
xpdf ${MC_EXT_FILENAME} \/dev\/null 2\1 \/g' ~/.config/mc/mc.ext

$ grep xpdf ~/.config/mc/mc.ext
xpdf ${MC_EXT_FILENAME} /dev/null 21 

If this doesn't work for you, start over with a clean user environment.



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Re: swapping

[Daniel J Walsh]

On 01/16/2015 07:47 AM, Patrick O'Callaghan wrote:
 On Fri, 2015-01-16 at 08:28 +0100, Heinz Diehl wrote:
 On 16.01.2015, Tim wrote: 

 Of course *you* do not *use* it, it's there as a protective device
 against *things* on your system.
 Any recent Linux distribution can be secured without using selinux.
 Selinux requires at least basic knowledge and administration. Most of
 the people I installed Linux for didn't even know it was there or what
 it's good for.
 You mean like the fuses in your house or the airbag in your car? When
 Selinux is working you don't know it's there. When it alerts you it
 means there's something wrong. I agree that the alerts are not always as
 clear as they might be, but it's a fallacy to suggest that it doesn't
 provide benefit.

 poc

Here is a case of SELinux protecting your house.

http://danwalsh.livejournal.com/71122.html
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Re: Removing obsolete selinux setup

[Daniel J Walsh]

On 01/16/2015 12:19 PM, Pete Stieber wrote:
 I have a machine that has dokuwiki loaded.  In order to get it to work
 with selinux, I followed some advice that was on:

 https://www.dokuwiki.org/install:fedora

 to allow apache to edit some files:

 semanage fcontext -a -t httpd_mediawiki_rw_content_t '/etc/dokuwiki'
 restorecon -v '/etc/dokuwiki'
 semanage fcontext -a -t httpd_mediawiki_rw_content_t
 '/etc/dokuwiki/users.auth.php'
 restorecon -v '/etc/dokuwiki/users.auth.php'
 semanage fcontext -a -t httpd_mediawiki_rw_content_t
 '/etc/dokuwiki/local.php'
 restorecon -v '/etc/dokuwiki/local.php'

 This worked on 19 and 20, but when I upgraded the machine to Fedora 21
 and the httpd_mediawiki_rw_content_t no longer exists.  I tried

 semanage fcontext -d -t httpd_mediawiki_rw_content_t '/etc/dokuwiki'

 but I get complaints about the media wiki context being invalid.

 How do I remove these obsolete entries from the selinux database?

 Pete
semanage fcontext -d '/etc/dokuwiki/users.auth.php'

Although I am surprised they do not work.
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Re: swapping

[poma]

On 16.01.2015 19:47, Daniel J Walsh wrote:
 
 On 01/16/2015 07:47 AM, Patrick O'Callaghan wrote:
 On Fri, 2015-01-16 at 08:28 +0100, Heinz Diehl wrote:
 On 16.01.2015, Tim wrote: 

 Of course *you* do not *use* it, it's there as a protective device
 against *things* on your system.
 Any recent Linux distribution can be secured without using selinux.
 Selinux requires at least basic knowledge and administration. Most of
 the people I installed Linux for didn't even know it was there or what
 it's good for.
 You mean like the fuses in your house or the airbag in your car? When
 Selinux is working you don't know it's there. When it alerts you it
 means there's something wrong. I agree that the alerts are not always as
 clear as they might be, but it's a fallacy to suggest that it doesn't
 provide benefit.

 poc

 Here is a case of SELinux protecting your house.
 
 http://danwalsh.livejournal.com/71122.html
 

Not to fall to false sense of security, does SElinux need SElinux?


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X server not starting on boot

[Raman Gupta]

My X server is no longer starting at boot time. Plymouth simply stops
and X does not start.

I use the open source ATI radeon drivers on a fully updated Fedora 21
system. systemctl status kdm.service reports that the X server failed
to start:

Jan 16 13:16:02 host kdm[1885]: X server for display :0 terminated
unexpectedly

But /var/log/Xorg.0.log contains absolutely no errors, except that
where the following lines would normally be printed:

[   171.281] (II) RADEON(0): EDID vendor NEC, prod id 26260
[   171.282] (II) RADEON(0): Using EDID range info for horizontal sync
[   171.282] (II) RADEON(0): Using EDID range info for vertical refresh
[   171.282] (II) RADEON(0): Printing DDC gathered Modelines:
[   171.282] (II) RADEON(0): Modeline 1680x1050x0.0  146.25  1680
1960 2136 2240  1050 1053 1059 1089 -hsync +vsync (65.3 kHz eP)
...

instead it looks like it just starts shutting down:

[24.280] (II) UnloadModule: wacom
[24.280] (II) evdev: Eee PC WMI hotkeys: Close
[24.280] (II) UnloadModule: evdev
... [ more close / unloads, until log end ]

I am able to start X by ssh'ing in to the box (no VTs are available
either), and restarting the kdm service manually (sudo systemctl
restart kdm), at which point everything works perfectly well.

Any ideas what is going on here?

