Re: NetBSD 5.99.22 Dom0 + xentools33 + pci export + linux domu

[Christoph Egger <Christoph_Egger%gmx.de@localhost>]

On 25.12.09 23:28, Juraj Hercek wrote:
> On 12/25/2009 08:44 PM, Manuel Bouyer wrote:
>> On Fri, Dec 25, 2009 at 01:04:22PM +0100, Juraj Hercek wrote:
>>    ...
>>> I have attached an output of domU dmesg and "pcictl pci0 list". I noted
>>> one suspicious line in domU dmesg:
>>>
>>>    xen_alloc_contig: XENMEM_decrease_reservation failed!
>>>
>>> which comes from _xen_alloc_contig() in xen_bus_dma.c file, line 102.
>>> Maybe this is related to the issue I have after shuting down of the
>>> domU...
>>>      
>> Did the USB controller work after this ?
>>    
> 
> I had to hide also 00:1d.7 (ehci thing) on dom0 boot line. Otherwise,
> dom0 would take the control over USB key I tried to connect to USB port
> regardless of the booted domU (Linux/NetBSD).
> 
> When I booted NetBSD domU (only 000:00:1d.0 imported), this is what I
> got on screen:
> 
> umas0 at uhub0 port 1 configuration 1 interface 0
> umass0: USB 2.0 USB Flash Drive, rev. 2.00/1.00, addr 2
> xen_alloc_config: XENMEM_decrease_reservation failed!
> umass0: no buffer memory
> 
> and domU didn't see connected USB key. Linux domU worked fine under the
> same conditions.

Can you try xen-debug.gz, please? Xen should print some information
on dom0 console what is happening.

Christoph