[Qemu-devel] [Bug 584131] Re: some guests hangs after migration (qemu-kvm-0.12)
** Tags added: irq lost migration qemu-kvm -- some guests hangs after migration (qemu-kvm-0.12) https://bugs.launchpad.net/bugs/584131 You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. Status in QEMU: New Status in Debian GNU/Linux: New Bug description: There's a quite good bugreport in Debian BTS about this, #580649: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=580649 This is not the same as lp#341682, since it's now 0.12. Full initial message from #580649: From: Apollon Oikonomopoulos apoi...@gmail.com To: Debian Bug Tracking System sub...@bugs.debian.org Subject: qemu-kvm: Guests hang after live migration Date: Fri, 07 May 2010 16:29:10 +0300 Package: qemu-kvm Version: 0.12.3+dfsg-4 Severity: important Hi, qemu-kvm 0.12.3 causes guests to hang after a live migration. The crash seems to be related to the guest's virtio subsystem, as per the following backtrace obtained _in the guest_: May 7 14:17:32 kot kernel: [ 285.035681] irq 11: nobody cared (try booting with the irqpoll option) May 7 14:17:32 kot kernel: [ 285.035681] Pid: 0, comm: swapper Not tainted 2.6.26-2-amd64 #1 May 7 14:17:32 kot kernel: [ 285.035681] May 7 14:17:32 kot kernel: [ 285.035681] Call Trace: May 7 14:17:32 kot kernel: [ 285.035681] IRQ [a008b06c] :virtio_pci:vp_interrupt+0x27/0xb8 May 7 14:17:32 kot kernel: [ 285.035681] [8026c6d3] __report_bad_irq+0x30/0x72 May 7 14:17:32 kot kernel: [ 285.035681] [8026c912] note_interrupt+0x1fd/0x23b May 7 14:17:32 kot kernel: [ 285.035681] [8026d19b] handle_fasteoi_irq+0xa5/0xc8 May 7 14:17:32 kot kernel: [ 285.035681] [8020f5dc] do_IRQ+0x6d/0xd9 May 7 14:17:32 kot kernel: [ 285.035681] [8020b093] default_idle+0x0/0x49 May 7 14:17:32 kot kernel: [ 285.035681] [8020c45d] ret_from_intr+0x0/0x19 May 7 14:17:32 kot kernel: [ 285.035681] EOI [8021a717] lapic_next_event+0x0/0x13 May 7 14:17:32 kot kernel: [ 285.035681] [8021eb64] native_safe_halt+0x2/0x3 May 7 14:17:32 kot kernel: [ 285.035681] [8021eb64] native_safe_halt+0x2/0x3 May 7 14:17:32 kot kernel: [ 285.035681] [8020b0bd] default_idle+0x2a/0x49 May 7 14:17:32 kot kernel: [ 285.035681] [8020ad04] cpu_idle+0x8e/0xb8 May 7 14:17:32 kot kernel: [ 285.035681] May 7 14:17:32 kot kernel: [ 285.035681] handlers: May 7 14:17:32 kot kernel: [ 285.035681] [8038f27b] (usb_hcd_irq+0x0/0x78) May 7 14:17:32 kot kernel: [ 285.035681] [a008b045] (vp_interrupt+0x0/0xb8 [virtio_pci]) May 7 14:17:32 kot kernel: [ 285.035681] Disabling IRQ #11 This happens in a reproducible fashion on a guest with the following setup: * Virtio net + block devices * 8 CPU SMP * 521 MB RAM * Debian Lenny with 2.6.26-2-amd64 Just migrating the guest a couple of times with a bit of I/O activity will cause it to freeze completely. It does *not* seem to impact the following: * Guests with no virtio devices * Guests running 2.6.32-4-amd64 * Guests running under qemu-kvm-0.11.1 Thus, it seems to be virtio-specific and possibly related to the guest kernel, but since qemu-kvm-0.11.1 works fine, I'm filing it as a qemu-kvm regression and not a kernel bug. Thank you
[Qemu-devel] [Bug 584131] Re: some guests hangs after migration (qemu-kvm-0.12)
