Bug 95526 - [AMDGPU][CIK] Suspend to disk deadlocks system (never worked)
Summary: [AMDGPU][CIK] Suspend to disk deadlocks system (never worked)
Status: RESOLVED WORKSFORME
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/AMDgpu (show other bugs)
Version: unspecified
Hardware: Other All
: medium normal
Assignee: Default DRI bug account
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Reported: 2016-05-22 18:27 UTC by Shawn Starr
Modified: 2016-06-07 06:29 UTC (History)
1 user (show)

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Description Shawn Starr 2016-05-22 18:27:20 UTC 
Current kernel: 4.7.0-0.rc0.git2.3.fc23.x86_64 with CIK enabled in AMDGPU.

If I use the following command:

echo disk > /sys/power/state

The laptop deadlocks and never attempts to freeze/write memory to disk.

This has never worked for me with AMDGPU with CIK enabled, so I don't know if there's a point to bisect from.
Comment 1 Shawn Starr 2016-06-07 06:29:26 UTC 
Tested: Sun Jun 5 commits from agd5f's drm-next-4.8-wip

Suspend to ram works: echo mem > /sys/power/state
Suspend to disk works: echo disk > /sys/power/state
Restoring from suspend disk image worked.

This can be closed now.

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