Slawa Olhovchenkov wrote on 08/30/2015 22:17:
On Sun, Aug 30, 2015 at 09:58:31PM +0300, Ruslan Makhmatkhanov wrote:

No doubt that this is not the root cause, but frankly I haven't that
"GPU hung" messages in my system. I have others like this one triggered
on shutdown:
error: [drm:pid1041:intel_lvds_enable] *ERROR* timed out waiting for
panel to power off

And this one spamming almost with the same frequency as "pinned buffer":
error: [drm:pid1016:gen6_sanitize_pm] *ERROR* Power management
discrepancy: GEN6_RP_INTERRUPT_LIMITS expected 000d0000, was 180d0000

But I had not investigated that yet and not sure they are related.
It's on r287029 head.

All of this related to import new DRI/DRM code and such code in Linux
have same problems.
r282141 in stable related to r279599 and r275209 in current.
Can you try to revert r279599?

You are right. After reverting r279599 two of this messages ("timed out waiting for panel to power off" and "unbind pinned buffer") disappeared, while "Power management discrepancy" is still there. Should I try to revert r275209 too?


T.O.S. Of Reality
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