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Date: Thu, 13 Jun 2002 13:31:21 -0700
From: Jeffrey Hsu <hsu@FreeBSD.org>
Subject: Re: Crash after world/kernel upgrade
To: current@freebsd.org
Cc: sidcarter@symonds.net
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  > Jun 11 22:34:47 calvin kernel: lock order reversal
  > Jun 11 22:34:47 calvin kernel: 1st 0xd311c2f8 inp (inp) @
  > /usr/src/sys/netinet/tcp_usrreq.c:581
  > Jun 11 22:34:47 calvin kernel: 2nd 0xc04a5340 Giant (Giant) @
  > /usr/src/sys/kern/subr_trap.c:76
  > Jun 11 22:34:47 calvin kernel: exclusive sleep mutex inp r = 0
  > (0xd311c2f8) locked @ /usr/src/sys/netinet/tcp_usrreq.c:581
  > Jun 11 22:34:47 calvin kernel: panic: system call shutdown returning with 
mutex(s) held

Some of the networking lock debug messages are supurious, but this one is real
and was fixed late Tuesday night.


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