Date: Tue, 25 Apr 2006 20:05:25 +0400 (MSD) From: Dmitry Morozovsky <marck@rinet.ru> To: Kostik Belousov <kostikbel@gmail.com> Cc: stable@freebsd.org, Kris Kennaway <kris@obsecurity.org> Subject: Re: fsck_ufs locked in snaplk Message-ID: <20060425200348.B71240@woozle.rinet.ru> In-Reply-To: <20060425153909.GE1446@deviant.kiev.zoral.com.ua> References: <20060424181531.GA13774@xor.obsecurity.org> <20060425001751.S44618@woozle.rinet.ru> <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>
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On Tue, 25 Apr 2006, Kostik Belousov wrote: KB> > I just made lab machine with serial console, compile minimal kernel with quotas KB> > and KDB+WITNESS, and immediately after ``quotacheck /var && quotaon /var'' got KB> > KB> > kdb_backtrace(d663aba0,c051f402,c05f7da3,c05fe731,c32cb414) at KB> > kdb_backtrace+0x29 KB> > vfs_badlock(c05f7da3,c05fe731,c32cb414) at vfs_badlock+0x11 KB> > assert_vop_locked(c32cb414,c05fe731,c30ed400,c04eac2c,c05f6cf4) at 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): Yup, at least immediate drop to debugger disappeared. I'll check now with our situation: quotas with at least one user over quota *and* makinfg snapshot on this filesystem. Sincerely, D.Marck [DM5020, MCK-RIPE, DM3-RIPN] ------------------------------------------------------------------------ *** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck@rinet.ru *** ------------------------------------------------------------------------
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