This looks like a hardware or driver problem with the Radeon Pro WX
7100. Your logs show two issues:
1. Xorg logs that the monitor is being repeatedly redetected. So it
sounds like the monitor is not plugged in properly. Maybe try a new
monitor cable.
2. The kernel is logging more serious issues:
[ 107.569355] amdgpu 0000:0a:00.0: GPU fault detected: 146 0x0c38480c for
process mksReplay pid 2764 thread main-mks pid 2772
[ 107.569358] amdgpu 0000:0a:00.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR
0x0030C387
[ 107.569359] amdgpu 0000:0a:00.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS
0x0804800C
[ 107.569360] amdgpu 0000:0a:00.0: VM fault (0x0c, vmid 4, pasid 32785) at
page 3195783, read from 'TC4' (0x54433400) (72)
[ 107.569365] amdgpu 0000:0a:00.0: GPU fault detected: 146 0x0c38880c for
process mksReplay pid 2764 thread main-mks pid 2772
[ 107.569366] amdgpu 0000:0a:00.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR
0x0030C38E
[ 107.569367] amdgpu 0000:0a:00.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS
0x0808400C
[ 107.569368] amdgpu 0000:0a:00.0: VM fault (0x0c, vmid 4, pasid 32785) at
page 3195790, read from 'TC7' (0x54433700) (132)
[ 107.597584] amdgpu 0000:0a:00.0: GPU fault detected: 146 0x0c38480c for
process mksReplay pid 2764 thread main-mks pid 2772
[ 107.597587] amdgpu 0000:0a:00.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR
0x0030C387
[ 107.597588] amdgpu 0000:0a:00.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS
0x0E04800C
[ 107.597590] amdgpu 0000:0a:00.0: VM fault (0x0c, vmid 7, pasid 32785) at
page 3195783, read from 'TC4' (0x54433400) (72)
[ 107.597595] amdgpu 0000:0a:00.0: GPU fault detected: 146 0x0c38880c for
process mksReplay pid 2764 thread main-mks pid 2772
[ 107.597596] amdgpu 0000:0a:00.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR
0x0030C38D
[ 107.597597] amdgpu 0000:0a:00.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS
0x0E04400C
[ 107.597598] amdgpu 0000:0a:00.0: VM fault (0x0c, vmid 7, pasid 32785) at
page 3195789, read from 'TC5' (0x54433500) (68)
[
** Tags added: amdgpu
** Summary changed:
- Xorg freeze
+ [amdgpu] Xorg freeze
** Package changed: xorg (Ubuntu) => xserver-xorg-video-amdgpu (Ubuntu)
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1888193
Title:
[amdgpu] Xorg freeze
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