Closing this bug as per comment #8
Thanks!
** Changed in: linux (Ubuntu)
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/1942619
Title:
WARNING: ...
I've been running the ubuntu generic kernel (5.13.0-28-generic) for the
last 33 days without the issue reoccurring, so I think this can be
closed.
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After 20 days with the mainline 5.14.0 kernel, I have not seen a
reoccurrence this behavior.
There was one "WARNING: ... decide_linksettings [amdgpu]" kernel
message, but the inability to bring the display port monitors back up
did not occur.
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I have booted and installed the mainline kernel. I don't have a recipe
to reproduce the problem, and sometimes weeks go by between occurrences.
I will follow up here when it happens again or check back in a few weeks
if it does not.
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Please test latest mainline kernel:
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.14/amd64/
Headers are not needed.
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https://bugs.launchpad.net/bugs/1942619
Title:
WARNING: ...
This happened again today. I have discovered that recovery by
suspend/resume is possible.
** Summary changed:
- WARNING: CPU: 11 PID: 3608 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c:2529
decide_link_settings+0x1ab/0x1d0 [amdgpu]
+ WARNING: ...
