patched upstream in 4.4.55, please upgrade / backport : https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.55
commit cd8ad4d9eb6d9ee04e77b42c6a7a15eabada85ac Author: Mikulas Patocka <[email protected]> Date: Wed Feb 15 11:26:10 2017 -0500 dm: flush queued bios when process blocks to avoid deadlock commit d67a5f4b5947aba4bfe9a80a2b86079c215ca755 upstream. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1645187 Title: 4.4.0-47-generic dm_snapshot random deadlock To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1645187/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
