On Sat, Dec 25, 2004 at 04:16:08PM +0100, Andre Tomt wrote:
> device-mapper snapshots lock up the kernel if you lvrename the snapshot 
> volume. The original volume has to be mounted for this to happen.
[...]
> LVM2 version is 2.00.24 (Debian Sarge userland), kernel 2.6.10 from 
> kernel.org. It has been reported that this affects 2.6.9 also, but I 
> have not verified this myself.

I experienced the same with 2.6.9-rc2-mm4 (also running Sarge). The
system runs fine, but the lvrename process gets stuck and the lvm
subsystem isn't working properly after, a reboot is required.

LLAP, Martin