If the system is upgraded from 16.04, there should be some older kernels
still in your system. See if those kernels still work.
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https://bugs.launchpad.net/bugs/1794995
The drivers in staging won't get loaded when lockdown is enabled to
provide safety. There's a list to override behavior though.
The r8822be in its current form defaults to enable debugfs, which can be less
secure as it exposes and extra interface to userspace. But we are not sure if
the driver
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v5.20-rc2 kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not
[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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** Description changed:
This bug is for tracking the upload package. This
bug will contain status and testing results related to that upload.
For an explanation of the tasks and the associated workflow see:
https://wiki.ubuntu.com/Kernel/kernel-sru-workflow
backports: bug 1811407
** Summary changed:
- linux: -proposed tracker
+ linux: 4.18.0-14.15 -proposed tracker
** Changed in: kernel-sru-workflow/prepare-package
Status: Confirmed => In Progress
** Changed in: kernel-sru-workflow/prepare-package
Assignee: Canonical Kernel Team (canonical-kernel-team) =>
** Changed in: kernel-sru-workflow/snap-release-to-stable
Status: New => Invalid
** Description changed:
This bug is for tracking the upload package. This
bug will contain status and testing results related to that upload.
For an explanation of the tasks and the associated
** Summary changed:
- linux: -proposed tracker
+ linux: 4.15.0-44.47 -proposed tracker
** Changed in: kernel-sru-workflow/prepare-package
Status: Confirmed => In Progress
** Changed in: kernel-sru-workflow/prepare-package
Assignee: Canonical Kernel Team (canonical-kernel-team) =>
Same problem here:
Lenovo ThinkPad T410s
Intel i5 (1st gen, 2.53Ghz)
NVidia NVS3100M graphics
Kernel 4.4 in 16.04 idles at 35°C - 37°C (fresh, high-quality thermal
paste applied a week ago).
Kernel 4.15 in 18.04 idles at 48°C - 52°C.
Only Dropbox and Megasync in the background; htop shows very
Hui Wang,
BTW, in case the sound card distinguishes between headphone out and line
out modes, thus may be relevant: my headphones have impedance of 70Ω.
Vadim.
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A workaround I found from here (https://askubuntu.com/questions/1070862
/ubuntu-server-18-04-graphics-in-console-is-extremely-slow)
sudo vim /etc/default/grub
uncomment GRUB_GFXMODE=640x480 and change to GRUB_GFXMODE=1027x768
then
sudo update-grub
Next disable ast driver
sudo vim
This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1811595
and then change the status of the bug to 'Confirmed'.
If, due to the
I can no longer reproduce this with newer Xubuntu Bionic Daily images,
the guest is booting normally with 4.15.0-43.
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https://bugs.launchpad.net/bugs/1810108
Title:
Public bug reported:
Running 18.04 off a boot usb stick works flawlessly, however after a
clean install the login screen is very laggy and once I enter my
password the screen resolution is all messed up and unreadable.
If I reboot and hold down shift to get the Grub menu and choose Advanced
then
Created attachment 280449
Add IC_INFO(a99e, 826c) to load rtl8821c firmware
With this patch, it has been working fine for a week using Bluetooth
mouse.
Other things tested:
- File transfer
- A2DP Source
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** Attachment added: "trace.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1803929/+attachment/5228879/+files/trace.txt
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I was also able to reproduce this in kernels 4.4.0-139, -140 and -141. Kernel
4.4.0-138 worked fine.
On kernel 4.4.0-140, the freeze didn't occur instantly but after about 20
seconds, so I was able to capture a stacktrace.
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Same symptoms here and no nvidia GPU, only "simple" Intel.
Since this version, temp is very high. Between 70 and 80 by default, and
up to 90 and more with a youtube video and even more with a 3D game like
Minetest… and then it shutdowns (like max 5-10min on Minetest).
It was clearly not the case
Public bug reported:
After a sequence of the following commands:
nvidia-smi
Command 'nvidia-smi' not found, but can be installed with:
sudo apt install nvidia-340
sudo apt install nvidia-utils-390
-
sudo apt install nvidia-340 (installed)
sudo apt install nvidia-utils-390
** Description changed:
MacBook keyboards and other Apple keyboards lack a SysRq key and
therefore lack important kernel functionality that is designed to save
catastrophic data loss if the computer freezes. An equivalent keystroke
should be assigned, for example Fn + Eject, to preserve
@sforshee: No, wifi had been stable on Bionic before that. Somehow it seems
quite stable again now. I got this laptop in September, so I installed Bionic
directly.
I have checked my syslog, and I don't see the microcode loading errors anymore.
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This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1811566
and then change the status of the bug to 'Confirmed'.
If, due to the
No need of logs, as is reported and fixed upstream
** Changed in: linux (Ubuntu)
Status: Incomplete => New
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https://bugs.launchpad.net/bugs/1811566
Title:
This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1811566
and then change the status of the bug to 'Confirmed'.
If, due to the
** Tags added: regression
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https://bugs.launchpad.net/bugs/1811566
Title:
Backported commit breaks audio (fixed upstream)
Status in linux package in Ubuntu:
Incomplete
Public bug reported:
It seems that commit 648e921888ad96ea3dc922739e96716ad3225d7f was
backported to ubuntu's 4.18 kernel. That commit breaks audio for some
devices (chromebook gnawty) (from 4.19 on). Now 4.19, 4.20, 5.0 are
fixed, with patch on commit:
47148001ae12292984ba1b38d9babefb9a46cd3e
I did, it didn't work I forgot to mention
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https://bugs.launchpad.net/bugs/1810861
Title:
USB type C audio adapter (from a Pixel 3) doesn't produce any sound
Status in
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