Thanks Ryan, this is very interesting: [ 259.411486] bcache: register_bcache() error /dev/vdg: device already registered (emitting change event) [ 259.537070] bcache: register_bcache() error /dev/vdg: device already registered (emitting change event) [ 259.797830] bcache: register_bcache() error /dev/vdg: device already registered (emitting change event) [ 259.900392] bcache: register_bcache() error /dev/vdg: device already registered (emitting change event)
It looks that we're trying to register /dev/vdg multiple times as a backing device (make-bcache -B). I'm not getting this message during my tests, so that might be required to reproduce that particular deadlock. I'll modify my test case to trigger these errors and see if I can reproduce the hung task timeout issue. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1796292 Title: Tight timeout for bcache removal causes spurious failures To manage notifications about this bug go to: https://bugs.launchpad.net/curtin/+bug/1796292/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs