From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=52351 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OJrNo-00066r-OU for qemu-devel@nongnu.org; Wed, 02 Jun 2010 13:05:38 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OJrNg-0007Zg-1v for qemu-devel@nongnu.org; Wed, 02 Jun 2010 13:05:30 -0400 Received: from adelie.canonical.com ([91.189.90.139]:50931) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OJrNf-0007Za-Ra for qemu-devel@nongnu.org; Wed, 02 Jun 2010 13:05:28 -0400 Received: from loganberry.canonical.com ([91.189.90.37]) by adelie.canonical.com with esmtp (Exim 4.69 #1 (Debian)) id 1OJrNe-000818-Ce for ; Wed, 02 Jun 2010 18:05:26 +0100 Received: from loganberry.canonical.com (localhost [127.0.0.1]) by loganberry.canonical.com (Postfix) with ESMTP id 5A6872E80F1 for ; Wed, 2 Jun 2010 18:05:25 +0100 (BST) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Date: Wed, 02 Jun 2010 17:00:12 -0000 From: Anthony Liguori Sender: bounces@canonical.com References: <20100324221929.19590.58686.malonedeb@wampee.canonical.com> Message-Id: <20100602170012.14606.43139.malone@wampee.canonical.com> Errors-To: bounces@canonical.com Subject: [Qemu-devel] [Bug 546458] Re: kernel NULL pointer in -virtual (-server) kernel Reply-To: Bug 546458 <546458@bugs.launchpad.net> List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org I see no indication that this is actually a qemu issue. If there's any evidence that it is, please reopen. ** Changed in: qemu Status: New =3D> Invalid -- = kernel NULL pointer in -virtual (-server) kernel https://bugs.launchpad.net/bugs/546458 You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. Status in QEMU: Invalid Status in =E2=80=9Clinux=E2=80=9D package in Ubuntu: Triaged Status in =E2=80=9Cqemu-kvm=E2=80=9D package in Ubuntu: Confirmed Status in =E2=80=9Clinux=E2=80=9D package in Fedora: Unknown Bug description: When stress testing eucalyptus we have run into this oops inside VMs [ 82.907577] BUG: unable to handle kernel NULL pointer dereference at 000= 0000000000358^M [ 82.908842] IP: [] sym_int_sir+0x2a8/0x750^M [ 82.909773] PGD 0 ^M [ 82.910110] Thread overran stack, or stack corrupted^M [ 82.910870] Oops: 0000 [#1] SMP ^M [ 82.911407] last sysfs file: /sys/devices/virtual/block/ram9/uevent^M We launched 18 instances, 2 of them failed this way. The instances run wit= h 192M of memory. With 6 VM launches on a single node all at the same time= the host is under heavy load. This occurred in 20100323 lucid x86_64 uec-image instance. ProblemType: Bug AlsaDevices: Error: command ['ls', '-l', '/dev/snd/'] failed with exit code= 2: ls: cannot access /dev/snd/: No such file or directory AplayDevices: Error: [Errno 2] No such file or directory Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory CurrentDmesg: = Date: Wed Mar 24 22:06:32 2010 DistroRelease: Ubuntu 10.04 Frequency: Once a day. Lsusb: Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub MachineType: Bochs Bochs Package: linux-image-2.6.32-16-virtual 2.6.32-16.25 PciMultimedia: = ProcCmdLine: root=3D/dev/sda1 console=3DttyS0 ProcEnviron: LANG=3Den_US.UTF-8 SHELL=3D/bin/bash ProcVersionSignature: User Name 2.6.32-16.25-server Regression: No Reproducible: No SourcePackage: linux TestedUpstream: No Uname: Linux 2.6.32-16-server x86_64 dmi.bios.date: 01/01/2007 dmi.bios.vendor: Bochs dmi.bios.version: Bochs dmi.chassis.type: 1 dmi.chassis.vendor: Bochs dmi.modalias: dmi:bvnBochs:bvrBochs:bd01/01/2007:svnBochs:pnBochs:pvr:cvnBo= chs:ct1:cvr: dmi.product.name: Bochs dmi.sys.vendor: Bochs