Regards,
Raman
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Re: swapping

[Daniel J Walsh]

On 01/16/2015 01:57 PM, poma wrote:
 On 16.01.2015 19:47, Daniel J Walsh wrote:
 On 01/16/2015 07:47 AM, Patrick O'Callaghan wrote:
 On Fri, 2015-01-16 at 08:28 +0100, Heinz Diehl wrote:
 On 16.01.2015, Tim wrote: 

 Of course *you* do not *use* it, it's there as a protective device
 against *things* on your system.
 Any recent Linux distribution can be secured without using selinux.
 Selinux requires at least basic knowledge and administration. Most of
 the people I installed Linux for didn't even know it was there or what
 it's good for.
 You mean like the fuses in your house or the airbag in your car? When
 Selinux is working you don't know it's there. When it alerts you it
 means there's something wrong. I agree that the alerts are not always as
 clear as they might be, but it's a fallacy to suggest that it doesn't
 provide benefit.

 poc

 Here is a case of SELinux protecting your house.

 http://danwalsh.livejournal.com/71122.html

 Not to fall to false sense of security, does SElinux need SElinux?


SELinux is the kernel, so does the Kernel need the kernel.

But theoretically SELinux/Kernel can protect itself.  We can prevent
privileged processes (root) from manipulating the SELinux settings.
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Swapping to a large sparse file

[jd1008]

Can it be done?

So far, swapon says:
swapon: /var/swapfile: skipping - it appears to have holes.

I was hoping that the kernel's swapper would allow the filesystem to 
allocate

real blocks to the sparse file when they are needed rather than check
up front to see if they already exist.

Maybe the devs can have a look and see if they can modify the swapper to
allow sparse swap files??

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Re: Removing obsolete selinux setup

[Pete Stieber]

On 01/16/2015 12:19 PM, PS = Pete Stieber wrote:
PS I have a machine that has dokuwiki loaded.
PS In order to get it to work with selinux, I
PS followed some advice that was on:
PS
PS https://www.dokuwiki.org/install:fedora
PS
PS to allow apache to edit some files:
PS
PS semanage fcontext -a -t httpd_mediawiki_rw_content_t '/etc/dokuwiki'
PS restorecon -v '/etc/dokuwiki'
PS semanage fcontext -a -t httpd_mediawiki_rw_content_t
PS '/etc/dokuwiki/users.auth.php'
PS restorecon -v '/etc/dokuwiki/users.auth.php'
PS semanage fcontext -a -t httpd_mediawiki_rw_content_t
PS '/etc/dokuwiki/local.php'
PS restorecon -v '/etc/dokuwiki/local.php'
PS
PS This worked on 19 and 20, but when I
PS upgraded the machine to Fedora 21 the
PS httpd_mediawiki_rw_content_t no longer
PS exists.  I tried
PS
PS semanage fcontext -d -t httpd_mediawiki_rw_content_t '/etc/dokuwiki'
PS
PS but I get complaints about the media wiki
PS context being invalid.
PS
PS How do I remove these obsolete entries
PS from the selinux database?

On 1/16/2015 10:50 AM, DW = Daniel Walsh wrote:
DW semanage fcontext -d '/etc/dokuwiki/users.auth.php'
DW
DW Although I am surprised they do not work.

Thanks for the quick reply.

Here's the complaints I get when I try...

# semanage fcontext -d '/etc/dokuwiki/users.auth.php'
libsepol.context_from_record: type httpd_mediawiki_rw_content_t is not 
defined (No such file or directory).
libsepol.context_from_record: could not create context structure 
(Invalid argument).
libsemanage.validate_handler: invalid context 
system_u:object_r:httpd_mediawiki_rw_content_t:s0 specified for 
/etc/dokuwiki [all files] (Invalid argument).
libsemanage.dbase_llist_iterate: could not iterate over records (Invalid 
argument).

OSError: Invalid argument

It seems like I have to temporarily add the obsolete context 
(httpd_mediawiki_rw_content_t) back so I can continue and I don't know how.


Dose that make any sense?

Thanks again,
Pete

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Re: swapping

[poma]

On 16.01.2015 20:35, Daniel J Walsh wrote:
 
 On 01/16/2015 01:57 PM, poma wrote:
 On 16.01.2015 19:47, Daniel J Walsh wrote:
 On 01/16/2015 07:47 AM, Patrick O'Callaghan wrote:
 On Fri, 2015-01-16 at 08:28 +0100, Heinz Diehl wrote:
 On 16.01.2015, Tim wrote: 

 Of course *you* do not *use* it, it's there as a protective device
 against *things* on your system.
 Any recent Linux distribution can be secured without using selinux.
 Selinux requires at least basic knowledge and administration. Most of
 the people I installed Linux for didn't even know it was there or what
 it's good for.
 You mean like the fuses in your house or the airbag in your car? When
 Selinux is working you don't know it's there. When it alerts you it
 means there's something wrong. I agree that the alerts are not always as
 clear as they might be, but it's a fallacy to suggest that it doesn't
 provide benefit.

 poc

 Here is a case of SELinux protecting your house.

 http://danwalsh.livejournal.com/71122.html

 Not to fall to false sense of security, does SElinux need SElinux?


 SELinux is the kernel, so does the Kernel need the kernel.
 

You've probably wanted to write, SELinux is a Linux(kernel) feature.
But in some another context, the kernel needs the kernel, and not only.

 But theoretically SELinux/Kernel can protect itself.  We can prevent
 privileged processes (root) from manipulating the SELinux settings.
 

Can SELinux, AppArmor and Grsecurity perform together, to achieve an even 
greater level of security?


