https://bugzilla.kernel.org/show_bug.cgi?id=119181
Bug ID: 119181
Summary: Hang in amdgpu_vm_bo_update_mapping with powerplay
enabled
Product: Drivers
Version: 2.5
Kernel Version: 4.5.4
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Video(DRI - non Intel)
Assignee: drivers_video-dri at kernel-bugs.osdl.org
Reporter: mustrumr97 at gmail.com
Regression: No
Created attachment 218111
--> https://bugzilla.kernel.org/attachment.cgi?id=218111&action=edit
Stack trace (sysrq-w)
This happens after a few minutes in a 3D-intensive workload (e.g. Kerbal Space
Program). The game hangs, but the mouse is moving. A few seconds later the
mouse stops moving.
1. The game is waiting on an ioctl (libdrm:
amdgpu_fence_wait/amdgpu_cs_query_fence_status)
2. Xorg is in D state (see attached stack trace).
3. CPU load at ~0%.
4. Nothing interesting in kernel log.
The kernel has voluntary preemption enabled, the GPU is 1002:6938 (AMD Radeon
380X). It is at 56°C, quickly drops down to 51 when forced to low performance
state, goes up to 56 when at auto.
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