Public bug reported:
Binary package hint: lvm2
I am using mylvmbackup to backup an XFS logical volume. The script makes
a LVM snapshot with lvcreate, mounts it and creates a targz of the
content.
With 7.04 this worked fine. Since the upgrade to 7.10 lvcreate kind of freezes
the system. Symptoms:
* CPU usage drops to zero
* load goes to 20
* no activity whatsoever in vmstat/top
* the system still replies to pings
* my SSH session still kind of works, but I can no longer log in
# lvs
CTRL-c detected: giving up waiting for lock
/var/lock/lvm/V_volgroup1: flock failed: Interrupted system call
Can't lock volgroup1: skipping
# lsof /var/lock/lvm/V_volgroup1
COMMAND PID USER FD TYPE DEVICE SIZE NODE NAME
lvcreate 27581 root 4uW REG 0,17 0 42685321 /var/lock/lvm/V_volgroup1
* kill -9 doesn't work on lvcreate
* reboot/shutdown doesn't work
** Affects: lvm2 (Ubuntu)
Importance: Undecided
Status: New
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LVM snapshot freezes system since 7.10 upgrade
https://bugs.launchpad.net/bugs/163807
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