From: Avi Kivity <avi@redhat.com>
To: Markus Armbruster <armbru@redhat.com>
Cc: kvm@vger.kernel.org, hch@lst.de, Marcelo Tosatti <mtosatti@redhat.com>
Subject: Re: virtio-blk-pci chokes on some PCI slots
Date: Wed, 17 Jun 2009 10:30:04 +0300 [thread overview]
Message-ID: <4A389B7C.5090407@redhat.com> (raw)
In-Reply-To: <87fxe0t9am.fsf@pike.pond.sub.org>
On 06/16/2009 07:47 PM, Markus Armbruster wrote:
> I'm working on make PCI slots configurable in QEMU. While testing the
> feature for virtio-blk-pci, I ran into a task hang with Fedora kernel
> 2.6.27.5-117.fc10. Marcelo tested it with a newer kernel, and will
> follow up with details.
>
>
> Some slots work, e.g. 5, some don't, e.g. 6.
>
> What's going on here?
>
>
Most likely the interrupt wiring is screwed up. Check your connectors,
clear the motherboard of dust (dust + moisture can short out
conductors). If that doesn't work, check if the ACPI interrupt routing
matches the actual routing by the pci code.
--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.
prev parent reply other threads:[~2009-06-17 7:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-16 16:47 virtio-blk-pci chokes on some PCI slots Markus Armbruster
2009-06-16 17:31 ` Marcelo Tosatti
2009-06-18 6:29 ` Markus Armbruster
2009-06-18 11:55 ` Markus Armbruster
2009-06-17 7:30 ` Avi Kivity [this message]
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