From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael S. Tsirkin" Subject: Re: virtio_net sometimes didn't work Date: Thu, 9 Dec 2010 15:22:46 +0200 Message-ID: <20101209132246.GA22460@redhat.com> References: <20101125150634.GA17597@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Avi Kivity , kvm@vger.kernel.org To: lidong chen Return-path: Received: from mx1.redhat.com ([209.132.183.28]:61559 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755345Ab0LINXL (ORCPT ); Thu, 9 Dec 2010 08:23:11 -0500 Content-Disposition: inline In-Reply-To: Sender: kvm-owner@vger.kernel.org List-ID: 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. >=20 > 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. >=20 > What does info irqs show in qemu? > how to collect this information? >=20 > but I found if modify the slot number of balloon device from 0x03 to > 0x09, the problem solved. >=20 > > >
function=3D'0x0'/> > 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 >=20 >=20 >=20 > 2010/11/25 Michael S. Tsirkin : > > 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 (leve= l, > >> 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 (leve= l, > >> 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 (leve= l, > >> 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 (leve= l, > >> 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) > >> =A0[] __report_bad_irq+0x2b/0x69 > >> =A0[] note_interrupt+0x18b/0x1b2 > >> =A0[] handle_IRQ_event+0x26/0x51 > >> =A0[] __do_IRQ+0xab/0xdc > >> =A0[] do_IRQ+0x46/0x53 > >> =A0[] common_interrupt+0x1a/0x20 > >> =A0[] __do_softirq+0x4f/0xc2 > >> =A0[] do_softirq+0x2e/0x32 > >> =A0[] apic_timer_interrupt+0x1c/0x30 > >> =A0[] default_idle+0x2e/0x5c > >> =A0[] cpu_idle+0x91/0xad > >> =A0[] start_kernel+0x34c/0x353 > >> handlers: > >> [] (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 =A0http://vger.kernel.org/majordomo-info.htm= l > >