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Re: Swapping to a large sparse file

[Chris Murphy]

On Fri, Jan 16, 2015 at 1:08 PM, jd1008 jd1...@gmail.com wrote:
 Can it be done?

 So far, swapon says:
 swapon: /var/swapfile: skipping - it appears to have holes.

 I was hoping that the kernel's swapper would allow the filesystem to
 allocate
 real blocks to the sparse file when they are needed rather than check
 up front to see if they already exist.

 Maybe the devs can have a look and see if they can modify the swapper to
 allow sparse swap files??

No the issue is that the swap code doesn't actually write through the
file system. Essentially it gets the LBA range of the file from the
file system, and then asserts direct control to write to those blocks.
And in this case the sparse file has no real blocks so swapon fails.

It's similar problem to swapfiles on NFS and Btrfs. There are patches
floating around to get this working on NFS that Btrfs was also going
to leverage. I don't know the status of that work,  it seems a bit
stalled to me.

You could probably create a sparsefile to back a loop device, and then
specify the loop device as swap. But reports are this will be slower
than a swapfile.


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Re: Blocking POODLE

[Matthew Saltzman]

On Fri, 2015-01-16 at 17:41 +0100, Andre Speelmans wrote:
 On Fri, Jan 16, 2015 at 3:45 AM, Matthew Saltzman m...@clemson.edu wrote:
  On Thu, 2015-01-15 at 19:09 +0100, Andre Speelmans wrote:
  On Thu, Jan 15, 2015 at 3:40 AM, Matthew Saltzman m...@clemson.edu wrote:
   SSLLabs reports a couple of servers of mine have SSL v3 enabled and are
   vulnerable to POODLE.  I followed instructions for Apache httpd at
   https://scotthelme.co.uk/sslv3-goes-to-the-dogs-poodle-kills-off-protocol/,
but that does not seem to cure the problem.
   SSLLabs still reports the servers as vulnerable.  Does anyone know what 
   I'm missing?
 
  Given that you are on the university network, are you sure there is no
  proxy in between and that SSLLabs is testing the proxy?
 
  Good question.  One of the servers is actually outside the university
  firewall, so I *thinK* that's not an issue, at least for that machine.
  I'm pretty sure that machines on the campus network are behind a network
  firewall, but not behind a campus proxy.
 
 Perhaps a simple way to test it would be to disable TLS in your
 browser and try connecting to them? As you are inside the campus
 network, you would probably not hit a proxy and if you only accept SSL
 and not TLS, the connection should fail.
 In firefox I would set security.tls.version.min to 10 or so and see
 what happens. Note: I have not actually tried it, but I think that
 would do the trick.

Thanks for the suggestion.  Changing the min (and fallback-limit,
because I didn't know what that did) to 10 does not cause a failure to
connect.  So either (a) the server change didn't take or (b) the browser
change didn't take or (c) I need to do something else in the browser to
force SSLv3.

Still confused...

-- 
Matthew Saltzman
Clemson University Math Sciences
mjs AT clemson DOT edu
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Re: Swapping to a large sparse file

[jd1008]

On 01/16/2015 01:57 PM, Chris Murphy wrote:

On Fri, Jan 16, 2015 at 1:08 PM, jd1008 jd1...@gmail.com wrote:

Can it be done?

So far, swapon says:
swapon: /var/swapfile: skipping - it appears to have holes.

I was hoping that the kernel's swapper would allow the filesystem to
allocate
real blocks to the sparse file when they are needed rather than check
up front to see if they already exist.

Maybe the devs can have a look and see if they can modify the swapper to
allow sparse swap files??

No the issue is that the swap code doesn't actually write through the
file system. Essentially it gets the LBA range of the file from the
file system, and then asserts direct control to write to those blocks.
And in this case the sparse file has no real blocks so swapon fails.

It's similar problem to swapfiles on NFS and Btrfs. There are patches
floating around to get this working on NFS that Btrfs was also going
to leverage. I don't know the status of that work,  it seems a bit
stalled to me.

You could probably create a sparsefile to back a loop device, and then
specify the loop device as swap. But reports are this will be slower
than a swapfile.




Thank you Chris.
Yes, it works if I losetup /dev/loop? as the device.

Reason I asked, is that I just upgraded my laptop to 8GB ram
and I really do not want to have to repartition the drive to have a
larger swap space and restore everything from backup.

In older traditional practices, swap space was normally
about twice the ram size. Today, with some systems having
64 and even 128GB and even larger RAM, it becomes interesting
how big swap space should be. Where is the cutoff for performance?
Paging in and out 128GB memory space could prove to be itself a
performance bottleneck on very busy or memory bound servers.

Cheers,

JD

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Re: Swapping to a large sparse file

[John Morris]

On Fri, 2015-01-16 at 13:08 -0700, jd1008 wrote:
 Can it be done?
 
 So far, swapon says:
 swapon: /var/swapfile: skipping - it appears to have holes.
 ...
 Maybe the devs can have a look and see if they can modify the swapper to
 allow sparse swap files??
 

There is a reason why it acts like it does.  The system would panic if
it tried and failed to allocate blocks when it needed them and the drive
was full.  The whole point is that swap is treated 'like ram, only
slower' and thus it is not prepared for it to be in a 'quantum' state
until the moment of actual use.


