When I try to run "lvrename vg00 usr_p0 usr_p1" the command hangs, the
CPU goes to 100% utilization in wait state, and the whole system pretty
much hangs (not completely, but enough that I can't do a clean shutdown
and have to power cycle).
Prior to running this command vg00/usr_p0 exists and is a snapshot.
vg00/usr_p1 does not exist.
All the other LVM operations I try work fine, including creating and
removing snapshots. lvrename -t works, but obviously doesn't do anything.
I have managed to capture a strace as well as run lvm_dump.sh -a, and
the results are here: http://www.broudy.net/lvrename/. The lvm_dump is
not from when the system is hung.
The last thing in the strace is a couple of ioctls on
/dev/mapper/control, DM_DEV_SUSPEND being the last.
Kernel is stock Debian Sarge 2.6.8-2-k7
LVM VERSION:
LVM version: 2.01.04 (2005-02-09)
Library version: 1.01.00-ioctl (2005-01-17)
Driver version: 4.1.0
DEVICE MAPPER VERSION:
Library version: 1.01.00-ioctl (2005-01-17)
Driver version: 4.1.0
I'm more that will to debug this problem, try patches, etc, I reproduced
this on a machine that isn't very critical. But I'm not sure what steps
to take.
Thanks,
Dave
--
Dave Broudy
dave@broudy.net
Phone: 303.278.0908 Mobile: 703.401.5955 Fax: 303.674.6840
http://www.broudy.net/
AIM/YIM: dbroudy
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