** Bug watch added: Debian Bug tracker #580649 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=580649 ** Also affects: debian via http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=580649 Importance: Unknown Status: Unknown -- some guests hangs after migration (qemu-kvm-0.12) https://bugs.launchpad.net/bugs/584131 You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. Status in QEMU: New Status in Debian GNU/Linux: Unknown Bug description: There's a quite good bugreport in Debian BTS about this, #580649: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=580649 This is not the same as lp#341682, since it's now 0.12. Full initial message from #580649: From: Apollon Oikonomopoulos apoi...@gmail.com To: Debian Bug Tracking System sub...@bugs.debian.org Subject: qemu-kvm: Guests hang after live migration Date: Fri, 07 May 2010 16:29:10 +0300 Package: qemu-kvm Version: 0.12.3+dfsg-4 Severity: important Hi, qemu-kvm 0.12.3 causes guests to hang after a live migration. The crash seems to be related to the guest's virtio subsystem, as per the following backtrace obtained _in the guest_: May 7 14:17:32 kot kernel: [ 285.035681] irq 11: nobody cared (try booting with the irqpoll option) May 7 14:17:32 kot kernel: [ 285.035681] Pid: 0, comm: swapper Not tainted 2.6.26-2-amd64 #1 May 7 14:17:32 kot kernel: [ 285.035681] May 7 14:17:32 kot kernel: [ 285.035681] Call Trace: May 7 14:17:32 kot kernel: [ 285.035681] IRQ [a008b06c] :virtio_pci:vp_interrupt+0x27/0xb8 May 7 14:17:32 kot kernel: [ 285.035681] [8026c6d3] __report_bad_irq+0x30/0x72 May 7 14:17:32 kot kernel: [ 285.035681] [8026c912] note_interrupt+0x1fd/0x23b May 7 14:17:32 kot kernel: [ 285.035681] [8026d19b] handle_fasteoi_irq+0xa5/0xc8 May 7 14:17:32 kot kernel: [ 285.035681] [8020f5dc] do_IRQ+0x6d/0xd9 May 7 14:17:32 kot kernel: [ 285.035681] [8020b093] default_idle+0x0/0x49 May 7 14:17:32 kot kernel: [ 285.035681] [8020c45d] ret_from_intr+0x0/0x19 May 7 14:17:32 kot kernel: [ 285.035681] EOI [8021a717] lapic_next_event+0x0/0x13 May 7 14:17:32 kot kernel: [ 285.035681] [8021eb64] native_safe_halt+0x2/0x3 May 7 14:17:32 kot kernel: [ 285.035681] [8021eb64] native_safe_halt+0x2/0x3 May 7 14:17:32 kot kernel: [ 285.035681] [8020b0bd] default_idle+0x2a/0x49 May 7 14:17:32 kot kernel: [ 285.035681] [8020ad04] cpu_idle+0x8e/0xb8 May 7 14:17:32 kot kernel: [ 285.035681] May 7 14:17:32 kot kernel: [ 285.035681] handlers: May 7 14:17:32 kot kernel: [ 285.035681] [8038f27b] (usb_hcd_irq+0x0/0x78) May 7 14:17:32 kot kernel: [ 285.035681] [a008b045] (vp_interrupt+0x0/0xb8 [virtio_pci]) May 7 14:17:32 kot kernel: [ 285.035681] Disabling IRQ #11 This happens in a reproducible fashion on a guest with the following setup: * Virtio net + block devices * 8 CPU SMP * 521 MB RAM * Debian Lenny with 2.6.26-2-amd64 Just migrating the guest a couple of times with a bit of I/O activity will cause it to freeze completely. It does *not* seem to impact the following: * Guests with no virtio devices * Guests running 2.6.32-4-amd64 * Guests running under qemu-kvm-0.11.1 Thus, it seems to be virtio-specific and possibly related to the guest kernel, but since qemu-kvm-0.11.1 works fine, I'm filing it as a qemu-kvm regression and not a kernel bug. Thank you
[Qemu-devel] [Bug 584131] Re: some guests hangs after migration (qemu-kvm-0.12)
