as of lvm2 2.02.98-6ubuntu1 the bug is still here. It may appear only if you have snapshots LVs.
It seems to be caused by this udev rule: /lib/udev/rules.d/85-lvm2.rules It should be noted that this file is not present in Debian's lvm2 2.02.98-6. This persons says that commenting this rule removed the problem: http://www.thomas-krenn.com/en/wiki/HA_Cluster_with_Linux_Containers_based_on_Heartbeat,_Pacemaker,_DRBD_and_LXC#Device_Mapper_error_when_activating_LVM_volume_group_with_snapshots And here is an interesting discussion that talks about "Snapshot cow pairing for exception table handover failed " at boot, lvm2 and Debian udev rules (that have changed since, I guess): http://www.redhat.com/archives/linux-lvm/2012-February/msg00043.html -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/995645 Title: udevd: timeout: killing 'watershed sh -c '/sbin/lvm vgscan; /sbin/lvm vgchange -a y'' To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lvm2/+bug/995645/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs