From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:46713) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1X6g7A-0007zB-Ox for qemu-devel@nongnu.org; Mon, 14 Jul 2014 09:16:29 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1X6g73-0002gX-Rq for qemu-devel@nongnu.org; Mon, 14 Jul 2014 09:16:20 -0400 Received: from indium.canonical.com ([91.189.90.7]:35279) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1X6g73-0002gA-Mk for qemu-devel@nongnu.org; Mon, 14 Jul 2014 09:16:13 -0400 Received: from loganberry.canonical.com ([91.189.90.37]) by indium.canonical.com with esmtp (Exim 4.76 #1 (Debian)) id 1X6g72-0008Iw-Va for ; Mon, 14 Jul 2014 13:16:13 +0000 Received: from loganberry.canonical.com (localhost [127.0.0.1]) by loganberry.canonical.com (Postfix) with ESMTP id E40F92E80BF for ; Mon, 14 Jul 2014 13:16:12 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Date: Mon, 14 Jul 2014 13:07:24 -0000 From: Serge Hallyn <1307473@bugs.launchpad.net> Sender: bounces@canonical.com References: <20140414120717.17314.11606.malonedeb@chaenomeles.canonical.com> <20140714074139.31498.46313.malone@chaenomeles.canonical.com> Message-Id: <20140714130724.GD1132@ubuntumail> Errors-To: bounces@canonical.com Subject: Re: [Qemu-devel] [Bug 1307473] Re: guest hang due to missing clock interrupt Reply-To: Bug 1307473 <1307473@bugs.launchpad.net> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Quoting Ondergetekende (1307473@bugs.launchpad.net): > We've resolved our issues by disabling KSM on the affected nodes. All of > the non-affected nodes didn't have KSM enabled (due to a packaging bug > elsewhere). After disabling KSM, our problems went away gradually in ~3 > days. > = > This means we're no longer affected by this issue (and given the other > reports, probably never were). And which specific kernel are you on? -- = You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1307473 Title: guest hang due to missing clock interrupt Status in QEMU: New Status in =E2=80=9Clinux=E2=80=9D package in Ubuntu: Confirmed Status in =E2=80=9Cqemu=E2=80=9D package in Ubuntu: Confirmed Bug description: = I noticed on 2 different systems that after upgrade from precise to lates= t trusty VMs are crashing: - in case of Windows VMs I'm getting BSOD with error message: "A clock in= terrupt was not received on a secondary processor within the allocated time= interval." - On linux VMs I'm noticing "hrtimer: interrupt took 2992229 ns" messages = - On some proprietary virtual appliances I'm noticing crashes an due to m= issing timer interrupts QEMU version is: QEMU emulator version 1.7.91 (Debian 2.0.0~rc1+dfsg-0ubuntu3) Full command line: qemu-system-x86_64 -enable-kvm -name win7eval -S -machine pc- i440fx-1.7,accel=3Dkvm,usb=3Doff -cpu host -m 4096 -realtime mlock=3Doff -smp 4,sockets=3D1,cores=3D4,threads=3D1 -uuid 05e5089a- 4aa1-6bb2-ef06-a6666b4d020a -no-user-config -nodefaults -chardev socket,id=3Dcharmonitor,path=3D/var/lib/libvirt/qemu/win7eval.monitor,ser= ver,nowait -mon chardev=3Dcharmonitor,id=3Dmonitor,mode=3Dcontrol -rtc base=3Dlocalt= ime -no-shutdown -boot strict=3Don -device piix3-usb- uhci,id=3Dusb,bus=3Dpci.0,addr=3D0x1.0x2 -drive file=3D/var/vm/win7eval.qcow2,if=3Dnone,id=3Ddrive-virtio-disk0,format=3D= qcow2 -device virtio-blk-pci,scsi=3Doff,bus=3Dpci.0,addr=3D0x4,drive=3Ddrive-vi= rtio- disk0,id=3Dvirtio-disk0,bootindex=3D1 -drive file=3D/home/damarion/iso/7600.16385.090713-1255_x86fre_enterprise_en- us_EVAL_Eval_Enterprise-GRMCENEVAL_EN_DVD.iso,if=3Dnone,id=3Ddrive- ide0-0-0,readonly=3Don,format=3Draw -device ide-cd,bus=3Dide.0,unit=3D0,d= rive =3Ddrive-ide0-0-0,id=3Dide0-0-0 -drive file=3D/home/damarion/iso/virtio- win-0.1-74.iso,if=3Dnone,id=3Ddrive-ide0-1-0,readonly=3Don,format=3Draw -device ide-cd,bus=3Dide.1,unit=3D0,drive=3Ddrive-ide0-1-0,id=3Dide0-1-0 -netdev tap,fd=3D24,id=3Dhostnet0 -device e1000,netdev=3Dhostnet0,id=3Dnet0,mac=3D52:54:00:38:31:0a,bus=3Dpci.0,add= r=3D0x3 -chardev pty,id=3Dcharserial0 -device isa- serial,chardev=3Dcharserial0,id=3Dserial0 -device usb-tablet,id=3Dinput0 -vnc 127.0.0.1:1 -device VGA,id=3Dvideo0,bus=3Dpci.0,addr=3D0x2 -device virtio-balloon-pci,id=3Dballoon0,bus=3Dpci.0,addr=3D0x5 To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1307473/+subscriptions