** Changed in: debian Status: Unknown = New -- some guests hangs after migration (qemu-kvm-0.12) https://bugs.launchpad.net/bugs/584131 You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. Status in QEMU: New Status in Debian GNU/Linux: New Bug description: There's a quite good bugreport in Debian BTS about this, #580649: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=580649 This is not the same as lp#341682, since it's now 0.12. Full initial message from #580649: From: Apollon Oikonomopoulos apoi...@gmail.com To: Debian Bug Tracking System sub...@bugs.debian.org Subject: qemu-kvm: Guests hang after live migration Date: Fri, 07 May 2010 16:29:10 +0300 Package: qemu-kvm Version: 0.12.3+dfsg-4 Severity: important Hi, qemu-kvm 0.12.3 causes guests to hang after a live migration. The crash seems to be related to the guest's virtio subsystem, as per the following backtrace obtained _in the guest_: May 7 14:17:32 kot kernel: [ 285.035681] irq 11: nobody cared (try booting with the irqpoll option) May 7 14:17:32 kot kernel: [ 285.035681] Pid: 0, comm: swapper Not tainted 2.6.26-2-amd64 #1 May 7 14:17:32 kot kernel: [ 285.035681] May 7 14:17:32 kot kernel: [ 285.035681] Call Trace: May 7 14:17:32 kot kernel: [ 285.035681] IRQ [a008b06c] :virtio_pci:vp_interrupt+0x27/0xb8 May 7 14:17:32 kot kernel: [ 285.035681] [8026c6d3] __report_bad_irq+0x30/0x72 May 7 14:17:32 kot kernel: [ 285.035681] [8026c912] note_interrupt+0x1fd/0x23b May 7 14:17:32 kot kernel: [ 285.035681] [8026d19b] handle_fasteoi_irq+0xa5/0xc8 May 7 14:17:32 kot kernel: [ 285.035681] [8020f5dc] do_IRQ+0x6d/0xd9 May 7 14:17:32 kot kernel: [ 285.035681] [8020b093] default_idle+0x0/0x49 May 7 14:17:32 kot kernel: [ 285.035681] [8020c45d] ret_from_intr+0x0/0x19 May 7 14:17:32 kot kernel: [ 285.035681] EOI [8021a717] lapic_next_event+0x0/0x13 May 7 14:17:32 kot kernel: [ 285.035681] [8021eb64] native_safe_halt+0x2/0x3 May 7 14:17:32 kot kernel: [ 285.035681] [8021eb64] native_safe_halt+0x2/0x3 May 7 14:17:32 kot kernel: [ 285.035681] [8020b0bd] default_idle+0x2a/0x49 May 7 14:17:32 kot kernel: [ 285.035681] [8020ad04] cpu_idle+0x8e/0xb8 May 7 14:17:32 kot kernel: [ 285.035681] May 7 14:17:32 kot kernel: [ 285.035681] handlers: May 7 14:17:32 kot kernel: [ 285.035681] [8038f27b] (usb_hcd_irq+0x0/0x78) May 7 14:17:32 kot kernel: [ 285.035681] [a008b045] (vp_interrupt+0x0/0xb8 [virtio_pci]) May 7 14:17:32 kot kernel: [ 285.035681] Disabling IRQ #11 This happens in a reproducible fashion on a guest with the following setup: * Virtio net + block devices * 8 CPU SMP * 521 MB RAM * Debian Lenny with 2.6.26-2-amd64 Just migrating the guest a couple of times with a bit of I/O activity will cause it to freeze completely. It does *not* seem to impact the following: * Guests with no virtio devices * Guests running 2.6.32-4-amd64 * Guests running under qemu-kvm-0.11.1 Thus, it seems to be virtio-specific and possibly related to the guest kernel, but since qemu-kvm-0.11.1 works fine, I'm filing it as a qemu-kvm regression and not a kernel bug. Thank you
