Date: Tue, 28 Feb 2006 05:00:40 -0500 From: Kris Kennaway <kris@obsecurity.org> To: Niki Denev <nike_d@cytexbg.com> Cc: freebsd-stable@freebsd.org, Kris Kennaway <kris@obsecurity.org> Subject: Re: Patch for quota deadlock Message-ID: <20060228100040.GA56094@xor.obsecurity.org> In-Reply-To: <200602281158.03030.nike_d@cytexbg.com> References: <20060221195601.GA63134@xor.obsecurity.org> <20060228074037.GE21678@e-Gitt.NET> <20060228075139.GA38928@xor.obsecurity.org> <200602281158.03030.nike_d@cytexbg.com>
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--SUOF0GtieIMvvwua Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Feb 28, 2006 at 11:58:02AM +0200, Niki Denev wrote: > On Tuesday 28 February 2006 09:51, Kris Kennaway wrote: > > On Tue, Feb 28, 2006 at 08:40:37AM +0100, Oliver Brandmueller wrote: > > > Anyway, I'll discuss with my colleagues and we'll see if we want to t= ake > > > the risk. > > > > Thanks, it would be a big help if you're willing to try. > > > > Kris >=20 > I'm jumping here from the [snaphost timestamps] thread. >=20 > Here is what happened when i compiled the kernel with QUOTAS enabled,=20 > enable_quotas=3D"YES" in rc.conf, and LK_NOWAIT patch applied : > Enabling quotas:KDB: stack backtrace: > vfs_badlock() at vfs_badlock+0x95 > assert_vop_locked() at assert_vop_locked+0x77 > quotaon() at quotaon+0x182 > ufs_quotactl() at ufs_quotactl+0x150 > quotactl() at quotactl+0x15c > syscall() at syscall+0x642 > Xfast_syscall() at Xfast_syscall+0xa8 > --- syscall (148, FreeBSD ELF64, quotactl), rip =3D 0x80068671c, rsp =3D= =20 Thanks, I forgot about this. You'll need these patches too: http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/ufs/ufs/ufs_quota.c.diff?r1= =3D1.77&r2=3D1.78 http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/ufs/ufs/ufs_quota.c.diff?r1= =3D1.78&r2=3D1.79 Kris --SUOF0GtieIMvvwua Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2.1 (FreeBSD) iD8DBQFEBB9IWry0BWjoQKURAhFjAKC+Lq+LHM0eQeu6dKxQOxnY5eHxXACgxvEm jR9eMDnR6ZGGnOhwHhynWlY= =rv4F -----END PGP SIGNATURE----- --SUOF0GtieIMvvwua--
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