[Bug 201957] amdgpu: ring gfx timeout

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=201957

jens harms (au1064 at gmail.com) changed:

           What    |Removed                     |Added
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                 CC|                            |au1064 at gmail.com

--- Comment #8 from jens harms (au1064 at gmail.com) ---
Hi, i have a very similar problem. My system is working with 4.15 and with
5.1.16 but not with other 5.x kernels:

The System does not boot with 5.x kernels. With 5.1.16 the gui system freezes
sometimes but sshd and mouse is still working. 


CPU: Ryzen 5 2400g, BOARD: AORUS B450 I PRO WIFI, X Server 1.19.6

Kernel 5.0.x not working (blank screen after boot)
Kernel 5.2.x ( x <= 9 ) is not working (blank screen after boot)

but Kernel 5.1.16 is working (mostly)!


Error LOG with 5.1.16:
[Mi Aug 14 14:22:21 2019] amdgpu 0000:09:00.0:
VM_L2_PROTECTION_FAULT_STATUS:0x00000000
[Mi Aug 14 14:22:21 2019] amdgpu 0000:09:00.0: [gfxhub] no-retry page fault
(src_id:0 ring:24 vmid:3 pasid:32768, for process Xorg pid 1848 thread Xorg:cs0
pid 1849)
[Mi Aug 14 14:22:21 2019] amdgpu 0000:09:00.0:   in page starting at address
0x000080010c205000 from 27
[Mi Aug 14 14:22:21 2019] amdgpu 0000:09:00.0:
VM_L2_PROTECTION_FAULT_STATUS:0x00000000
[Mi Aug 14 14:22:31 2019] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring gfx
timeout, signaled seq=840738, emitted seq=840740
[Mi Aug 14 14:22:31 2019] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* Process
information: process Xorg pid 1848 thread Xorg:cs0 pid 1849
[Mi Aug 14 14:22:31 2019] [drm] GPU recovery disabled.

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