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Adding shortcut to desktop

[Alex Regan]

Hi,

I have a fedora21 desktop that I'm building for my father-in-law and 
have installed gnome-tweak-tool to enable icons on the desktop. Now, I'd 
like to add an icon on the desktop to automatically start a qemu 
instance of windows7. I'd even settle for an icon that opens 
virt-manager in such a way as to be able to start the instance.


How about adding it to the menu that appears when you move the mouse all 
the way to the left?


I found this link at gnome.org but I can't believe that it's still this 
hard for an end-user (my father-in-law) to add links to his own programs?


https://developer.gnome.org/integration-guide/stable/desktop-files.html.en

Maybe there's a desktop that isn't so deficient?

Any ideas greatly appreciated.
Thanks,
Alex
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Re: Adding shortcut to desktop

[Erik Grun]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Am 17.01.2015 um 00:35 schrieb Alex Regan:
 Hi,
 
 I have a fedora21 desktop that I'm building for my father-in-law
 and have installed gnome-tweak-tool to enable icons on the desktop.
 Now, I'd like to add an icon on the desktop to automatically start
 a qemu instance of windows7. I'd even settle for an icon that
 opens virt-manager in such a way as to be able to start the
 instance.
 
 How about adding it to the menu that appears when you move the
 mouse all the way to the left?
 
 I found this link at gnome.org but I can't believe that it's still
 this hard for an end-user (my father-in-law) to add links to his
 own programs?
 
 https://developer.gnome.org/integration-guide/stable/desktop-files.html.en

Sorry
 
that I can't help you with this particular problem. (I'm using
XFCE/dwm)
But maybe you could use the gnome-fallback mode.

 Maybe there's a desktop that isn't so deficient?
 

Or maybe you want to try another desktop environment like Mate or
Cinnamon.
They look quite like Windows and I think your father-in-law can work
with them without any big help from you.
XFCE could also be a choice. Adding shortcuts to the desktop is quite
easy.

- --Erik
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Re: NETDEV WATCHDOG: internal(r8152): transmit queue 0 timed out

[sean darcy]

On 01/16/2015 07:09 AM, poma wrote:

On 16.01.2015 10:37, Hayes Wang wrote:

  poma [mailto:pomidorabelis...@gmail.com]

Sent: Friday, January 16, 2015 4:25 PM

[...]

This looks like a USB problem. Is there a way to get usb (or
NetworkManager) to reinitialize the driver when this happens?


I would ask these people for advice, therefore.


Our hw engineers need to analyse the behavior of the device.
However, I don't think you have such instrument to provide
the required information. If we don't know the reason, we
couldn't give you the proper solution. Besides, your solution
would work if and only if reloading the driver is helpful.

The issue have to debug from the hardware, and I have no idea
about what the software could do before analysing the hw. Maybe
you could try the following driver first to check if it is useful.

http://www.realtek.com.tw/downloads/downloadsView.aspx?Langid=2PNid=13PFid=56Level=5Conn=4DownTypeID=3GetDown=false

Best Regards,
Hayes



Thanks for your response, Mr. Hayes.

Mr. Sean, please download and check if timeout is still present with built 
RTL8153 module from REALTEK site, as Mr. Hayes proposed.
http://www.realtek.com.tw/downloads/downloadsView.aspx?Langid=2PNid=13PFid=56Level=5Conn=4DownTypeID=3GetDown=false#2
r8152.53-2.03.0.tar.bz2

Procedure - should be equal for both, Fedora 21  20:

$ uname -r
3.17.8-300.fc21.x86_64

$ su -c 'yum install kernel-devel'

$ tar xf r8152.53-2.03.0.tar.bz2
$ cd r8152-2.03.0/
$ make
$ su

# cp 50-usb-realtek-net.rules /etc/udev/rules.d/
# udevadm trigger --action=add

# modprobe -rv r8152
# cp r8152.ko /lib/modules/$(uname -r)/updates/
# depmod
# modprobe -v r8152


poma

OK. Did all that. Now to see if I get the same problem over the next 
couple of weeks.


I'd never heard about the updates subfolder in modules. Very slick.

But when I update the kernel, I get to do this again correct? How will I 
know that this module has been incorporated in the running kernel. 
modinfo doesn't give any version info.


BTW, I'm not sure what modprobe --dump-modversions is supposed to do, 
but it doesn't:


#modprobe --dump-modversions r8152
modprobe: FATAL: Module r8152 not found.
# modprobe --dump-modversions r8152.ko
modprobe: FATAL: Module r8152.ko not found.
#lsmod | grep 8152
r8152  49646  0

Thanks for all your help.

sean

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Re: swapping

[Gordon Messmer]

On 01/15/2015 11:28 PM, Heinz Diehl wrote:

Selinux requires at least basic knowledge and administration. Most of
the people I installed Linux for didn't even know it was there or what
it's good for.


If you do not use file system permissions for something useful,
chmod -R a+w /

File system permissions require at least basic knowledge and 
administration.  Most of the people I installed Linux for don't even 
know what they're good for.


If your computer is single-user anyway, why does it need a security 
subsystem?



*eyeroll*
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Re: MC Midnight Commander: error opening PDF files refers to Dolphin

[A.J. Bonnema]

On 16-01-15 19:44, poma wrote:



This works for me.

