From owner-freebsd-current  Mon Sep  9 13:43:46 2002
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To: hsu@freebsd.org, jennifer@freebsd.org
Cc: current@freebsd.org
Subject: -current panic with IPv6.
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Date: Mon, 09 Sep 2002 21:43:41 +0100
From: David Malone <dwmalone@maths.tcd.ie>
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I've got the following panic a few times using IPv6 on a recent
-current (while scping a file usually):

panic: mutex inp not owned at ../../../netinet/tcp_output.c:131
panic: from debugger

the trace back seems to involve getting an ICMP message and then
calling tcp code.

	David.

#0  0xc01f50ab in doadump ()
#1  0xc01f5549 in boot ()
#2  0xc01f5778 in panic ()
#3  0xc013eb12 in db_panic ()
#4  0xc013ea92 in db_command ()
#5  0xc013eba6 in db_command_loop ()
#6  0xc014177a in db_trap ()
#7  0xc02fe3f2 in kdb_trap ()
#8  0xc030e2a7 in trap ()
#9  0xc02ffb68 in calltrap ()
#10 0xc01f5760 in panic ()
#11 0xc01ebd7c in _mtx_assert ()
#12 0xc02751ea in tcp_output ()
#13 0xc0277d41 in tcp_mtudisc ()
#14 0xc028929b in in6_pcbnotify ()
#15 0xc02779ce in tcp6_ctlinput ()
#16 0xc0280c17 in icmp6_notify_error ()
#17 0xc0280629 in icmp6_input ()
#18 0xc028d848 in ip6_input ()
#19 0xc028cbc1 in ip6intr ()
#20 0xc01e2003 in swi_net ()
#21 0xc01e1c52 in ithread_loop ()
#22 0xc01e08ff in fork_exit ()


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