While there is a workaround available, it is technically not fixed. So
reopening...
** Changed in: linux (Ubuntu)
Status: Expired => Confirmed
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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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It sounds like a hardware-specific issue Intel has been trying to work
around for many years, if it's related to:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b29ec92c4f5e6d45d8bae8194e664427a01c6687
(Braswell and Cherryview use the same Intel GPU)
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** Changed in: linux (Ubuntu)
Status: Incomplete => New
** Tags added: braswell
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https://bugs.launchpad.net/bugs/1943083
Title:
[i915] [Braswell] screen flashes
Good catch. That workaround does the trick. No flashing anymore. Thanks
Daniel.
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https://bugs.launchpad.net/bugs/1943083
Title:
[i915] [Braswell] screen flashes black
Please try this as a workaround:
MUTTER_DEBUG_ENABLE_ATOMIC_KMS=0
in /etc/environment, and reboot.
** Summary changed:
- [i915] [Braswell] screen flashes black (mouse pointer stays visible) when
moving mouse pointer to the left edge of the screen
+ [i915] [Braswell] screen flashes black
I installed an older GNU/Linux 5.10.51-051051-generic x86_64 kernel but
the problem remained. Maybe I should have gone with an even older
kernel, I don't know.
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Hello Daniel!
Sorry for the late reply. The requested log is attached.
"Sep 26 17:47:05 amano-desktop gnome-shell[41942]: Failed to post KMS update:
drmModeAtomicCommit: Das Argument ist ungültig
Sep 26 17:47:05 amano-desktop gnome-shell[41942]: Page flip discarded:
drmModeAtomicCommit: Das
This reminds me of bug 1935901 and bug 1767654 but isn't quite the
same...
Next time the problem happens please run:
journalctl -b0 > journal.txt
and attach the resulting text file here.
Also it might be helpful to see if you can find kernel versions older
than 5.13 that don't have the bug:
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