kernel 5.4.0-42-generic looping amdgpu errors

[Günter Haus]

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

[Ubuntu Foundations Team Bug Bot (crichton)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. It seems that your bug report is not filed about a specific source package though, rather it is just filed against Ubuntu in general. It is important that bug reports be filed about source packages so that people interested in the package can find the bugs about it. You can find some hints about determining what package your bug might be about at https://wiki.ubuntu.com/Bugs/FindRightPackage. You might also ask for help in the #ubuntu-bugs irc channel on Freenode.

To change the source package that this bug is filed about visit https://bugs.launchpad.net/ubuntu/+bug/1888116/+editstatus and add the package name in the text box next to the word Package.

[This is an automated message. I apologize if it reached you inappropriately; please just reply to this message indicating so.]

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:

apport-collect 1888116

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

[Günter Haus (mcframe)]

apport-collect tells me that this bug is not open anymore (or not started by me) so i attach all relevant information, configurations and log files as tar.gz archive
Pls advice if any other information is reqired

[Kai-Heng Feng (kaihengfeng)]

Please raise the issue to AMD directly, the driver isn't maintained by Ubuntu community.

[Launchpad Janitor (janitor)]

[Expired for linux (Ubuntu) because there has been no activity for 60 days.]