NetBSD Problem Report #45251

From www@NetBSD.org  Sun Aug 14 11:24:26 2011
Return-Path: <www@NetBSD.org>
Received: from mail.netbsd.org (mail.netbsd.org [204.152.190.11])
	by www.NetBSD.org (Postfix) with ESMTP id CDA3963C796
	for <gnats-bugs@gnats.NetBSD.org>; Sun, 14 Aug 2011 11:24:25 +0000 (UTC)
Message-Id: <20110814112425.2DCC763BED8@www.NetBSD.org>
Date: Sun, 14 Aug 2011 11:24:25 +0000 (UTC)
From: ober@netbsd.org
Reply-To: ober@netbsd.org
To: gnats-bugs@NetBSD.org
Subject: Kernel panic on nfs server 
X-Send-Pr-Version: www-1.0

>Number:         45251
>Category:       kern
>Synopsis:       Kernel panic on nfs server - panic: tcp_reass_lock
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Aug 14 11:25:00 +0000 2011
>Closed-Date:    
>Last-Modified:  Wed Mar 14 12:55:03 +0000 2012
>Originator:     Jaime Fournier
>Release:        HEAD/5.99.55 from Jul 22 2011
>Organization:
NetBSD
>Environment:
NetBSD 5.99.55 (GENERIC) #0: Fri Jul 22 14:18:03 UTC 2011
        builds@b7.netbsd.org:/home/builds/ab/HEAD/amd64/201107221240Z-obj/home/builds/ab/HEAD/src/sys/arch/amd64/compile/GENERIC
>Description:
/home/builds/ab/HEAD/src/sys/netinet/tcp_output.c:708: tcpcb 0xffff800003c46010
reass already locked
panic: tcp_reass_lock
cpu0: begin traceback...
fatal page fault in supervisor mode
trap type 6 code 0 rip ffffffff8025d9ff cs 8 rflags 10246 cr2 e00001ff cpl 4 rsp
 ffff8000471a3ff0
Skipping crash dump on recursive panic
panic: trap
Fauled in mid-traceback; aborting;

>How-To-Repeat:
Only one crash after several hours of heavy nfs traffic.

>Fix:
Updated to latest head to see if problem persists.

>Release-Note:

>Audit-Trail:

Responsible-Changed-From-To: port-amd64-maintainer->kern-bug-people
Responsible-Changed-By: dholland@NetBSD.org
Responsible-Changed-When: Tue, 04 Oct 2011 07:34:42 +0000
Responsible-Changed-Why:
MI until proven otherwise


State-Changed-From-To: open->feedback
State-Changed-By: dholland@NetBSD.org
State-Changed-When: Tue, 04 Oct 2011 07:34:42 +0000
State-Changed-Why:
what network card?


From: David Holland <dholland-bugs@netbsd.org>
To: gnats-bugs@netbsd.org
Cc: 
Subject: Re: kern/45251: Kernel panic on nfs server
Date: Sun, 13 Nov 2011 20:18:39 +0000

 Sent to the administrator address instead of gnats-bugs.

    ------

 From: Me Me <jaimef@linbsd.org>
 To: NetBSD Problem Report DB Administrator <gnats@NetBSD.org>
 Cc: ober@netbsd.org
 Subject: Re: Reminder of 1 NetBSD Problem Report awaiting feedback
 Date: Sun, 6 Nov 2011 09:07:54 -0800


 On Nov 4, 2011, at 10:10 PM, NetBSD Problem Report DB Administrator
 wrote:

 > [...snipped by dholland...]
 >
 > port-amd64/45251 - serious medium priority sw-bug
 > 	Kernel panic on nfs server
 > 	http://gnats.NetBSD.org/45251
 Hello,
         The card was a re(4).

State-Changed-From-To: feedback->open
State-Changed-By: dholland@NetBSD.org
State-Changed-When: Sun, 13 Nov 2011 20:20:24 +0000
State-Changed-Why:
feedback received


>Unformatted:

Home	PR Database Search