Date: Thu, 3 May 2001 10:57:24 -0400 From: Chris Faulhaber <jedgar@fxp.org> To: Matthew Jacob <mjacob@feral.com> Cc: current@freebsd.org Subject: Re: lock order reversals, anyone? Message-ID: <20010503105724.A14089@peitho.fxp.org> In-Reply-To: <Pine.BSF.4.21.0105030730150.91500-100000@beppo.feral.com>; from mjacob@feral.com on Thu, May 03, 2001 at 07:31:50AM -0700 References: <Pine.BSF.4.21.0105030730150.91500-100000@beppo.feral.com>
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[-- Attachment #1 --] On Thu, May 03, 2001 at 07:31:50AM -0700, Matthew Jacob wrote: > > T-o-T about 24 hours ago: > > > lock order reversal > > 1st lockmgr interlock last acquired @ /usr/src/sys/kern/kern_lock.c:239 > > 2nd 0xfffffe0025df8548 process lock @ /usr/src/sys/kern/kern_exit.c:542 > > 3rd 0xfffffe0000aab8d0 lockmgr interlock @ > /usr/src/sys/kern/kern_lock.c:239 > > acquiring duplicate lock of same type: "allproc" > > 1st @ /usr/src/sys/kern/kern_proc.c:609 > > 2nd @ /usr/src/sys/kern/kern_proc.c:146 > > lock order reversal > > 1st vnode interlock last acquired @ /usr/src/sys/ufs/ffs/ffs_vfsops.c:397 > > 2nd 0xfffffc000080f218 mntvnode @ /usr/src/sys/ufs/ffs/ffs_vfsops.c:464 > > 3rd 0xfffffe0026918080 vnode interlock @ /usr/src/sys/kern/vfs_subr.c:1881 > > pid 288 (nsrexecd), uid 0: exited on signal 11 (core dumped) > > (oh, yeah, a 4.1 built executable is dying, charming) > Don't know about your 4.1 executable, but the lock order reversals are a well known issue: http://www.FreeBSD.org/cgi/getmsg.cgi?fetch=161827+165415+/usr/local/www/db/text/2001/freebsd-current/20010429.freebsd-current and http://www.FreeBSD.org/cgi/getmsg.cgi?fetch=91622+94620+/usr/local/www/db/text/2001/freebsd-current/20010422.freebsd-current -- Chris D. Faulhaber - jedgar@fxp.org - jedgar@FreeBSD.org -------------------------------------------------------- FreeBSD: The Power To Serve - http://www.FreeBSD.org [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.5 (FreeBSD) Comment: FreeBSD: The Power To Serve iEYEARECAAYFAjrxcdQACgkQObaG4P6BelAlFgCeO3VKm05LAGF/M1La+o5UsFDP orwAnj0y5QizLrgo9AYkAJtKI2bKABk5 =kGlC -----END PGP SIGNATURE-----
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