Couple of things: 1. Next time this occurs, can you run the following command and paste the output into the bug report:
sudo zpool events -v That may provide some additional information on what state the IOs are in. 2. If you are using ZFS intent log, it may be worth trying to set it to a fairly large size, such as 128 or 256MB using the zil_slog_limit setting -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1722261 Title: deadlock in mount umount and sync To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1722261/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
