Date: Wed, 7 Mar 2001 01:04:22 -0800 From: Kris Kennaway <kris@obsecurity.org> To: Trevin Chow <tmchow@sfu.ca> Cc: questions@freebsd.org Subject: Re: Kernel Crashing -- tail of vmcore.0 Message-ID: <20010307010422.A259@mollari.cthul.hu> In-Reply-To: <Pine.GSO.4.30.0103061834310.17372-100000@fraser.sfu.ca>; from tmchow@sfu.ca on Tue, Mar 06, 2001 at 06:36:34PM -0800 References: <Pine.GSO.4.30.0103061834310.17372-100000@fraser.sfu.ca>
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[-- Attachment #1 --] On Tue, Mar 06, 2001 at 06:36:34PM -0800, Trevin Chow wrote: > Hi, > > My kernel has been crashing like crazy at unexpected times, usually > during heavy load (usually while I"m compiling something). > > I had no idea why, but on recommendation of someone on the list I > installed a debugging kernel and set dumpdev in my /etc/rc.conf file. > > Here is the tail of my /var/crash/vmcore.0 file: > > ------------------- > mode = 0100644, inum = 450752, fs = /usr > panic: ffs_valloc: dup alloc > > syncing disks... 119 117 91 61 28 7 > done > Uptime: 1d18h32m12s > > dumping to dev #ad/0x20001, offset 163840 > dump ata0: resetting devices .. done > 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 > 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 > 1 > ------------------ > > Does this help at all in diagnosing the cause of my crashes? No - see the handbook section on kernel debugging for how to generate the information needed by developers to diagnose a kernel panic. You're part-way there. However, putting on my Magic Telepathy Beanie, I predict that you are using an old version of FreeBSD (i.e. not a recent 4.2-STABLE dated in the last 4 months or so) and this panic has already been fixed [*]. Update or wait a few weeks for 4.3-RELEASE. Kris [*] A panic with similar signature to this was fixed in that timeframe. [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.4 (FreeBSD) Comment: For info see http://www.gnupg.org iD8DBQE6pfmWWry0BWjoQKURAgyNAJ4rmTTE0U/GeEAp7H4sxBACnFihfQCg5I8C mVQmun5QalNb+XaqwB39oqc= =AMCc -----END PGP SIGNATURE-----
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