Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux-signed-hwe-5.19 (Ubuntu)
Status: New => Confirmed
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Hello
I've created an issue on lenovo side, you can track it here :
https://forums.lenovo.com/t5/Ubuntu/System-freeze-with-
Ubuntu-22-04-to-23-04-on-P14s-gen3-AMD-version/m-p/5227346
To summarize, the only stable configuration I can get is to install lenovo oem
kernel on ubuntu 20.04, the latest
Hi Jean Francois, I'm having the same screen freeze problem. On Thursday
07-06-2023 I updated from 21.10 to 22.04 with kernel 5.19 and it started
to happen. I have downloaded to the one I used before, 5.15 and
everything seems to be fine
With 5.15 I didn't have that bug
Tell me, have you been ab
modifying the kernel command line this way (adding amdgpu.dcdebugmask=0x10)
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash amdgpu.dcdebugmask=0x10"
seems to give huge improvement
$> uptime -p
up 1 day, 14 hours, 31 minutes
NEW RECORD
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New freeze
No particular message in journalctl
The fan did not went high this time
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https://bugs.launchpad.net/bugs/2020656
Title:
system freeze (cpu fan go
I decided to upgrade to ubuntu 23.03 to see if a newer version of the
kernel change something
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https://bugs.launchpad.net/bugs/2020656
Title:
system freeze
new freeze after about 18h of uptime
last messages from journalctl -f (around 2 to 3 min before the freeze)
mai 26 10:38:46 jf-ThinkPad-P14s kernel: perf: interrupt took too long (3199 >
3165), lowering kernel.perf_event_max_sample_rate to 62500
mai 26 10:39:30 jf-ThinkPad-P14s gnome-keyring-dae
Go the message below, my vscode window (through ssh) is freezed but the
system is still running
# uptime -p
up 6 hours, 23 minutes
extract from journalctl -f
```
mai 25 18:51:32 jf-ThinkPad-P14s kernel: BUG: kernel NULL pointer dereference,
address: 0008
mai 25 18:51:32 jf-ThinkPad-
Sadly I managed to freeze it again.
I was testing some ssh parameters,
just did ssh -C -X onto the machine then launched a vscode and moved the mouse
quickly over the folder list.
No "watchdog: BUG: soft lockup" seen in journalctl
A reddit post mentions that with a lenove T14s (very similar to my
Digging the Internet I reached some posts/bugs that talked about a
problem with some amd cpu that hard time getting out of C6 power state.
So I applied one of the suggested workaround that is: prevent cpu to
enter C6 state so it won't have problem to exit ^^
For this purpose is used cpupower, mor
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