Date: Mon, 18 Nov 2002 11:08:21 -0800 From: Kris Kennaway <kris@obsecurity.org> To: current@FreeBSD.org, alfred@FreeBSD.org, tanimura@FreeBSD.org Subject: Lock order reversals in sys_pipe.c and kern_sig.c Message-ID: <20021118190819.GK12906@rot13.obsecurity.org>
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--7SrMUQONj8Rl9QNG Content-Type: text/plain; charset=us-ascii Content-Disposition: inline I've just turned witness back on on the bento cluster, and got the following lock order reversals a number of times overnight: Nov 18 07:45:40 <user.crit> gohan11 kernel: 1st 0xc6887200 pipe mutex (pipe mutex) @ /local0/src-client/sys/kern/sys_pipe.c:465 Nov 18 07:45:40 <user.crit> gohan11 kernel: 2nd 0xc0447780 sigio lock (sigio lock) @ /local0/src-client/sys/kern/kern_sig.c:2225 Nov 18 10:28:47 <user.crit> gohan10 kernel: 1st 0xc4941580 pipe mutex (pipe mutex) @ /local0/src-client/sys/kern/sys_pipe.c:1038 [...] Are these known problems? Kris --7SrMUQONj8Rl9QNG Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (FreeBSD) iD8DBQE92TqiWry0BWjoQKURAoMJAJ9h7O72M1itiHmoaDw7v6FsQK0ilQCfdJtO qjRBA8fBocqtkQDfiZFjL24= =CCHS -----END PGP SIGNATURE----- --7SrMUQONj8Rl9QNG-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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