Date: Mon, 23 Jun 2003 15:30:13 -0700 (PDT) From: "Greg 'groggy' Lehey" <grog@FreeBSD.org> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/52916: vinum causes panic after start/stop/... cycle, easy to reproduce Message-ID: <200306232230.h5NMUDH2053447@freefall.freebsd.org>
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The following reply was made to PR kern/52916; it has been noted by GNATS. From: Greg 'groggy' Lehey <grog@FreeBSD.org> To: Pawel Malachowski <pawmal@unia.3lo.lublin.pl> Cc: Freebsd-gnats-submit@FreeBSD.org Subject: Re: kern/52916: vinum causes panic after start/stop/... cycle, easy to reproduce Date: Tue, 24 Jun 2003 07:52:35 +0930 --fRqxu2t+6O910vVH Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Monday, 23 June 2003 at 23:40:36 +0200, Pawel Malachowski wrote: > On 6 Jun 2003 at 14:52, Greg 'groggy' Lehey wrote: > >> I'm guessing this has something to do with md devices. Do you use >> any? I don't, and every 'vinum start' created one. I've committed a >> fix to vinum(8) (revision 1.31.2.6 of src/sbin/vinum/commands.c). >> Please try it and tell me if it fixes the problem. > > Problem appears when we call (f)sync() while `vinum start' command is working. > After killing syslogd (which was using fsync(), I have both /var/log and /dev > on / fs with SoftUpdates enabled), stability increased. > > I was running /bin/sync frequently during vinum start/stop loop and sometimes I > can see `rm' (and other commands called from make_devices(), src/sbin/vinum/v.c) > complaining it was not possible to remove/recreate device files in /dev/vinum. > Panic happened within few seconds. I'd appreciate answers to my questions. Also a backtrace would help. Greg -- See complete headers for address and phone numbers --fRqxu2t+6O910vVH Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.0 (FreeBSD) iD8DBQE+932rIubykFB6QiMRAvJGAJ4jWOMeTnptkF2MSO0Zx3mtOdZWEgCfXJPI oVQLrEW0qedWFi22JXRhd4g= =RXj2 -----END PGP SIGNATURE----- --fRqxu2t+6O910vVH--
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