$ cp /etc/mc/mc.ext ~/.config/mc/

$ sed -i 's/\/usr\/libexec\/mc\/ext.d\/doc.sh open pdf/\
xpdf ${MC_EXT_FILENAME} \/dev\/null 2\1 \/g' ~/.config/mc/mc.ext

$ grep xpdf ~/.config/mc/mc.ext
xpdf ${MC_EXT_FILENAME} /dev/null 21 

If this doesn't work for you, start over with a clean user environment.




Hey Poma,

Thanks. That did it. Although I just inserted it by hand without sed. 
Now I changed it to okular cause that is what I normally work with.

Still weird that only this user has this problem.

Anyway, thanks for pointing the way.

Kind regards, Guus.
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Re: Swapping to a large sparse file

[John Morris]

On Fri, 2015-01-16 at 14:26 -0700, jd1008 wrote:

 In older traditional practices, swap space was normally
 about twice the ram size. Today, with some systems having
 64 and even 128GB and even larger RAM, it becomes interesting
 how big swap space should be. Where is the cutoff for performance?
 Paging in and out 128GB memory space could prove to be itself a
 performance bottleneck on very busy or memory bound servers.

My advice is don't bother unless you know you need it.  I find 512MB or
1GB to be plenty of swap.  You need some swap just so the system can
ditch memory that was used once to initialize code but isn't accessed
again and other similar things that can be safely tossed to swap and
forgot about.  But if the system is actually swapping hundreds of
megabytes in and out you will quickly be in a world of pain.  Plus most
of the time when that sort of memory pressure hits it is a runaway
process that the OOM killer will eventually take out and having a lot of
swap only increases how long you suffer with an almost totally
unresponsive machine until that happens.  If you are swapping and it
isn't a runaway process or an exception to process a one off huge
dataset it is a sign you need to bite the bullet and get more ram.  If
you know you are going to need a lot of swap to get through some script
you banged out that allocates memory like mad, just add an extra
swapfile on a temporary basis and drop it when you are done.  You are
allowed to have multiple swap files, partitions or any combination of
them within sensible limits.


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Re: Swapping to a large sparse file

[jd1008]

On 01/16/2015 07:11 PM, John Morris wrote:

On Fri, 2015-01-16 at 14:26 -0700, jd1008 wrote:


In older traditional practices, swap space was normally
about twice the ram size. Today, with some systems having
64 and even 128GB and even larger RAM, it becomes interesting
how big swap space should be. Where is the cutoff for performance?
Paging in and out 128GB memory space could prove to be itself a
performance bottleneck on very busy or memory bound servers.

My advice is don't bother unless you know you need it.  I find 512MB or
1GB to be plenty of swap.  You need some swap just so the system can
ditch memory that was used once to initialize code but isn't accessed
again and other similar things that can be safely tossed to swap and
forgot about.  But if the system is actually swapping hundreds of
megabytes in and out you will quickly be in a world of pain.  Plus most
of the time when that sort of memory pressure hits it is a runaway
process that the OOM killer will eventually take out and having a lot of
swap only increases how long you suffer with an almost totally
unresponsive machine until that happens.  If you are swapping and it
isn't a runaway process or an exception to process a one off huge
dataset it is a sign you need to bite the bullet and get more ram.  If
you know you are going to need a lot of swap to get through some script
you banged out that allocates memory like mad, just add an extra
swapfile on a temporary basis and drop it when you are done.  You are
allowed to have multiple swap files, partitions or any combination of
them within sensible limits.



Well, I need at least 8GB of swap if I want to hibernate, and often
I need to hibernate so I can let an important app continue where
it left off (apps that do not depend on an internet continuous connection)
.

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Re: swapping

[John Morris]

On Fri, 2015-01-16 at 16:31 -0800, Gordon Messmer wrote:

 If your computer is single-user anyway, why does it need a security 
 subsystem?
 *eyeroll*

That actually isn't as crazy as you seem to think.  Security should
always be seen as tradeoff between the cost of the security vs the
potential loss and the odds of a breech.  Seen in that light simply
disabling permissions could indeed be justified under some conditions.
But there are some important differences between SELinux and the UNIX
model,

1.  You can teach a total newb (assuming IQ over room temp) the basics
of the UNIX permissions system in under an hour and every admin is
expected to know pretty much all details of it.  Nobody understands
SELinux beyond a few developers at RedHat and the NSA.  Even after
reading the O'Reilly book since it is already obsolete.  Contrast to the
UNIX model that hasn't changed in longer than the median age of the
typical Linux user and has extensive documentation that is accurate.

2.  The UNIX security model is integral to UNIX and Linux.  SELinux
exists almost entirely outside the normal filesystems and toolset.
Normal tools rarely preserve SELInux attributes when taking backups or
transferring files between machines.  RPM only partially understands it
after it being a standard feature for a decade.

3.  Any machine configured even slightly differently than the RH devels
expected -WILL- break SELinux.  Or I have just been very very unlucky on
multiple occasions.  Unless one is, or has access to, one of the
extremely limited number of SELinux experts the best solution is to
simply disable it when it breaks.  Doubly so if the machine in question
isn't a server.

4.  Consider the points above and realize SELinux has been a mandatory
at install time feature on Fedora even longer than PulseAudio, and
neither are even close to being reliable... yet were pushed into
production and removal apparently isn't a topic for civilized
discussion.  At what point is it legitimate to question the wisdom of
this?



