Re: [Xen-devel] Xen-4.0.0, qemu-xen-4.0, pvops 2.6.32.10 combo on debian-lenny

[Arvind R <arvino55@xxxxxxxxx>]

On Mon, Apr 12, 2010 at 8:24 PM, Konrad Rzeszutek Wilk
<konrad.wilk@xxxxxxxxxx> wrote:
> On Sun, Apr 11, 2010 at 07:52:41PM +0530, Arvind R wrote:
>> Hi,
>> Just done installing .deb packages of Xen-4.0, xen-qemu-dm-4.0, with pvops
>> kernel-2.6.32.10 with backported nouveau.
>>
>> Enable XEN_GNTDEV in kernel config - or sdl-enabled domUs will be mere
>> blank windows.
>> This is changed in qemu-dm-4.0 from qemu-dm-3.4
>
> Ahh, I remember seeing those errors on QEMU and never tracked them down
> further than that..
> .. snip ..
>> Next task - get a new virsh up:-)  Never tried it before. Or track down 
>> fbdev:-(
>
> By fbdev you mean QEMU SDL dependency on the GNTDEV? Or is this issues
> with the Dom0 fbdev itself so the barebone SDL apps on top of fb don't
> work properly?
>
The latter. There are issues with KMS Xorg server (1.7.5+) that
prevents fbdev (DDX)
from working on Xen.

The dependency on GNTDEV is ok if documented, and is because qemu-dm
has some new xc_gnttab_map_gnt_ref() code in xen_console.c and xen_backend.c
- haven't pursued it.

Meanwhile, have packaged all but remus. xl create fails on waiting for
tap creation
but xl destroy works. Lots of failure modes overall - very unstable I guess.

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