Date: Wed, 24 Feb 2010 23:33:18 -0800 From: Jeremy Chadwick <freebsd@jdc.parodius.com> To: freebsd-stable@freebsd.org Subject: Re: vfs deadlock during panic? Message-ID: <20100225073317.GA82327@icarus.home.lan> In-Reply-To: <D13CB108B048BD47B69C0CA1E0B5C0320111335C@hq-es.FASTSOFT.COM> References: <D13CB108B048BD47B69C0CA1E0B5C0320111335C@hq-es.FASTSOFT.COM>
next in thread | previous in thread | raw e-mail | index | archive | help
On Wed, Feb 24, 2010 at 10:36:14PM -0800, Jake Holland wrote:
> I'm running today's stable/8 -r 204294 on a Dell r610 (2 processors with
> 4 cores per processor). I have turned on WITNESS and DEBUG_VFS_LOCKS,
> because I've been trying to troubleshoot an occasional hang during
> panic, and I think I have reason to believe a vfs deadlock is occurring.
> Some details below.
> {snip}
All the backtraces indicate UFS snapshots are being used, as in you're
doing dump -L or mksnap_ffs. Is that the case?
--
| 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 |
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20100225073317.GA82327>