Great! Thanks for testing.
** Changed in: linux-firmware (Ubuntu)
Status: Incomplete => Fix Released
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Title:
[rtl8821a] Ubuntu 16.04
It is wonderful news! It works - I can now find two devices!
Whether I can work out how to use them is another matter, but as far as I can
see the bug is fixed.
Thanks for your efforts.
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Just do:
sudo apt update
sudo apt install linux-firmware
sudo apt full-upgrade
sudo reboot
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Title:
[rtl8821a] Ubuntu 16.04 can't find any
I hope that is good news!
How do I install the fix on my system - the link seems to be to source code?
I am very busy at the moment, and may not be able to do much testing
till next week.
On 10/07/18 02:42, Daniel van Vugt wrote:
> Yes that was released a few hours ago:
>
Yes that was released a few hours ago:
https://launchpad.net/ubuntu/+source/linux-firmware/1.157.20
George: as the original reporter can you confirm that today's update to
the 'linux-firmware' package has fixed it?
** Changed in: linux-firmware (Ubuntu)
Status: Confirmed => Incomplete
**
This is now working again as of Linux-Firmware 1.157.20 received today.
THANK YOU, THANK YOU, THANK YOU!!!
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Title:
[rtl8821a] Ubuntu 16.04
There hasn't been a bluez update to 16.04 since last year. And here
hasn't been a kernel update to 16.04 since last month; the same goes for
linux-firmware.
So I'm not sure what changed for you Zero. Are you using 16.04?
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Not sure if this is the same problem. Everything was working perfectly
until the massive update that came out last night. Now cannot find
internal Atheros BT adapter in Blueman-applet. It appears to allow me to
enable BT. Lights on but no one home. Linux firmware looks borked.
user@UX32VD:~$
I upgraded linux-firmware/1.157.16 to linux-firmware/1.157.17, which is
what I think is neede to fix bug 1747336, but it made no difference.
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See also bug 1747336, where a closely-related rtl bluetooth chip just
got a fix.
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Title:
[rtl8821a] Ubuntu 16.04 can't find any Bluetooth
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux-firmware (Ubuntu)
Status: New => Confirmed
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: bluez (Ubuntu)
Status: New => Confirmed
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Title:
** Description changed:
It is ON and VISIBLE in the control panel. My iPhone can see two other
devices but it can't see the computer, and the computer can't see
anything, even if left searching for tens of minutes.
The previous answers listed below suggest the following diagnostics
I guess the next step would be to try and find that
'rtl8821a_config.bin'. Although I don't know where to get it. It's
certainly missing from the 'linux-firmware' package, which is where I
would expect to see it.
** Changed in: bluez (Ubuntu)
Status: Incomplete => New
** Changed in: linux
#26. I have finally managed to boot Ubuntu 18.04. It makes no
difference.
#31. Setting AutoEnable=true makes no difference to the symptoms. If
including it in the config file requires subsequent modifications
elsewhere, it seems simpler to remove it.
There are four config files in
Sorry for missing your comment.
Please remove /lib/udev/rules.d/50-bluetooth-hci-auto-poweron.rules
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Title:
[rtl8821a] Ubuntu 16.04 can't find
Yes, same as in comment #20 with kernel 4.13
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Title:
[rtl8821a] Ubuntu 16.04 can't find any Bluetooth devices
To manage notifications about
If you have, AutoEnable=true, you need to remove the udev rule that
turns on HCI devices.
Also, you may need the config file, but I can't find it in upstream
linux-firmware:
[ 14.348128] Bluetooth: hci0: rtl: loading rtl_bt/rtl8821a_config.bin
[ 14.439245] bluetooth hci0: Direct
https://help.ubuntu.com/community/BurningIsoHowto
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Title:
[rtl8821a] Ubuntu 16.04 can't find any Bluetooth devices
To manage notifications
for Daniel
I have now downloaded "Ubuntu 18.04 LTS amd64", which appears on my desktop as
a bootable disc. but how do I boot it?
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Title:
~ >dmesg>dmesg.txt
** Attachment added: "dmesg.txt"
https://bugs.launchpad.net/ubuntu/+source/bluez/+bug/1745828/+attachment/5051467/+files/dmesg.txt
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Please attach dmesg under v4.15.1, thanks!
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Title:
[rtl8821a] Ubuntu 16.04 can't find any Bluetooth devices
To manage notifications about this
Thanks.
We'll need to try something different to see if this is now a bluez bug
rather than a kernel bug.
Please try downloading and just live booting (don't install) Ubuntu 18.04 from
here:
http://cdimages.ubuntu.com/daily-live/current/
If that works then please also try live booking (don't
I've now updated to kernel 4.15.1
~ >uname -a
Linux george-CM6330 4.15.1-041501-generic #201802031831 SMP Sat Feb 3 18:32:13
UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
It makes no difference to the symptoms.
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You just double-click on them and follow the instructions. If for some
reason that doesn't work then you can run 'dpkg -i '
Here are some new links that work:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.15.1/linux-
headers-4.15.1-041501_4.15.1-041501.201802031831_all.deb
I tried downloading these, bur got an errorr 404 - File not Found.
Supposing I had succeeded, how do I install them? Is it just
install
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You can install the kernel by just downloading and installing these
three:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.15/linux-headers-4.15.0-041500_4.15.0-041500.201801282230_all.deb
I am not sure how I go about installing the 4.15 kernel
I have used Synaptic package manager to upgrade linux-firmware to 1.157.15 and
the kernel to 4.13.0.32.52. Neither fixed the problem, but the kernal produced
a second Bluetooth icon on the task bar, with a different drop down menu.
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** Also affects: linux-firmware (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux-firmware (Ubuntu)
Status: New => Incomplete
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