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From: Gerd Hoffmann <kraxel@redhat.com>
To: Avi Kivity <avi@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] virtio-blk/qdev failure in the current git tree
Date: Wed, 12 Aug 2009 12:19:38 +0200	[thread overview]
Message-ID: <4A82973A.5070005@redhat.com> (raw)
In-Reply-To: <4A8292DB.9000609@redhat.com>

On 08/12/09 12:00, Avi Kivity wrote:
> On 08/12/2009 12:26 PM, Gerd Hoffmann wrote:
>> On 08/11/09 21:28, Gerd Hoffmann wrote:
>>> Hmm. I suspect this is not related to qdev and virtio-blk at all. I've
>>> noticed now and then that some pci devices don't work if you have many
>>> of them. Didn't try (yet) to root-cause that one.
>>
>> More testing: Bare virtual box with just piix+vga. Then place a virtio
>> disk into different slots using addr=. 3,4,5 work fine. 6 gives me:
>>
>> ACPI: Unable to derive IRQ for device 0000:00:06.0
>> ACPI: PCI Interrupt 0000:00:06.0[A]: no GSI - using IRQ 9
>> vda: <hangs here>
>>
>> Looks like a irq routing issue ...
>
> What about qemu-kvm.git (and its bios)?

Works:

ACPI: PCI Interrupt 0000:00:06.0[A] -> Link [LNKB] -> GSI 10 (level, 
high) -> IRQ 10

cheers,
   Gerd

  reply	other threads:[~2009-08-12 10:19 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-08-10 23:56 [Qemu-devel] virtio-blk/qdev failure in the current git tree Christoph Hellwig
2009-08-11  0:29 ` Anthony Liguori
2009-08-11 16:13   ` Christoph Hellwig
2009-08-11 16:36     ` Christoph Hellwig
2009-08-11 18:45       ` Anthony Liguori
2009-08-11 19:28       ` Gerd Hoffmann
2009-08-12  9:26         ` Gerd Hoffmann
2009-08-12 10:00           ` Avi Kivity
2009-08-12 10:19             ` Gerd Hoffmann [this message]
2009-08-12 10:40               ` Gerd Hoffmann
2009-08-12 10:51                 ` Avi Kivity
2009-08-12 11:45                   ` Reimar Döffinger
2009-08-12 21:50             ` Christoph Hellwig
2009-08-12 22:01               ` Anthony Liguori
2009-08-13  9:00                 ` Avi Kivity
2009-08-13 12:07                   ` Gerd Hoffmann
2009-08-13 12:47                   ` Gerd Hoffmann
2009-08-13 13:15                     ` Anthony Liguori
2009-08-13 13:38                       ` Gerd Hoffmann
2009-08-12 10:08           ` Gerd Hoffmann
2009-08-12 21:54             ` Christoph Hellwig

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