Re: [Qemu-devel] [PATCH] virtio: Notice when the system doesn't support MSIx at all

[Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>]

On 20/05/15 16:10, Richard Henderson wrote:

> On 05/20/2015 02:59 AM, Michael S. Tsirkin wrote:
>> On Tue, May 19, 2015 at 01:29:51PM -0700, Richard Henderson wrote:
>>> And do not issue an error_report in that case.
>>>
>>> Signed-off-by: Richard Henderson <rth@twiddle.net>
>>> ---
>>>  hw/virtio/virtio-pci.c | 15 ++++++++++-----
>>>  1 file changed, 10 insertions(+), 5 deletions(-)
>>> --
>>>
>>> This seems to be about the only sane way to test the value of
>>> msi_supported from here.  Thoughts?
>>>
>>>
>>> r~
>>
>> Can you please include the qemu command-line that triggers the error
>> in the commit log?
> 
> $ ../run/bin/qemu-system-alpha -drive file=foo.img,if=virtio,format=raw
> qemu-system-alpha: -drive file=foo.img,if=virtio,format=raw: unable to init
> msix vectors to 2

I also get the same message on qemu-system-sparc64 as below (FWIW I did
raise this on-list months ago but no-one replied to my post at the time):

./qemu-system-sparc64 -drive
file=debian-7.7.0-sparc-netinst.iso,if=virtio,readonly=on,index=1 -nographic


ATB,

Mark.