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Re: C/C++ Compiler Invalidly Turning Warnings into Errors? - Realtek RTL8811AU USB WiFi

[Stephen Morris]

On 01/16/2015 08:38 AM, Stephen Morris wrote:

On 01/15/2015 11:46 PM, poma wrote:

On 15.01.2015 08:50, Stephen Morris wrote:

I have a driver for a wifi usb device that I need to compile because
there are no drivers in the kernel, which has been obtained from the
vendor of the device. When I attempt to compile the code the compile
fails on the grounds that some warnings are being translated into
errors. From my perspective these errors should not be happening
because, when a debugging module wants to time stamp the build, that is
not an error and is perfectly acceptable. How do I get the compiler to
stop producing these errors. The messages I get are listed below.

Authentication requested [root] for make driver:
make ARCH=x86_64 CROSS_COMPILE= -C
/lib/modules/3.17.8-300.fc21.x86_64/build
M=/usr/local/downloads/dlink/RTL8812AU_linux_v4.3.2_11100.20140411/driver/rtl8812AU_linux_v4.3.2_11100.20140411 


modules
make[1]: Entering directory '/usr/src/kernels/3.17.8-300.fc21.x86_64'
CC [M]
/usr/local/downloads/dlink/RTL8812AU_linux_v4.3.2_11100.20140411/driver/rtl8812AU_linux_v4.3.2_11100.20140411/core/rtw_cmd.o 


CC [M]
/usr/local/downloads/dlink/RTL8812AU_linux_v4.3.2_11100.20140411/driver/rtl8812AU_linux_v4.3.2_11100.20140411/core/rtw_security.o 


CC [M]
/usr/local/downloads/dlink/RTL8812AU_linux_v4.3.2_11100.20140411/driver/rtl8812AU_linux_v4.3.2_11100.20140411/core/rtw_debug.o 

/usr/local/downloads/dlink/RTL8812AU_linux_v4.3.2_11100.20140411/driver/rtl8812AU_linux_v4.3.2_11100.20140411/core/rtw_debug.c: 


In function ‘dump_drv_version’:
/usr/local/downloads/dlink/RTL8812AU_linux_v4.3.2_11100.20140411/driver/rtl8812AU_linux_v4.3.2_11100.20140411/core/rtw_debug.c:66:64: 


error: macro __DATE__ might prevent reproducible builds
[-Werror=date-time]
DBG_871X_SEL_NL(sel, build time: %s %s\n, __DATE__, __TIME__);
^
/usr/local/downloads/dlink/RTL8812AU_linux_v4.3.2_11100.20140411/driver/rtl8812AU_linux_v4.3.2_11100.20140411/core/rtw_debug.c:66:1: 


error: macro __TIME__ might prevent reproducible builds
[-Werror=date-time]
DBG_871X_SEL_NL(sel, build time: %s %s\n, __DATE__, __TIME__);
   ^
/usr/local/downloads/dlink/RTL8812AU_linux_v4.3.2_11100.20140411/driver/rtl8812AU_linux_v4.3.2_11100.20140411/core/rtw_debug.c:66:1: 


error: macro __DATE__ might prevent reproducible builds
[-Werror=date-time]
/usr/local/downloads/dlink/RTL8812AU_linux_v4.3.2_11100.20140411/driver/rtl8812AU_linux_v4.3.2_11100.20140411/core/rtw_debug.c:66:1: 


error: macro __TIME__ might prevent reproducible builds
[-Werror=date-time]
/usr/local/downloads/dlink/RTL8812AU_linux_v4.3.2_11100.20140411/driver/rtl8812AU_linux_v4.3.2_11100.20140411/core/rtw_debug.c:66:1: 


error: macro __DATE__ might prevent reproducible builds
[-Werror=date-time]
/usr/local/downloads/dlink/RTL8812AU_linux_v4.3.2_11100.20140411/driver/rtl8812AU_linux_v4.3.2_11100.20140411/core/rtw_debug.c:66:1: 


error: macro __TIME__ might prevent reproducible builds
[-Werror=date-time]
cc1: some warnings being treated as errors
scripts/Makefile.build:257: recipe for target
'/usr/local/downloads/dlink/RTL8812AU_linux_v4.3.2_11100.20140411/driver/rtl8812AU_linux_v4.3.2_11100.20140411/core/rtw_debug.o' 


failed
make[2]: ***
[/usr/local/downloads/dlink/RTL8812AU_linux_v4.3.2_11100.20140411/driver/rtl8812AU_linux_v4.3.2_11100.20140411/core/rtw_debug.o] 


Error 1
Makefile:1377: recipe for target
'_module_/usr/local/downloads/dlink/RTL8812AU_linux_v4.3.2_11100.20140411/driver/rtl8812AU_linux_v4.3.2_11100.20140411' 


failed
make[1]: ***
[_module_/usr/local/downloads/dlink/RTL8812AU_linux_v4.3.2_11100.20140411/driver/rtl8812AU_linux_v4.3.2_11100.20140411] 


Error 2
make[1]: Leaving directory '/usr/src/kernels/3.17.8-300.fc21.x86_64'
Makefile:1350: recipe for target 'modules' failed
make: *** [modules] Error 2
##
Compile make driver error: 2
Please check error Mesg
##



$ sed -i '/uninitialized/ i\EXTRA_CFLAGS += -Wno-error=date-time' 
Makefile


If it crashes, try your luck with these:

$ git clone https://github.com/gnab/rtl8812au.git
$ cd rtl8812au/
...
$ git clone https://github.com/abperiasamy/rtl8812AU_8821AU_linux.git
$ cd rtl8812AU_8821AU_linux/
...
$ make
$ su
# cp 8812au.ko /lib/modules/$(uname -r)/updates/
# depmod
# modprobe -v 8812au
Thanks poma, I'll check these out. The git source might be better than 
what I have at the moment as the vendor source I have seems to be 
requiring kernel config parameters that appear to not be active in the 
kernels I am using.


