[Spice-devel] Running SPICE on PPC64

[Denis Kirjanov]

On 4/7/15, Christophe Fergeau <cfergeau at redhat.com> wrote:
> On Mon, Apr 06, 2015 at 01:29:49PM +0300, Denis Kirjanov wrote:
>> On 4/3/15, Christophe Fergeau <cfergeau at redhat.com> wrote:
>> > Hi,
>> >
>> > On Thu, Apr 02, 2015 at 07:11:47PM +0300, Denis Kirjanov wrote:
>> >> The rendering between ppc64 server and x86 client works super slow.
>> >> Any hints where to look at?
>> >
>> > Not really no... Is the same VM over VNC slow or not? Is a VM with the
>> > exactly the same configuration/QEMU command line running on an x86
>> > machine as slow?
>> >
>> > In the end, did you need many changes in order to get SPICE working on
>> > that big-endian box?
>>
>> VNC works perfectly well.
>
> What about a VM with exactly the same configuration as the slow one
> running on x86? I assume it's not slow?
>
>> No many. Mostly patches on initial connection setup.
>
> Ok, feel free to send them once you feel confident enough about them :)
>
>> What I see is a long delay before calling display_channel_send_item
>> with PIPE_ITEM_TYPE_DRAW.
>>
>> I see also a lot of display_channel_release_item: not pushed(101)
>> messages.
>
> Could be a hint, I guess there are more big-endia/little-endian bugs. Is
> that with QXL or with standard VGA ?

Standard VGA since looks like qemu needs some work on binding qxl on
ppc emulated machines.

Ok, I've figured out that the slow behavior was caused by missing kvm support :)

Continuing investigating rendering freeze...

> Christophe
>


-- 
Regards,
Denis