Date: Sun, 18 Jul 2010 14:14:15 -0700 From: Jeremy Chadwick <freebsd@jdc.parodius.com> To: Mike Tancsa <mike@sentex.net> Cc: freebsd-stable@freebsd.org Subject: Re: deadlock or bad disk ? RELENG_8 Message-ID: <20100718211415.GA84127@icarus.home.lan> In-Reply-To: <201007182108.o6IL88eG043887@lava.sentex.ca> References: <201007182108.o6IL88eG043887@lava.sentex.ca>
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On Sun, Jul 18, 2010 at 05:08:09PM -0400, Mike Tancsa wrote: > > > On the serial console I see > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 74, size: 4096 > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 128, size: 20480 > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 69, size: 4096 > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 6, size: 4096 > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 74, size: 4096 > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 128, size: 20480 > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 69, size: 4096 > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 6, size: 4096 > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 74, size: 4096 > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 128, size: 20480 > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 69, size: 4096 > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 6, size: 4096 > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 74, size: 4096 > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 128, size: 20480 > [...] > load: 0.00 cmd: csh 73167 [vnread] 22.32r 0.00u 0.00s 0% 3232k > load: 0.00 cmd: csh 73167 [vnread] 22.65r 0.00u 0.00s 0% 3232k > load: 0.00 cmd: csh 73167 [vnread] 22.96r 0.00u 0.00s 0% 3232k > load: 0.00 cmd: csh 73167 [vnread] 23.20r 0.00u 0.00s 0% 3232k > load: 0.00 cmd: csh 73167 [vnread] 23.40r 0.00u 0.00s 0% 3232k > load: 0.00 cmd: csh 73167 [vnread] 23.61r 0.00u 0.00s 0% 3232k Where exactly is your swap partition? I ask because of the below paragraph starting with "Its RELENG_8 amd64 from July 13th ...". > Its RELENG_8 amd64 from July 13th and the swap is on an ARECA drive > and I dont see any errors on any of the raidset members. I also have > a large zfs spool and a small mount point on a 3ware controller but > unfortunately, nothing in the logs post reboot and nothing from > smartctl If you Google for "swap_pager: indefinite wait buffer: bufobj" you'll find this is a pretty well-established problem, but the situation varies per person. A common one is here (read the entire thread): http://www.mail-archive.com/freebsd-questions@freebsd.org/msg192481.html I have no advice as far as how to solve this problem. -- | Jeremy Chadwick jdc@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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