On Thu, Feb 23, 2006 at 04:44:46PM -0600, Greg Rivers wrote: > On Thu, 23 Feb 2006, Michael R. Wayne wrote: > > >Been fighting this for a while. We have an older server, running > >5.4-RELEASE-p8 i386 and used primarily for email, which hangs every > >couple of weeks. The hang seems to be in the disk I/O system; pings > >succeed, and I can continue get a login: prompt on the console until > >I enter a login at which the response stops. > >[snip] > > I think you're seeing the UFS deadlock I reported last November for > RELENG_6. See the thread beginning at > http://lists.freebsd.org/pipermail/freebsd-stable/2005-November/019979.html > > I believe this issue has made it onto the show-stopper list for > 6.1-RELEASE and is being actively worked on.
It's on the todo list, but I don't think it's being worked on yet. The main problem is that we need a way to reproduce it on command. I'd forgotten that snapshots are involved, so maybe it's just a matter of running lots of mksnap_ffs while I/O is in progress. kris
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