I just checked kernel 5.3.0.17.19 from eoan proposed (that should incl. all patches/reverts) on a z/VM guest that's installed on zFCP and has access to DASDs and problem is no longer there when one chzdev's a DASD. Hence changing status to Fix Committed.
Now need to wait until this kernel get's released and finds it's way into d-i... ** Changed in: linux (Ubuntu) Status: In Progress => Fix Committed ** Changed in: ubuntu-z-systems Status: In Progress => Fix Committed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1845323 Title: Trying to online dasd drive results in invalid input/output from the kernel on z/VM To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1845323/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs