Re: [Xen-devel] Xen 4.4 trunk: device [xxxx:yyyy] has invalid IRQ; check vendor BIOS

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 25.11.13 at 22:43, Mark Hurenkamp <mark.hurenkamp@xxxxxxxxx> wrote:
> On 2013-11-25 20:16, Mark Hurenkamp wrote:
>> 
>> Looking at the output of dmesg, there is a clear hint of what might be
>> wrong; it lists several (>10) of the following messages:
>> [    3.957006] pcieport 0000:00:01.0: device [8086:0d01] has invalid
>> IRQ; check vendor BIOS
>> [    3.957018] pcieport 0000:00:01.0: can't find IRQ for PCI INT A;
>> please try using pci=biosirq
> 
> Additionally, i found some more strangeness in the dmesg output:
> [    3.725793] pci 0000:06:00.0: BAR 15: can't assign mem pref (size 
> 0x200000)
> [    3.725796] pci 0000:06:04.0: BAR 14: can't assign mem (size 
> 0x200000)
> Also repeating several times for multiple devices.
> Could this be related to the problems i see?
> 
>> This while booting the same kernel (3.13-rc1) without xen works fine.

With all of the above - posting just snippets is not going to suffice
if you want any help with this. Please attach full logs at maximum
log level: hypervisor, dom0 kernel, and natively run kernel (either
the same binary as used for dom0, or making sure the configs are
sufficiently similar).

Jan


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