Re: [Xen-devel] xsa46-4.2.patch breaks PCI passthrough?

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 05.05.13 at 12:53, Steven Haigh <netwiz@xxxxxxxxx> wrote:
> Debug log is now attached to the bug report. Its a little large to 
> attach here.
> 
> http://xen.crc.id.au/bugs/file_download.php?file_id=13&type=bug 

>(XEN) **DBG perms { 16, 1 } = 0

I'm surprised by this if the test was done without the xend
adjustment, whereas this

>(XEN) **DBG perms { 34, 1 } = -22
>(XEN)  Domain 2, nr_pirqs 80
>(XEN)  dom_pirq_to_irq(34) = 0

is expected without a prior physdev_map_pirq() invocation. I'm
meanwhile guessing that there might be a second place in xend
where under some condition that call is being issued - that could
also explain the -EEXIST observed with the xend adjustment in
place.

Jan


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