I've compiled the code and after copying the compiled module and running 
the modprobe the device immediately connected. I'll run a few more tests 
and try a reboot to see if it still works successfully.
I am assuming that I will need to perform all these steps everytime the 
kernel is upgraded, would that be correct?






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Issue with reinstall live image to same disk

[David Highley]

Installed Fedora 21 live image to disk. Now we want to reinstall to the
same disk but it does not show up in the storage selection. Wiped
partitions with fdisk hoping that would make it work. Next cat'd file to
raw device to wipe or corrupt the MBR. Still no joy. How in H do you get
the live image installer to find the disk you want to install to? Bye
the way this is not a new issue as we have run into this problem in the
past but never found a solution to it. We always had to go to another
install method which is very painful and time consuming.
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Re: Cannot boot laptop due to video driver

[Robin Laing]

On 2015-01-16 10:07, Doug wrote:

On 01/16/2015 01:20 AM, Robin Laing wrote:

Hello,

I am trying to help my child whom is across the country repair their
laptop after installing the wrong video driver.  They can boot into
emergency mode but not any of the other kernels.

During booting into the system, the boot process stops close to the
point of starting KDM.

We tried the following the guides on the net to remove the bad package
and keep getting stuck.

Tried to modify grub2 during boot to try booting into single mode and
that didn't work or we put the single in the wrong place.

A link that I can send them on how to use yum to remove the driver
from emergency mode or get into single user mode would be appreciated.

Either that or instructions on how to do either.

I told them to ask around the computer club as someone there might be
able to help them instead of me trying over the phone.

Current Fedora documentation for using the rescue mode is very sparse.

Tried the procedures on this page with no success.  They said that
they couldn't get the chroot command to work.  They may have typed
something wrong because it was very late.  Going to deal with it
tomorrow (Friday).

http://docs.fedoraproject.org/en-US/Fedora/16/html/Installation_Guide/rescuemode_drivers.html





I would think a live disk (from any version of Linux) would allow them
to access anything on the failed system and modify it.
It would help if you have enough information about the computer and its
video card to tell them what they need to do,
specifically.

--doug




I agree that a live disk/usb would be the tool but that is hard to get 
at the wee hours of the morning and no other computer in use.


I did get it fixed.

Thanks for the comments.
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Re: Issue with reinstall live image to same disk

[David Highley]

David Highley wrote:
 
 Installed Fedora 21 live image to disk. Now we want to reinstall to the
 same disk but it does not show up in the storage selection. Wiped
 partitions with fdisk hoping that would make it work. Next cat'd file to
 raw device to wipe or corrupt the MBR. Still no joy. How in H do you get
 the live image installer to find the disk you want to install to? Bye
 the way this is not a new issue as we have run into this problem in the
 past but never found a solution to it. We always had to go to another
 install method which is very painful and time consuming.

Figured it out. There was a command wipefs we did not know about which
got us part way there, but not quite all the way. After doing a wipefs
-af, forced all the device would show up in the selection and we could
configure partitioning but then the install would crash. The device is
raid 1 SSD and the raid was corrupted by the wipe so we had to use the
bios raid utility to delete and recreate the raid.

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Re: Cannot boot laptop due to video driver

[Robin Laing]

On 2015-01-16 00:55, poma wrote:

On 16.01.2015 07:20, Robin Laing wrote:

Hello,

I am trying to help my child whom is across the country repair their
laptop after installing the wrong video driver.  They can boot into
emergency mode but not any of the other kernels.

During booting into the system, the boot process stops close to the
point of starting KDM.



It is *boot*-ing OK, only the *init*-ialization of the userspace service - in 
your case display/login manager(KDM), doesn't work.
KDM depends on the X server, which in turn depends on functional X video module 
*and* kernel video module.
You should deal with modules within 'multi-user.target'. i.e. non-graphical 
user environment and shouldn't touch the configuration of the boot loader, at 
all.




It was the wee hours of the morning for my child and I am not that 
familiar with the new systemd commands and couldn't figure out how to 
get into a single or multi-user with no X.  The boot process didn't 
leave things at a terminal window or allow ctrl+alt+F{x} to work. 
Basically it was reboot to do anything.


Emergency mode didn't work as per the documentation with chroot and 
being so late, it was easier to take sometime to read up on it.  The 
laptop wasn't needed until Saturday.


Some searching later and found that I was close last night, just didn't 
know the correct services command to run.


I think this would be beneficial in the Fedora documentation and I am 
willing to write it for addition.


What we ended up doing.

