Re: [Xen-users] PCI device access and debugging output

[Mark Williamson <mark.williamson@xxxxxxxxxxxx>]

> Domain 0 forgot about it

Good.

> When I boot vm 1, I see this in the xend log:
> [2005-07-12 14:44:52 xend] DEBUG (XendDomainInfo:1178) Creating pci
> device dom=3 bus=0 dev=6 func=0
Good.


> I built the device driver in Domain 0 against the kernel source for
> xen-U and the driver loads and claims to see the card. But the
> application I need to access it claims it can't open the device.

Interesting.

> Before I go to the application developer (Asterisk, if you're
> interested), I want to confirm that my xen-U domain really does know
> about the device and the driver is being properly loaded. How would I do
> this beyond the output I pasted above? Is there any way at all?

Check the dmesg output and see what it says - should have some blurb following 
the point where you loaded the module.

Does the driver work in dom0 OK?  Some DMA issues have been fixed in the 
2.0-testing tree recently, so you might want to try that out.

Cheers,
Mark

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