Thanks for the bug report. Your kernel log is showing a couple of different problems that would explain poor performance:
[ 1432.047693] pcieport 0000:00:1c.4: AER: Corrected error received: 0000:00:1c.4 [ 1432.047705] pcieport 0000:00:1c.4: AER: PCIe Bus Error: severity=Corrected, type=Physical Layer, (Receiver ID) [ 1432.047713] pcieport 0000:00:1c.4: AER: device [8086:9d14] error status/mask=00000001/00002000 [ 1432.047718] pcieport 0000:00:1c.4: AER: [ 0] RxErr (First) [ 1434.967857] amdgpu: VI should always have 2 performance levels In both cases they are kernel (or hardware) issues. ** Tags added: amdgpu ** Tags added: performance ** Package changed: xorg (Ubuntu) => linux (Ubuntu) ** Package changed: linux (Ubuntu) => linux-hwe-5.8 (Ubuntu) ** Summary changed: - lagg display + [Lenovo V330-15IKB] lagg display -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1933194 Title: [Lenovo V330-15IKB] lagg display To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-hwe-5.8/+bug/1933194/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
