Date: Thu, 01 Sep 2005 22:26:05 +0200 From: Matthias Andree <matthias.andree@gmx.de> To: Suleiman Souhlal <ssouhlal@FreeBSD.org> Cc: freebsd-current@FreeBSD.org, Matthias Andree <matthias.andree@gmx.de>, Jeremie Le Hen <jeremie@le-hen.org>, Kris Kennaway <kris@obsecurity.org> Subject: Re: nfs through nullfs Message-ID: <m3slwosffm.fsf@merlin.emma.line.org> In-Reply-To: <66A71CA4-8134-43A3-BEAB-485C7DF59EA1@FreeBSD.org> (Suleiman Souhlal's message of "Wed, 31 Aug 2005 13:47:49 %2B0200") References: <m33bot5e33.fsf@merlin.emma.line.org> <20050830124435.GW659@obiwan.tataz.chchile.org> <20050830232818.GA83944@xor.obsecurity.org> <m3wtm2ifes.fsf@merlin.emma.line.org> <66A71CA4-8134-43A3-BEAB-485C7DF59EA1@FreeBSD.org>
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Suleiman Souhlal <ssouhlal@FreeBSD.org> writes: > On Aug 31, 2005, at 12:12 PM, Matthias Andree wrote: > >> OK, to reproduce, three steps apart from having an ext2 file system >> (the ext2 FS is clean according to e2fsck) >> >> mount_ext2fs /dev/ad0s5 /linux >> mount_nullfs /linux /mnt >> umount /mnt -> panic, "locking against myself" >> >> backtrace in the kernel debugger, copied manually: > > Can you try the patch at http://people.freebsd.org/~ssouhlal/testing/ > null_vnops.c-20050831.diff ? Yup. Tried it, no more panic on umount. Thanks a lot. -- Matthias Andree
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