Date: Sat, 21 Apr 2007 23:42:53 -0400 From: Kris Kennaway <kris@obsecurity.org> To: Wes Morgan <morganw@chemikals.org> Cc: freebsd-fs@freebsd.org Subject: Re: apparent filesystem-related hangs Message-ID: <20070422034253.GA88705@xor.obsecurity.org> In-Reply-To: <20070421223552.F969@volatile.chemikals.org> References: <20070421223552.F969@volatile.chemikals.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Sat, Apr 21, 2007 at 10:51:10PM -0400, Wes Morgan wrote: > I have several filesystems built on top of a gconcat volume consisting of > 2 300gb and 1 500gb drive. The /usr partition constitutes the bulk of it. > The volume is sitting around 95% full, and twice I've had the system > become "hung" in what I believe are filesystem operations. It seems to > crop up when rtorrent tries to create files that would fill up the system, > but of course it doesn't actually reserve it until it is used. Any running > process remains responsive until it needs to access the disk. > > The system was running a fairly recent 6.2-stable, March 29, but I've > since updated to the most recent -stable. > > If anyone can give me some pointers as to how to tell exactly where these > processes are hanging, I can try to reproduce it... But it takes a while > to fsck the volume so I don't want to have to try too many things. If it's > not a known problem I can then submit a PR. DEBUG_LOCKS, DEBUG_VFS_LOCKS, INVARIANTS, INVARIANT_SUPPORT, then 'show lockedvnods' and 'alltrace' from ddb via the serial console when it hangs. Kris
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20070422034253.GA88705>