From owner-freebsd-bugs@FreeBSD.ORG Tue Sep 6 04:10:12 2005 Return-Path: X-Original-To: freebsd-bugs@hub.freebsd.org Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 93D5116A41F for ; Tue, 6 Sep 2005 04:10:12 +0000 (GMT) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21]) by mx1.FreeBSD.org (Postfix) with ESMTP id 187DE43D49 for ; Tue, 6 Sep 2005 04:10:12 +0000 (GMT) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.13.3/8.13.3) with ESMTP id j864ABah034827 for ; Tue, 6 Sep 2005 04:10:11 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.13.3/8.13.1/Submit) id j864ABSc034825; Tue, 6 Sep 2005 04:10:11 GMT (envelope-from gnats) Resent-Date: Tue, 6 Sep 2005 04:10:11 GMT Resent-Message-Id: <200509060410.j864ABSc034825@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Kris Kennaway Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id B963716A41F for ; Tue, 6 Sep 2005 04:00:39 +0000 (GMT) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (www.freebsd.org [216.136.204.117]) by mx1.FreeBSD.org (Postfix) with ESMTP id 179AA43D46 for ; Tue, 6 Sep 2005 04:00:39 +0000 (GMT) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (localhost [127.0.0.1]) by www.freebsd.org (8.13.1/8.13.1) with ESMTP id j8640YNV084523 for ; Tue, 6 Sep 2005 04:00:34 GMT (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.13.1/8.13.1/Submit) id j8640YdY084522; Tue, 6 Sep 2005 04:00:34 GMT (envelope-from nobody) Message-Id: <200509060400.j8640YdY084522@www.freebsd.org> Date: Tue, 6 Sep 2005 04:00:34 GMT From: Kris Kennaway To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-2.3 Cc: Subject: kern/85780: 'panic: bogus refcnt 0' in routing/ipv6 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 06 Sep 2005 04:10:12 -0000 >Number: 85780 >Category: kern >Synopsis: 'panic: bogus refcnt 0' in routing/ipv6 >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue Sep 06 04:10:11 GMT 2005 >Closed-Date: >Last-Modified: >Originator: Kris Kennaway >Release: 7.0 >Organization: FreeBSD >Environment: sparc64 >Description: This panic occurred on an SMP sparc64 machine. > panic: bogus refcnt 0 > cpuid = 0 > KDB: enter: panic > [thread pid 15 tid 100003 ] > Stopped at kdb_enter+0x3c: ta %xcc, 1 > db> wh > Tracing pid 15 tid 100003 td 0xfffff8001fb75680 > panic() at panic+0x164 > rtfree() at rtfree+0x7c > nd6_na_output() at nd6_na_output+0x4d0 > nd6_ns_input() at nd6_ns_input+0x704 > icmp6_input() at icmp6_input+0xc38 > ip6_input() at ip6_input+0xf5c > netisr_processqueue() at netisr_processqueue+0x7c > swi_net() at swi_net+0xdc > ithread_loop() at ithread_loop+0x18c > fork_exit() at fork_exit+0x94 > fork_trampoline() at fork_trampoline+0x8 It uses ipv6 to e.g. mount nfs /home directories and for ssh traffic, but the machine seems to have been idle at the time of panic (no other processes active on the other CPUs, and nothing much else running on the system either). core available. >How-To-Repeat: It's only happened once so far. >Fix: >Release-Note: >Audit-Trail: >Unformatted: