On Fri, Sep 22, 2006 at 02:55:34PM -0400, Vivek Khera
wrote:> Yesterday we upgraded an amd64 system from 6.1 to 6.2-PRE from a
> cvsup of September 20 evening. The overnight nightly dump to tape
> went off normally. This afternoon when the sysadmin was performing
> the level0 backup, the ffs_mksnap program locked up the entire system.
>
> It wasn't the expected short hiccup that mksnap sometimes causes --
> it was started just prior to lunchtime and when we got back everyone
> had wedged login sessions and IMAP sessions, and ffs_mksnap was in
> "D" state according to ps and idle for about 90 minutes.
>
> The only way out was to reboot the system.
>
> I know this is very un-useful as a bug report, but I'm putting this
> out in case anyone else has noticed this. It has never happened to
> us before when we were running 5.4 and then 6.1 on this box. Nothing
> else changed on the system during this time.
Yep, we'd need additional debugging to proceed.
Kris