1.  On boot, we paused grub and in the edit mode added single to the 
end of the vmlinuz line.

linux/vmlinuz-3.17.7-300 ... single

2.  Once booted into emergency mode, entered the root password.

3.  Started Network Manager with
systemctl start NetworkManager.service

This started the network but it wasn't working wireless or wired.  The 
only wired connection was for a different network with a static IP and 
different gateway IP.


4.  Listed the connections
nmcli  connection show

5.  Created a new network connection with
nmcli connection edit con-name name of new connection
where the ethernet port was used and ipv4 selected.  Saved on quit.

6.  Restarted Network Manager (not sure if this step was needed or not)
systemctl  restart NetworkManager.service

7.  On restart, Network Manager selected the wrong connection again. 
Started the correct one.

nmcli  connection down id wrong connection name
nmcli connection up id new connection name

8.  Tested network connections to see if DHCP had worked and it did.  We 
used ping tests to 8.8.8.8 (Google public name server) and ping 
Google.ca for a DNS test.


9.  Use RPM to find the problem driver.
rpm -qa | grep nvidia

10. Used yum to erase the problem driver
yum erase problem driver

11. Rebooted
shutdown -r now

And all is well on the reboot.

I have to find time to learn systemd better.

Hope this helps someone else.

Robin



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Fedora-21 vs NFS

[Jonathan Ryshpan]

I have just upgraded amito, the client from Fedora-20 to Fedora-21.  The
server, weather, is still running Fedora-20.  After the upgrade, an
attempt by amito to nfs mount a filesystem on weather fails with an
access denial by by weather.  Before the upgrade, everything worked
fine.

It looks like the mount should succeed, since showmount indicates that
the export from weather is OK.  Nevertheless it fails.  How can I debug
this?  I'm pretty much an NFS newbie.

Here is the relevant info:

[root@amito jonrysh]# cat /etc/fstab
#
# /etc/fstab
# Created by anaconda on Sun Jan  4 19:54:47 2015
#
# Accessible filesystems, by reference, are maintained under '/dev/disk'
# See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more
info
#
/dev/mapper/fedora00-root /   ext4
defaults1 1
UUID=7e3eb9f4-44eb-4120-8593-5570190feded /boot   ext4
defaults1 2
/dev/mapper/fedora00-home /home   ext4
defaults1 2
/dev/mapper/fedora00-Windows  /srv/c  vfat
shortname=winnt 0 0
/dev/mapper/fedora00-swap swapswap
defaults0 0

# NFS Mounts
weather:/ /srv/weathernfs4
users,defaults  0 0
weather:/var  /srv/weather/varnfs4
users,defaults  0 0
[root@amito jonrysh]# ls -l /srv
total 36
drwxr-xr-x. 11 root root 32768 Dec 31  1969 c
drwxr-xr-x.  2 root root  4096 Jan 16 22:01 weather
[root@amito jonrysh]# showmount -e weather
Export list for weather:
/home amito.gateway.2wire.net
/ amito.gateway.2wire.net
[root@amito jonrysh]# mount /srv/weather
mount.nfs4: access denied by server while mounting weather:/

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Re: swapping

[Tim]

On Fri, 2015-01-16 at 08:28 +0100, Heinz Diehl wrote:
 Selinux requires at least basic knowledge and administration.

I can't agree with that.  In general, it requires none.  The average
user doesn't have to do anything, it just does what it's supposed to do.
They're not likely to even know it's there until a warning pops up about
something, which shouldn't happen unless there's a fault, or the user is
doing something they shouldn't do.  In which case, the right answer is
sort out what's going wrong, not shoot the messenger.


-- 
tim@localhost ~]$ uname -rsvp

Linux 3.17.8-200.fc20.i686 #1 SMP Fri Jan 9 00:01:03 UTC 2015 i686

All mail to my mailbox is automatically deleted, there is no point trying
to privately email me, I will only read messages posted to the public lists.

George Orwell's '1984' was supposed to be a warning against tyranny, not
a set of instructions for supposedly democratic governments.

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[SOLVED] Re: X server not starting on boot

[Raman Gupta]

On 01/16/2015 02:18 PM, Raman Gupta wrote:
 My X server is no longer starting at boot time. Plymouth simply stops
 and X does not start.
 
 I use the open source ATI radeon drivers on a fully updated Fedora 21
 system. systemctl status kdm.service reports that the X server failed
 to start:
 
 Jan 16 13:16:02 host kdm[1885]: X server for display :0 terminated
 unexpectedly
 
 But /var/log/Xorg.0.log contains absolutely no errors
 [...]

Switching to sddm as display manager rather than kdm, which is the
default in Fedora 21 for KDE, solves the problem. I don't know why.

Regards,
Raman

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[F21] NetworkManager won't connect

[Marco Guazzone]

Hello,

I have connectivity problem since the last two updates of NM.
Specifically, when I boot the system and I log in in the graphical
environment (XFCE in my case), the NM applet continuesly animates,
trying to connect to my network.
I can wait any time (actually I've tried for a max waiting time of 10
minutes), but NM seems to have trouble to connect.
In order to connect I have to:
1. Right-click on the NM applet and deselect Enable Networking. The
applet stops animating
2. Again, right-click on the NM applet and re-select Enable
Networking. Now, NM successfully connects to the network.

Am I alone to experience such problem?

The NM version is 0.9.10.1-1.2.20150109git for Fedora 21 x86_64

Cheers,

-- Marco
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