https://bugs.freedesktop.org/show_bug.cgi?id=88183
--- Comment #15 from Alexandre Demers alexandre.f.demers@gmail.com --- (In reply to Alexandre Demers from comment #12)
(In reply to Alexandre Demers from comment #10)
(In reply to Michel Dänzer from comment #6)
I can reproduce the hang with current Mesa Git master, but not with the Debian 10.3.2 packages. Can you confirm that and if so, can you bisect?
Even with 10.3.2 though, there are GPUVM faults, looks like the CB writing past the end of DXT5 SRGBA textures:
VM start=0x262F0000 end=0x26346800 | Texture 512x512x1, 10 levels, 1 samples, dxt5_srgba [...] Jan 15 16:52:47 kaveri kernel: [ 208.982506] radeon 0000:00:01.0: GPU fault detected: 146 0x09450014 Jan 15 16:52:47 kaveri kernel: [ 208.982511] radeon 0000:00:01.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x0002634A Jan 15 16:52:47 kaveri kernel: [ 208.982513] radeon 0000:00:01.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x05000014 Jan 15 16:52:47 kaveri kernel: [ 208.982514] VM fault (0x04, vmid 2) at page 156490, write from 'CB0' (0x43423000) (0) Jan 15 16:52:47 kaveri kernel: [ 208.982519] radeon 0000:00:01.0: GPU fault detected: 146 0x09050014 Jan 15 16:52:47 kaveri kernel: [ 208.982520] radeon 0000:00:01.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x00026347 Jan 15 16:52:47 kaveri kernel: [ 208.982521] radeon 0000:00:01.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x05000014 Jan 15 16:52:47 kaveri kernel: [ 208.982522] VM fault (0x04, vmid 2) at page 156487, write from 'CB0' (0x43423000) (0)
I'll try 10.3.2 and launch a bisection, but I need to downgrade my newly updated llvm back to 3.5 first.
I'm confirming that 10.3.2 works fine.
I'm also seeing the VM faults in dmesg.