https://bugzilla.kernel.org/show_bug.cgi?id=205585
Bug ID: 205585
Summary: [Regression] [amdgpu] AMD Vega 64 GPU invalid access
and EEH under load
Product: Drivers
Version: 2.5
Kernel Version: 5.4-rc7
Hardware: PPC-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: high
Priority: P1
Component: Video(DRI - non Intel)
Assignee: drivers_video-...@kernel-bugs.osdl.org
Reporter: tpear...@raptorengineering.com
Regression: No
Created attachment 285977
--> https://bugzilla.kernel.org/attachment.cgi?id=285977&action=edit
backtrace
When using amdgpu with kernel 5.4-rc5 through 5.4-rc7, we are seeing invalid
DMA under load with the Vega 64. This issue did not occur on 5.3 or earlier.
The invalid DMA causes an EEH and knocks the GPU offline until a reboot.
Trace attached.
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