From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754326AbYHYT4l (ORCPT ); Mon, 25 Aug 2008 15:56:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753905AbYHYT4d (ORCPT ); Mon, 25 Aug 2008 15:56:33 -0400 Received: from qb-out-0506.google.com ([72.14.204.224]:21610 "EHLO qb-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751576AbYHYT4c (ORCPT ); Mon, 25 Aug 2008 15:56:32 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=googlemail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=lWuScVRAUn1560/Go2kMh+Ja/TWlw8mOhfBIkm39RECAM3bdGtG3K+JFFSX1bgzpZx Li0VtJkN7b98D1j6NYK7eEkGcNN1hDjbkOezkJcKbxgZ3sTDEFCRLRIwi4lJ2AkC2rHH FHIEuLbvEE7oQ/7hLOkm9eB2fjLr4zWcmLIBo= Message-ID: <39fd98ca0808251256nd0fc975n231b6213acb94b69@mail.gmail.com> Date: Mon, 25 Aug 2008 20:56:31 +0100 From: "Sally-Anne Edwards" To: "Jeremy Fitzhardinge" Subject: Re: Fwd: domU lenny not working: BUG: unable to handle kernel paging request at e7437cc0 Cc: linux-kernel@vger.kernel.org, ijc@hellion.org.uk In-Reply-To: <48B3099E.3060407@goop.org> MIME-Version: 1.0 Content-Type: text/plain; charset=KOI8-R Content-Disposition: inline References: <39fd98ca0808240801x7edbe0e6gf242f08de88cd92c@mail.gmail.com> <39fd98ca0808240804p454faff9u289abfc074dbea3@mail.gmail.com> <48B3099E.3060407@goop.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by alpha id m7PJundq028070 2008/8/25 Jeremy Fitzhardinge :> Sally-Anne Edwards wrote:>> Re-sending, because Gmail sent the original as HTML and the list rejected it>>>> xm-debian.cfg from http://people.debian.org/~joeyh/d-i/images/daily>> (24/08/08), options selected (ignoring the comments and the code at>> the bottom):>>>> memory = 256>> name = "debtest1">> vif = ['bridge=eth0']>> disk = ['phy:/dev/mapper/VolGroup00-debtest1,xvda,w']>>>> domU started like this:>>>> xm create -c xm-debtest1.cfg install=true>> install-installer=http://people.debian.org/~joeyh/d-i/images/daily>>>> The error:>>>> Does this happen consistently, or is it a one-off? It is consistent - I believe Ian has seen it too >>> ‚€€€€€€€€€€€€€€€‡ Detecting disks and all other hardware †€€€€€€€€€€€€€€€€ƒ>> >> 0% >> >> [ 97.520018] BUG: unable to handle kernel paging request at e7437cc0 >> [ 97.520018] IP: [] :xen_blkfront:blkif_interrupt+0x5d/0x18a >> [ 97.520018] Oops: 0000 [#1] SMP €€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€…>> [ 97.520018] Modules linked in: xen_blkfront(+) rsrc_nonstatic>> pcmcia_core thermal_sys xen_netfront>> [ 97.520018]>> [ 97.520018] Pid: 475, comm: klogd Not tainted (2.6.26-1-686-bigmem #1)>> [ 97.520018] EIP: 0061:[] EFLAGS: 00010807 CPU: 0>> [ 97.520018] EIP is at blkif_interrupt+0x5d/0x18a [xen_blkfront]>> [ 97.520018] EAX: 18009c00 EBX: cf42e000 ECX: 00000200 EDX: 00000200>> [ 97.520018] ESI: 00000000 EDI: cd4fe0ac EBP: ca000100 ESP: ce411f2c>> [ 97.520018] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0069>> [ 97.520018] Process klogd (pid: 475, ti=ce410000 task=cfc60140>> task.ti=ce410000)>> [ 97.520018] Stack: c01043ca 00000001 00000002 00000200 c14efd00>> 00000001 cfdfaaa0 00000000>> [ 97.520018] 00000000 00000007 c0158c36 c0386ec0 00000007>> 00000000 c0386ef0 c0159ed5>> [ 97.520018] 000002a0 c0386ec0 00000000 00000007 c010afd2>> 00000000 00000001 fffffffe>> [ 97.520018] Call Trace:>> [ 97.520018] [] xen_mc_flush+0x118/0x13b>> [ 97.520018] [] handle_IRQ_event+0x23/0x51>> [ 97.520018] [] handle_level_irq+0x73/0xb6>> [ 97.520018] [] do_IRQ+0x4d/0x63>> [ 97.520018] [] xen_evtchn_do_upcall+0x8b/0xf1>> [ 97.520018] [] xen_do_upcall+0x7/0xc>> [ 97.520018] =======================>> [ 97.520018] Code: 8b 43 1c 89 44 24 04 89 44 24 14 e9 e2 00 00 00>> 8b 43 20 31 f6 48 23 44 24 04 6b c0 6c 8d 78 40 03 7b 24 8b 2f 69 c5>> 9c 00 00 00 <8b> 94 18 c0 00 00 00 8d 44 18 54 89 44 24 10 89 14 24 eb>> 12 8b>> [ 97.520018] EIP: [] blkif_interrupt+0x5d/0x18a>>>> I haven't see this oops before, but I think the code in question> correlates to:>> bret = RING_GET_RESPONSE(&info->ring, i);> id = bret->id;> req = (struct request *)info->shadow[id].request;>> which suggests the backend driver is passing back a bogus request ID.>> What's your host environment?> Debian, freshly installed from a recent lenny test CD, amd64 Kernel is 2.6.18 amd64 from Debian etch 2.6.18-6-xen-amd64 #1 SMP Tue Aug 19 06:15:09 UTC 2008 x86_64 GNU/Linuxÿôèº{.nÇ+‰·Ÿ®‰­†+%ŠËÿ±éݶ¥Šwÿº{.nÇ+‰·¥Š{±þG«éÿŠ{ayºʇڙë,j­¢f£¢·hšïêÿ‘êçz_è®(­éšŽŠÝ¢j"ú¶m§ÿÿ¾«þG«éÿ¢¸?™¨è­Ú&£ø§~á¶iO•æ¬z·švØ^¶m§ÿÿà ÿ¶ìÿ¢¸?–I¥