Date: Sun, 25 Feb 2007 16:04:59 -0500 From: Kris Kennaway <kris@obsecurity.org> To: freebsd-questions@freebsd.org Subject: Re: kernel debug messages Message-ID: <20070225210458.GA78419@xor.obsecurity.org> In-Reply-To: <45E1A9DE.4040209@netfence.it> References: <45E1A9DE.4040209@netfence.it>
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--wRRV7LY7NUeQGEoC Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Feb 25, 2007 at 04:23:10PM +0100, Andrea Venturoli wrote: > In the meanwhile I have seen this in the log: >=20 > >Feb 24 17:51:53 soth kernel: lock order reversal: > >Feb 24 17:51:53 soth kernel: 1st 0xc6a37090 inp (divinp) @=20 > >/usr/src/sys/netinet/ip_divert.c:336 > >Feb 24 17:51:53 soth kernel: 2nd 0xc070a18c tcp (tcp) @=20 > >/usr/src/sys/netinet/ip_fw2.c:1982 > >Feb 24 17:51:53 soth kernel: KDB: stack backtrace: > Any comments? Divert sockets are known to have lock order reversals which can cause deadlocks under certain situations. I think this particular one has not been reported, so you might like to send it to bz@FreeBSD.org for inclusion in his list (http://sources.zabbadoz.net/freebsd/lor.html). You might like to ping the net@ list to see if anyone is working on fixing these problems. Kris --wRRV7LY7NUeQGEoC Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (FreeBSD) iD8DBQFF4fn6Wry0BWjoQKURAh5KAKCjQXLeyfbJivyAeAyQdHFCICJh6gCg7A+b w/KnJllE3GA1Fi8cyIRrvFs= =NtjW -----END PGP SIGNATURE----- --wRRV7LY7NUeQGEoC--
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