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* [Bug 109628] WARNING at dcn10_hw_sequencer.c:868 dcn10_verify_allow_pstate_change_high()
@ 2019-02-14  9:56 bugzilla-daemon
  2019-02-14  9:58 ` bugzilla-daemon
                   ` (35 more replies)
  0 siblings, 36 replies; 37+ messages in thread
From: bugzilla-daemon @ 2019-02-14  9:56 UTC (permalink / raw)
  To: dri-devel


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https://bugs.freedesktop.org/show_bug.cgi?id=109628

            Bug ID: 109628
           Summary: WARNING at dcn10_hw_sequencer.c:868
                    dcn10_verify_allow_pstate_change_high()
           Product: DRI
           Version: XOrg git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: zajec5@gmail.com

I use HP EliteBook 745 G5 with Ryzen 5 PRO 2500U and external monitor BenQ
GW2260.

Today after taking ~10 minutes break amdgpu had some problems with enabling my
external monitor back (after putting it in sleep mode or something). It took it
about half a minute I think.

I checked dmesg immediately and found there a WARNING:
[65984.999696] WARNING: CPU: 6 PID: 2081 at
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_hw_sequencer.c:868
dcn10_verify_allow_pstate_change_high+0x25/0x260 [amdgpu]

I suspect it may be related to the issue I'm reporting.

So far I was using kernels 4.19 and 4.20 (for the last 2 months) and never saw
it. A day ago I've switched to the kernel 5.0.0-rc6. It may be either:
1. A regression
2. A very rare bug

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^ permalink raw reply	[flat|nested] 37+ messages in thread
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