resolved by removing iommu=soft option which was preserved from workaround of 
bug https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1921995
now kernel boots fine and wayland session and amdgpu works fine


** Changed in: xorg (Ubuntu)
       Status: New => Invalid

-- 
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/1947453

Title:
  wayland black screen with white flashes, display corruption, kernel
  5.13

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1947453/+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

Reply via email to