From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeremy Fitzhardinge <jeremy@goop.org>
Subject: Re: kernel BUG at arch/x86/xen/multicalls.c:103!
Date: Tue, 04 Aug 2009 16:55:21 -0700
Message-ID: <4A78CA69.3090105@goop.org>
References: <481249.38422.qm@web25602.mail.ukl.yahoo.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 7bit
Return-path: <xen-devel-bounces@lists.xensource.com>
In-Reply-To: <481249.38422.qm@web25602.mail.ukl.yahoo.com>
List-Unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xensource.com>
List-Help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-Subscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
Sender: xen-devel-bounces@lists.xensource.com
Errors-To: xen-devel-bounces@lists.xensource.com
To: Olivier NOEL <jmoteuchi@wanadoo.fr>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
List-Id: xen-devel@lists.xenproject.org

On 08/03/09 02:44, Olivier NOEL wrote:
> Hi,
>
> I have this bug when I activate java-6-jdk on Tomcat 5.5.26 in a Lenny Guest :
>   

Does it happen immediately, or after a while?  Does it happen every
time?  How many VCPUs are there?

> Jul 31 21:24:15 tomcat01 kernel: 1 multicall(s) failed: cpu 3
> Jul 31 21:24:15 tomcat01 kernel:   call  1/1: op=14 arg=[b7f1a000] result=-22
> Jul 31 21:24:15 tomcat01 kernel: ------------[ cut here ]------------
> Jul 31 21:24:15 tomcat01 kernel: kernel BUG at arch/x86/xen/multicalls.c:103!
> Jul 31 21:24:15 tomcat01 kernel: invalid opcode: 0000 [#1] SMP
> Jul 31 21:24:15 tomcat01 kernel:
> Jul 31 21:24:15 tomcat01 kernel: Pid: 2467, comm: jsvc Not tainted (2.6.25.7 #1)
> Jul 31 21:24:15 tomcat01 kernel: EIP: 0061:[<c020248b>] EFLAGS: 00010202 CPU: 3
> Jul 31 21:24:15 tomcat01 kernel: EIP is at xen_mc_flush+0x16b/0x180
> Jul 31 21:24:15 tomcat01 kernel: EAX: 00000000 EBX: 00000000 ECX: 00000003 EDX: 00000000
> Jul 31 21:24:15 tomcat01 kernel: ESI: 00000000 EDI: 00000001 EBP: c141a060 ESP: deaadedc
> Jul 31 21:24:15 tomcat01 kernel:  DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0069
> Jul 31 21:24:15 tomcat01 kernel: Process jsvc (pid: 2467, ti=deaac000 task=df6e6000 task.ti=deaac000)
> Jul 31 21:24:15 tomcat01 kernel: Stack: c05a5848 00000001 00000001 0000000e b7f1a000 ffffffea 00000200 00000065
> Jul 31 21:24:15 tomcat01 kernel:        00000000 00000000 b7f1a000 c02592b4 00000065 00000000 df5c3f50 00000000
> Jul 31 21:24:15 tomcat01 kernel:        000b7f1a 00000000 00000000 de827e34 df616210 de827e00 b7f1b000 df616528
> Jul 31 21:24:15 tomcat01 kernel: Call Trace:
> Jul 31 21:24:15 tomcat01 kernel:  [<c02592b4>] mprotect_fixup+0x4b4/0x610
> Jul 31 21:24:15 tomcat01 kernel:  [<c0259554>] sys_mprotect+0x144/0x1d0
> Jul 31 21:24:15 tomcat01 kernel:  [<c0206c22>] syscall_call+0x7/0xb
> Jul 31 21:24:15 tomcat01 kernel:  =======================
> Jul 31 21:24:15 tomcat01 kernel: Code: 00 83 c3 20 89 54 24 08 89 74 24 04 c7 04 24 48 58 5a c0 89 44 24 0c e8 84 fc 01 00 8b 95 00 0b 00 00 39 d6 72 c3 e9 25 ff ff ff <0f> 0b eb fe 0f 0b eb fe 8d b6 00 00 00 00 8d bc 27 00 00 00 00
> Jul 31 21:24:15 tomcat01 kernel: EIP: [<c020248b>] xen_mc_flush+0x16b/0x180 SS:ESP 0069:deaadedc
> Jul 31 21:24:15 tomcat01 kernel: ---[ end trace 9edfe58cbc53ddca ]---
>
>   

Do you get any messages on the Xen console (xm dmesg)?

    J