Date: Wed, 13 Feb 2008 12:53:31 +0100 From: Ivan Voras <ivoras@freebsd.org> To: freebsd-fs@freebsd.org Cc: freebsd-current@freebsd.org Subject: Re: ZFS lockup in "zfs" state Message-ID: <foulkb$suh$1@ger.gmane.org> In-Reply-To: <20080213113321.GA52329@eos.sc1.parodius.com> References: <fouhhe$e95$1@ger.gmane.org> <20080213113321.GA52329@eos.sc1.parodius.com>
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[-- Attachment #1 --] 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 :) )? [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) iD8DBQFHsto7ldnAQVacBcgRAgXoAKD4grqr9a7Rnf12RQeVAEN/YmXkUwCdE7/j 8odXT2wiXG4nWgcdCGucewQ= =+MUx -----END PGP SIGNATURE-----
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