Public bug reported:
After updating to package "linux-image-5.4.0-42-generic" (5.4.0.42.45)
several hundred system-log similar entires per minute are thrown at log:
kernel amdgpu 0000:09:00.0: amdgpu: [mmhub] page fault (src_id:0 ring:169
vmid:0 pasid:0, for process pid 0 thread pid 0)
kernel amdgpu 0000:09:00.0: amdgpu: in page starting at address
0x00000000fffba000 from client 18
kernel amdgpu 0000:09:00.0: amdgpu: GCVM_L2_PROTECTION_FAULT_STATUS:0x00041F52
kernel amdgpu 0000:09:00.0: amdgpu: Faulty UTCL2 client ID: 0xf
kernel amdgpu 0000:09:00.0: amdgpu: MORE_FAULTS: 0x0
kernel amdgpu 0000:09:00.0: amdgpu: WALKER_ERROR: 0x1
kernel amdgpu 0000:09:00.0: amdgpu: PERMISSION_FAULTS: 0x5
kernel amdgpu 0000:09:00.0: amdgpu: MAPPING_ERROR: 0x1
kernel amdgpu 0000:09:00.0: amdgpu: RW: 0x1
System is a 20.04.1 Kubtuntu, with AMD Ryzen 5 and RX 5700 GPU, amdgpu
with opencl installed (via amdgpu-pro-20.20-1089974-ubuntu-20.04.tar.xz
from amd.com)
Nevertheless no system freezes or graphic bugs happened
** Affects: ubuntu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1888116
Title:
kernel 5.4.0-42-generic looping amdgpu errors
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