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xen-devel
Re: [Xen-devel] PCI passthrough w/ shared IRQ in xen/master
On 19/02/2010 16:55, "Michael D Labriola" <mlabriol@xxxxxxxx> wrote:
> Commented out the entire contents of note_interrupt(). Only installed the
> new kernel on my dom0. That does in fact keep my dom0 from killing my
> SATA controller, but my PCI ATM card still doesn't quite work in the domU.
> How exactly do I tell if the domU is getting the interrupts?
cat /proc/interrupts
You can also use Xen's 'i' debug key to dump its guest interrupt
information, and see where it thinks it is routing each physical interrupt
line to.
> The card works well enough for the ATM daemons to set up a PVC, but when I
> try to ping the host on the other side I get nothing. Actually, after a
> few minutes, I start getting this message:
>
> ping: sendmsg: No buffer space available
Hm, well, failure to transmit could be various things other than simply not
receiving interrupts.
-- Keir
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