Date: Wed, 13 Feb 2008 05:31:56 -0800 From: Jeremy Chadwick <koitsu@freebsd.org> To: Ivan Voras <ivoras@freebsd.org> Cc: freebsd-fs@freebsd.org, freebsd-current@freebsd.org Subject: Re: ZFS lockup in "zfs" state Message-ID: <20080213133156.GA5645@eos.sc1.parodius.com> In-Reply-To: <foulkb$suh$1@ger.gmane.org> References: <fouhhe$e95$1@ger.gmane.org> <20080213113321.GA52329@eos.sc1.parodius.com> <foulkb$suh$1@ger.gmane.org>
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On Wed, Feb 13, 2008 at 12:53:31PM +0100, Ivan Voras wrote: > Jeremy Chadwick wrote: > > On Wed, Feb 13, 2008 at 11:43:42AM +0100, Ivan Voras wrote: > >> Hi, > >> > >> A machine just wedged its ZFS file systems (UFS file systems were still > >> running), all unresponsive processes were in "zfs" state. This is > >> 7.0-RC1 on i386 with 2 GB RAM. It has happened at least once before. > >> > >> I have a kernel core dump (dumped from kdb/ddb on hotkey), if anyone's > >> interested. > > > > Were you copying any data from a ZFS pool to a UFS filesystem, or > > ZFS-to-ZFS, at that time? > > I don't know - the machine is a server that's been doing it's job (web > server, mysql, java). Depending on when the problem started, there could > have been a rsync from ZFS to UFS for backup purposes. > > > Does your coredump's backtrace look at all > > similar to the below report? > > > > http://lists.freebsd.org/pipermail/freebsd-stable/2008-January/040047.html > > I vaguely remember there being something about sockbuf when I had the > online debugger running and java (tomcat) is definitely running on the > server. Can you advise me how to extract this kind of information from a > kernel core dump (kgdb doesn't have show alllocks, etc :) )? I personally don't know. kris@ should be able to help with this. Volunteering people for stuff again, heh. :-) -- | Jeremy Chadwick jdc at parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB |
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