Bug 111879

Summary: GPU reset during hibernation
Product: DRI Reporter: Yuxuan Shui <yshuiv7>
Component: DRM/AMDgpuAssignee: Default DRI bug account <dri-devel>
Status: RESOLVED MOVED QA Contact:
Severity: normal    
Priority: not set    
Version: unspecified   
Hardware: x86-64 (AMD64)   
OS: Linux (All)   
i915 platform: i915 features:
Description Flags
relevant bits of dmesg
possible fix none

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.

Comment 5 Martin Peres 2019-11-19 09:57:00 UTC
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