Comment 7 for bug 1970869

Revision history for this message
dom21121 (dom21121) wrote : Re: [Bug 1970869] Re: random flashing, blinking screen

Hello,
After each flash/blink, I have this error in the log:

- kernel: i915 0000:00:02.0: [drm] *ERROR* CPU pipe A FIFO underrun -

cheers

Le 29/04/2022 à 21:37, DoB a écrit :
>
> After a little use of my laptop, I moderate my first impression, I
> notice less flash and blinking
>
> Cheers.
>
> Le 29/04/2022 à 19:29, DoB a écrit :
>>
>> Good evening,
>> I did the manipulation, see the attachment.
>> Sorry the bug persists...Sorry the bug persists...Sorry the bug
>> persists...But sorry the bug persists.
>> Thank you!
>>
>> Le 29/04/2022 à 08:49, Daniel van Vugt a écrit :
>>> Thanks for the bug report.
>>>
>>> Please try adding i915.enable_psr=0 to your kernel parameters
>>> (GRUB_CMDLINE_LINUX_DEFAULT) in /etc/default/grub and then run:
>>>
>>> sudo update-grub
>>>
>>> and reboot.
>>>
>>> Please tell us if that has fixed the problem, but regardless please also
>>> then run:
>>>
>>> journalctl -b0 > journal.txt
>>>
>>> and attach the resulting text file here.
>>>
>>>
>>> ** Changed in: gnome-shell (Ubuntu)
>>> Status: New => Incomplete
>>>
>>> ** Package changed: gnome-shell (Ubuntu) => linux (Ubuntu)
>>>
>>> ** Summary changed:
>>>
>>> - random flashing, blinking screen
>>> + [i915] random flashing, blinking screen
>>>
>>> ** Tags added: i915
>>>