this regression can be reproduced: - with 15 VPS - under heavy I/O - with repeated snapshot / fsck / data read
the system locks up in about 3 hours full stack trace attached, please consider this a serious regression most likely this upstream bug : https://bugzilla.kernel.org/show_bug.cgi?id=119841 ** Bug watch added: Linux Kernel Bug Tracker #119841 http://bugzilla.kernel.org/show_bug.cgi?id=119841 ** Attachment added: "fullstack.txt.gz" https://bugs.launchpad.net/ubuntu/+source/linux-lts-xenial/+bug/1645187/+attachment/4784464/+files/fullstack.txt.gz -- 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-lts-xenial/+bug/1645187/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
