Bug 111879 - GPU reset during hibernation
Summary: GPU reset during hibernation
Status: NEW
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/AMDgpu (show other bugs)
Version: unspecified
Hardware: x86-64 (AMD64) Linux (All)
: not set normal
Assignee: Default DRI bug account
QA Contact:
Depends on:
Reported: 2019-10-01 19:11 UTC by Yuxuan Shui
Modified: 2019-10-02 01:14 UTC (History)
0 users

See Also:
i915 platform:
i915 features:

relevant bits of dmesg (18.60 KB, text/plain)
2019-10-01 19:11 UTC, Yuxuan Shui
no flags Details
possible fix (1.93 KB, patch)
2019-10-01 21:47 UTC, Alex Deucher
no flags Details | Splinter Review

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Description Yuxuan Shui 2019-10-01 19:11:44 UTC
Created attachment 145606 [details]
relevant bits of dmesg

After resuming from hibernation, the screen freezes (flickers between two frames), and "Failed to initialize parser -125!" is printed repeatedly in dmesg.
Comment 1 Yuxuan Shui 2019-10-01 19:17:11 UTC
Looks like a GPU reset was triggered during hibernation and that's what's causing the "Failed to initialize parser" error.
Comment 2 Alex Deucher 2019-10-01 21:38:55 UTC
What chip is this?  Please attach your full dmesg output.
Comment 3 Alex Deucher 2019-10-01 21:47:19 UTC
Created attachment 145608 [details] [review]
possible fix

Does this patch fix the issue?
Comment 4 Yuxuan Shui 2019-10-02 01:14:44 UTC
(In reply to Alex Deucher from comment #3)
> Created attachment 145608 [details] [review] [review]
> possible fix
> Does this patch fix the issue?

I hiberate/resumed with this patch a couple of times, the problem hasn't occurred so far. Looks like this fixes the problem.


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