From: "Michael S. Tsirkin" <mst@redhat.com>
To: lidong chen <chen.lidong.kernel@gmail.com>
Cc: Avi Kivity <avi@redhat.com>, kvm@vger.kernel.org
Subject: Re: virtio_net sometimes didn't work
Date: Thu, 9 Dec 2010 15:22:46 +0200 [thread overview]
Message-ID: <20101209132246.GA22460@redhat.com> (raw)
In-Reply-To: <AANLkTik=0JhZKDJRJpXP=vMkaOnOdzuFOQx+dhzLPurg@mail.gmail.com>
On Fri, Nov 26, 2010 at 10:38:33AM +0800, lidong chen wrote:
> Does this message appear on boot, or after some stress?
> on boot, and only appear when boot from network.
>
> Which qemu-kvm version?
> [root@kvm-4slot ~]# /usr/libexec/qemu-kvm --version
> QEMU PC emulator version 0.12.1 (qemu-kvm-0.12.1.2), Copyright (c)
> 2003-2008 Fabrice Bellard
what happens with the latest qemu?
> Does cherry-picking 3fff0179e33cd7d0a688dab65700c46ad089e934 help?
> the virtio_pci have already used this patch, still have this problem.
>
> What does info irqs show in qemu?
> how to collect this information?
>
> but I found if modify the slot number of balloon device from 0x03 to
> 0x09, the problem solved.
>
> <memballoon model='virtio'>
> <alias name='balloon0'/>
> <address type='pci' domain='0x0000' bus='0x00' slot='0x09'
> function='0x0'/>
> </memballoon>
Interesting. Is it possible that even after baloon is moved,
there's still the message in guest, only this time
things keep going afterwards?
> and i found someone else also meet this problem.
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/584675
>
>
>
> 2010/11/25 Michael S. Tsirkin <mst@redhat.com>:
> > On Thu, Nov 25, 2010 at 10:21:24PM +0800, lidong chen wrote:
> >> [version]
> >> the host os version is 2.6.32
> >
> > Which qemu-kvm version?
> >
> >> the guest os version is 2.6.16
> >>
> >> [dmesg]
> >> ACPI: (supports S3 S4 S5)
> >> Freeing unused kernel memory: 200k freed
> >> input: ImExPS/2 Generic Explorer Mouse as /class/input/input2
> >> ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11
> >> ACPI: PCI Interrupt 0000:00:03.0[A] -> Link [LNKC] -> GSI 11 (level,
> >> high) -> IRQ 11
> >> io address 0001c040ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 10
> >> ACPI: PCI Interrupt 0000:00:04.0[A] -> Link [LNKD] -> GSI 10 (level,
> >> high) -> IRQ 10
> >> io address 0001c060ACPI: PCI Interrupt Link [LNKA] enabled at IRQ 10
> >> ACPI: PCI Interrupt 0000:00:05.0[A] -> Link [LNKA] -> GSI 10 (level,
> >> high) -> IRQ 10
> >> io address 0001c080ACPI: PCI Interrupt Link [LNKB] enabled at IRQ 11
> >> ACPI: PCI Interrupt 0000:00:06.0[A] -> Link [LNKB] -> GSI 11 (level,
> >> high) -> IRQ 11
> >> io address 0001c0a0<6>ACPI: PCI Interrupt 0000:00:07.0[A] -> Link
> >> [LNKC] -> GSI 11 (level, high) -> IRQ 11
> >> io address 0001c0c0<6>ACPI: PCI Interrupt 0000:00:08.0[A] -> Link
> >> [LNKD] -> GSI 10 (level, high) -> IRQ 10
> >> io address 0001c0e0
> >> irq 11: nobody cared (try booting with the "irqpoll" option)
> >> [<c01457b0>] __report_bad_irq+0x2b/0x69
> >> [<c0145979>] note_interrupt+0x18b/0x1b2
> >> [<c01452a9>] handle_IRQ_event+0x26/0x51
> >> [<c014537f>] __do_IRQ+0xab/0xdc
> >> [<c0106445>] do_IRQ+0x46/0x53
> >> [<c0104e8a>] common_interrupt+0x1a/0x20
> >> [<c01276f2>] __do_softirq+0x4f/0xc2
> >> [<c0127793>] do_softirq+0x2e/0x32
> >> [<c0104f3c>] apic_timer_interrupt+0x1c/0x30
> >> [<c0102d55>] default_idle+0x2e/0x5c
> >> [<c0102e14>] cpu_idle+0x91/0xad
> >> [<c03946e5>] start_kernel+0x34c/0x353
> >> handlers:
> >> [<f88252ee>] (vp_interrupt+0x0/0x3e [virtio_pci])
> >> Disabling IRQ #11
> >
> > Does this message appear on boot, or after some stress?
> > Does cherry-picking 3fff0179e33cd7d0a688dab65700c46ad089e934 help?
> > Happens with a newer kernel as guest?
> > What does info irqs show in qemu?
> >
> >
> > --
> > MST
> > --
> > To unsubscribe from this list: send the line "unsubscribe kvm" in
> > the body of a message to majordomo@vger.kernel.org
> > More majordomo info at http://vger.kernel.org/majordomo-info.html
> >
next prev parent reply other threads:[~2010-12-09 13:23 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-25 14:21 virtio_net sometimes didn't work lidong chen
2010-11-25 15:06 ` Michael S. Tsirkin
2010-11-26 2:38 ` lidong chen
2010-12-09 13:22 ` Michael S. Tsirkin [this message]
2011-02-16 1:53 ` lidong chen
2011-02-16 5:10 ` Michael S. Tsirkin
2011-02-16 8:00 ` lidong chen
2011-02-16 8:19 ` Michael S. Tsirkin
2011-06-23 5:37 ` lidong chen
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