From: Gerd Hoffmann <kraxel@redhat.com>
To: Christoph Hellwig <hch@lst.de>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] virtio-blk/qdev failure in the current git tree
Date: Wed, 12 Aug 2009 12:08:53 +0200 [thread overview]
Message-ID: <4A8294B5.6040507@redhat.com> (raw)
In-Reply-To: <4A828ABF.1040306@redhat.com>
On 08/12/09 11:26, 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 ...
With acpi=off the box boots just fine for me with the virtio disk in
slot #6.
Also note there is
pc-bios/bios-pq/0007_bios-add-26-pci-slots,-bringing-the-total-to-32.patch
which adds slots 6 .. 32 to the acpi tables. Maybe that one is incomplete?
cheers,
Gerd
next prev parent reply other threads:[~2009-08-12 10:09 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
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 [this message]
2009-08-12 21:54 ` Christoph Hellwig
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