Date: Tue, 25 Apr 2006 19:19:51 +0300 From: Kostik Belousov <kostikbel@gmail.com> To: Dmitry Morozovsky <marck@rinet.ru> Cc: stable@freebsd.org, Kris Kennaway <kris@obsecurity.org> Subject: Re: fsck_ufs locked in snaplk Message-ID: <20060425161951.GF1446@deviant.kiev.zoral.com.ua> In-Reply-To: <20060425200348.B71240@woozle.rinet.ru> References: <20060424202859.GA18457@xor.obsecurity.org> <20060425004405.G44618@woozle.rinet.ru> <20060424205026.GA18844@xor.obsecurity.org> <20060425134418.J57625@woozle.rinet.ru> <20060425080932.1rv9hq0rcws4wc84@www.wolves.k12.mo.us> <20060425133532.GD1446@deviant.kiev.zoral.com.ua> <20060425095610.ibv24kg1kw00s040@www.wolves.k12.mo.us> <20060425185741.C71240@woozle.rinet.ru> <20060425153909.GE1446@deviant.kiev.zoral.com.ua> <20060425200348.B71240@woozle.rinet.ru>
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--zaRBsRFn0XYhEU69 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Apr 25, 2006 at 08:05:25PM +0400, Dmitry Morozovsky wrote: > On Tue, 25 Apr 2006, Kostik Belousov wrote: >=20 > KB> > I just made lab machine with serial console, compile minimal kernel= with quotas=20 > KB> > and KDB+WITNESS, and immediately after ``quotacheck /var && quotaon= /var'' got > KB> >=20 > KB> > kdb_backtrace(d663aba0,c051f402,c05f7da3,c05fe731,c32cb414) at=20 > KB> > kdb_backtrace+0x29 > KB> > vfs_badlock(c05f7da3,c05fe731,c32cb414) at vfs_badlock+0x11 > KB> > assert_vop_locked(c32cb414,c05fe731,c30ed400,c04eac2c,c05f6cf4) at= =20 >=20 > KB> Obviously, revisions 1.78, 1.79 of the sys/ufs/ufs/ufs_quota.c > KB> shall be MFCed. Try this patch (note, I does not tested it): >=20 > Yup, at least immediate drop to debugger disappeared. I'll check now with= our=20 > situation: quotas with at least one user over quota *and* makinfg snapsho= t on=20 > this filesystem. Your problem shall persist, this patch has nothing to do with it. I am looking for debugging information on deadlock. --zaRBsRFn0XYhEU69 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.3 (FreeBSD) iD8DBQFETkwmC3+MBN1Mb4gRAufdAKDVMk7/kz1LEUyeA2eowCo3guo7TgCeKZvF rIOW2IeWxSnwBEjTQgB6jVU= =KKhi -----END PGP SIGNATURE----- --zaRBsRFn0XYhEU69--
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