Date: Wed, 1 Dec 2004 23:37:25 +0100 From: Peter Holm <peter@holm.cc> To: Jeff Roberson <jroberson@chesapeake.net> Cc: current@freebsd.org Subject: Re: SMP VFS Part 2 Message-ID: <20041201223725.GA80282@peter.osted.lan> In-Reply-To: <20041201160351.V18185@mail.chesapeake.net> References: <20041201055115.I18185@mail.chesapeake.net> <20041201195228.GA79652@peter.osted.lan> <20041201160351.V18185@mail.chesapeake.net>
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On Wed, Dec 01, 2004 at 04:11:50PM -0500, Jeff Roberson wrote: > On Wed, 1 Dec 2004, Peter Holm wrote: > > > On Wed, Dec 01, 2004 at 05:54:49AM -0500, Jeff Roberson wrote: > > > I have updated the patch at: > > > > > > http://www.chesapeake.net/~jroberson/smpffs.diff > > > > > > > I got a page fault in kern/vfs_vnops.c:542 due to vp->v_mount == NULL. > > > > More info at http://www.holm.cc/stress/log/jeff03.html > > The v_mount should only be NULL very briefly for the rootdevvp. What is > your setup here? Any filesystems other than devfs and ffs? $ mount /dev/ad0s1a on / (ufs, local) devfs on /dev (devfs, local) /dev/ad0s1e on /tmp (ufs, NFS exported, local, soft-updates) /dev/ad0s1f on /usr (ufs, local, soft-updates) /dev/ad0s1d on /var (ufs, local, soft-updates) procfs on /proc (procfs, local) linprocfs on /usr/compat/linux/proc (linprocfs, local) >I think that > deadfs might not set a mountpoint either.. DId you do a forced unmount? No. > I think I know how I'm going to have to fix this. > Got a new one for you: 1) panic: wrong b_bufobj 0 should be 0xc2679c10 2) panic: unexpected clean buffer 0xc6624bc8 http://www.holm.cc/stress/log/jeff04.html - Peter > > > > - Peter > > > > > It includes bug fixes for a handful of problems that were reported, and a > > > few more that I found myself. It also unwinds giant from open(), which is > > > a very high risk area, but after a few days of working out bugs it seems > > > to be functioning quite well for me. > > > > > > I did a make -j3 buildworld on a box with a lowered maxvnodes. I also let > > > 'stress' run for 8 loops or so until I ran into an unrelated KSE bug. I > > > did some mount/unmount/single user tests as well. > > > > > > Use at your own risk. I still haven't locked quotas, so if you're using > > > quota, don't run with this patch. > > > > > > Thanks, > > > Jeff > > > _______________________________________________ > > > freebsd-current@freebsd.org mailing list > > > http://lists.freebsd.org/mailman/listinfo/freebsd-current > > > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" > > > > -- > > Peter Holm > > _______________________________________________ > > freebsd-current@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-current > > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" > > -- Peter Holm
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