amdgpu with mst WARNING and Kernel Oops on blanking/resume
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux-signed-hwe-5.8 (Ubuntu) |
New
|
Undecided
|
Unassigned |
Bug Description
HWE kernel appears to get more amdgpu MST related WARNINGs and Oopses than non-HWE, mostly after resume from blanking or suspend.
Kernel logs for most recent one attached.
$ journalctl -b -1 -k | egrep -v 'audit|dbus-daemon' > oops20210428.txt
$ fgrep RIP oops20210428.txt | cut -c 31-
RIP: 0010:dcn20_
RIP: 0010:dcn10_
RIP: 0010:dc_
RIP: 0033:0x7fe6953a550b
RIP: 0010:dc_
RIP: 0033:0x7fe6953a550b
RIP: 0010:dm_
RIP: 0033:0x7fe6953a550b
RIP: 0010:dm_
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-
ProcVersionSign
Uname: Linux 5.8.0-50-generic x86_64
ApportVersion: 2.20.11-
Architecture: amd64
CasperMD5CheckR
CurrentDesktop: ubuntu:GNOME
Date: Wed Apr 28 08:43:08 2021
InstallationDate: Installed on 2020-04-10 (382 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200402)
SourcePackage: linux-signed-
UpgradeStatus: No upgrade log present (probably fresh install)
description: | updated |
Similar symptoms to https:/ /gitlab. freedesktop. org/drm/ amd/-/issues/ 1406 and repeats in some form most of the time when unlocking screen after screen blanking.
After suspend somewhat more random behaviour (works more often than after blanking).