Comment #23 indeed helped. Sorry for the delay, I was away from home.
Not sure yet, which of the options is the one that actually helps.
thanks!
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P.S.
See also:
https://gitlab.freedesktop.org/drm/intel/-/issues/5569#note_1770070
And maybe try running this to fix the problem temporarily:
xrandr --output eDP-1 --off; sleep 3; xrandr --output eDP-1 --auto
** Bug watch added: gitlab.freedesktop.org/drm/intel/-/issues #5569
https://gitlab.fr
Maybe related:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1958191#yui_3_10_3_1_1676292775910_1524
Maybe these kernel boot parameters can workaround the problem:
intel_idle.max_cstate=2 i915.enable_dc=0 i915.enable_psr=0
(if cstate 2 doesn't help, try limiting cstate to 1 or even 0)
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Unforunately, this did not fully fix the problem. Although the screen
appears stable (unless shutting down), every now and then (around evern
20 Minutes) the screen shows a jerk.
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Interesting effect:
When the distortion is shown and I do plugin a second screen, then both
screens are working well. Obviously, some sort of reconfiguration
happens.
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Oh ... YES. :-)
At least at the relevant parts.
- X11 good with -40 and -43 :-)
- boot time text console good
- but console after X11 (when shutting down) still shows some jumping effect
- even after removing the nosplash option, I still get the text console instead
of graphical splash at boot t
Does kernel parameter 'intel_iommu=on' help?
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Title:
[Medion Akoya E3223] Latest kernel breaks LCD screen
Status in linux package i
** Attachment added: "dmesg 5.15.0-39"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1982479/+attachment/5606282/+files/dmesg_5.15.0-39-generic.txt
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** Attachment added: "dmesg 5.15.0-40"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1982479/+attachment/5606283/+files/dmesg_5.15.0-40-generic.txt
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There's no i915 commit between Ubuntu-5.15.0-39.42 and
Ubuntu-5.15.0-40.43.
Can you please attach dmesg under 5.15.0-39 and 5.15.0-40? Thanks!
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vmlinuz-5.15.0-43-generic still has the issue.
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Title:
[Medion Akoya E3223] Latest kernel breaks LCD screen
Status in linux package
5.15.0-39-generic
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Title:
[Medion Akoya E3223] Latest kernel breaks LCD screen
Status in linux package in Ubuntu:
Confirmed
Bug
So what's the last kernel version that doesn't have such issue?
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Title:
[Medion Akoya E3223] Latest kernel breaks LCD screen
Status
I just verified: 5.15.0-40-generic definitely shows the symptoms.
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Title:
[Medion Akoya E3223] Latest kernel breaks LCD screen
Stat
Guessing from the description of the symptoms and the dependency on
linux-modules-extra I would suspect the problem to be in the i915 driver
(which is responsible for accelerated graphics on Intel GPUs). That
would also explain problems of SDM to come up. Safe mode would likely
choose a much lower
** Summary changed:
- Latest kernel breaks LCD screen
+ [Medion Akoya E3223] Latest kernel breaks LCD screen
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Title:
[Medion Akoya
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