@jeff250 - can confirm this has fixed it for me as well
intel_iommu=igfx_off
Huge thanks!
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https://bugs.launchpad.net/bugs/2062951
Title:
Random flickering with Intel i915 (Gen9 GPUs)
No change using intel_idle.max_cstate=2
It does look like its affected by cursor position as @eugenesan noted in
an earlier post.
Anecdotally, and supporting the cstate argument a little, running on
battery also seems to worsen the problem slightly.
Still struggling to find a definitive trigger
intel_idle.max_cstate=4 definitely not working for me so will try
intel_idle.max_cstate=2 as folks have noted and see what occurs
00:02.0 VGA compatible controller: Intel Corporation CometLake-H GT2 [UHD
Graphics] (rev 05) (prog-if 00 [VGA controller])
DeviceName: Onboard IGD
Subs
Hi Daniel
Little to no improvement with a few examples below:
i915 :00:02.0: [drm] *ERROR* Atomic update failure on pipe A (start=182866
end=182867) time 305 us, min 1073, max 1079, scanline start 1064, end 1084
i915 :00:02.0: [drm] *ERROR* Atomic update failure on pipe A (start=183368
Thanks Daniel - applied. Ill report back in due course!
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https://bugs.launchpad.net/bugs/2068844
Title:
Screen tearing on i915 driver
To manage notifications about this bug go to:
http
** Summary changed:
- Screen tearing on i1915 driver
+ Screen tearing on i915 driver
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https://bugs.launchpad.net/bugs/2068844
Title:
Screen tearing on i915 driver
To manage notificati
Public bug reported:
Im seeing screen tearing occasionally using an i915 graphics device on a
stock install on Ubuntu 24.04
Seems to coincide with the following outputs:
i915 :00:02.0: [drm] *ERROR* Atomic update failure on pipe A (start=150495
end=150496) time 333 us, min 1073, max 1079, s
Seems to occur when using the default wayland drivers, rather than X.
Ive not tested X in detail however.
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Title:
Screen tearing on i1915 driver
Hi Lucas
Please close this off. I have just discovered I have a bad DIMM module in
the device, so that likely caused the problem!
On Fri, 18 Feb 2022 at 13:20, Lucas Albuquerque Medeiros de Moura <
1961...@bugs.launchpad.net> wrote:
> Hi arnoldthebat,
>
> Just to double
Public bug reported:
rerunning the installer solved the problem...
ProblemType: Package
DistroRelease: Ubuntu 20.04
Package: ubuntu-advantage-tools 27.6~20.04.1
ProcVersionSignature: Ubuntu 5.13.0-28.31~20.04.1-generic 5.13.19
Uname: Linux 5.13.0-28-generic x86_64
ApportVersion: 2.20.11-0ubuntu27
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