** Description changed: 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' > /tmp/oops20210428.txt - $ fgrep RIP /tmp/oops20210428.txt - Apr 26 09:06:11 ub3ff kernel: RIP: 0010:dcn20_validate_bandwidth_fp+0x9d/0xf0 [amdgpu] - Apr 26 09:06:11 ub3ff kernel: RIP: 0010:dcn10_get_dig_frontend+0x93/0xc0 [amdgpu] - Apr 28 08:23:04 ub3ff kernel: RIP: 0010:dc_link_allocate_mst_payload+0x1c9/0x1e0 [amdgpu] - Apr 28 08:23:04 ub3ff kernel: RIP: 0033:0x7fe6953a550b - Apr 28 08:24:02 ub3ff kernel: RIP: 0010:dc_link_add_remote_sink+0x65/0x110 [amdgpu] - Apr 28 08:24:02 ub3ff kernel: RIP: 0033:0x7fe6953a550b - Apr 28 08:24:02 ub3ff kernel: RIP: 0010:dm_dp_mst_get_modes+0xd9/0x210 [amdgpu] - Apr 28 08:24:02 ub3ff kernel: RIP: 0033:0x7fe6953a550b - Apr 28 08:24:02 ub3ff kernel: RIP: 0010:dm_dp_mst_get_modes+0xd9/0x210 [amdgpu] + $ journalctl -b -1 -k | egrep -v 'audit|dbus-daemon' > oops20210428.txt + $ fgrep RIP oops20210428.txt | cut -c 31- + RIP: 0010:dcn20_validate_bandwidth_fp+0x9d/0xf0 [amdgpu] + RIP: 0010:dcn10_get_dig_frontend+0x93/0xc0 [amdgpu] + RIP: 0010:dc_link_allocate_mst_payload+0x1c9/0x1e0 [amdgpu] + RIP: 0033:0x7fe6953a550b + RIP: 0010:dc_link_add_remote_sink+0x65/0x110 [amdgpu] + RIP: 0033:0x7fe6953a550b + RIP: 0010:dm_dp_mst_get_modes+0xd9/0x210 [amdgpu] + RIP: 0033:0x7fe6953a550b + RIP: 0010:dm_dp_mst_get_modes+0xd9/0x210 [amdgpu] ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.8.0-50-generic 5.8.0-50.56~20.04.1 ProcVersionSignature: Ubuntu 5.8.0-50.56~20.04.1-generic 5.8.18 Uname: Linux 5.8.0-50-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.16 Architecture: amd64 CasperMD5CheckResult: skip 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-hwe-5.8 UpgradeStatus: No upgrade log present (probably fresh install)
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1926400 Title: amdgpu with mst WARNING and Kernel Oops on blanking/resume To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe-5.8/+bug/1926400/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs