Re: [Xen-devel] [TestDay] F20 Xen 4.4 RC3 Spice support

[Eric Houby <ehouby@xxxxxxxxx>]

On Thu, 2014-02-06 at 08:35 +0100, Fabio Fantoni wrote:


>         Is there a knob for qxl support?
>         
>         [root@xen ~]# cat /var/log/xen/qemu-dm-f20.log
>         qemu-system-i386: -vga qxl: invalid option

> 
> Here there is a patch that add qxl support in libxl updated to xen
> 4.4-rc3 if you want add it:
> https://github.com/Fantu/Xen/commit/f1e3f78f7b9580700591cebd98e9263645bff56b
> 
> Or you can simply compile from this already ready for spice/qxl
> testing:
> https://github.com/Fantu/Xen/commits/rebase/m2r-testing
> 
> 
> 
> Is not upstream for now because there is something on xen that make it
> not working on linux domUs with qxl driver active and working with
> high performance problem on windows domUs.
> I spent several days without finding the exact problem to be solved :(
> If you want you can try it out and see if anything changes using
> Fedora instead of Debian as dom0, differents kernel domUs etc.
> Maybe you could even find some new informations/errors useful for
> solving the problem.
> 

I am not very familiar with compiling nor with github, but I did learn
that by adding .patch to your first link, it was possible to get the
changes in a patch file format.  Applying the patch generated these
errors:

[root@xen xen]# patch -p1 < patch1.txt 
patching file docs/man/xl.cfg.pod.5
Hunk #2 FAILED at 1085.
1 out of 2 hunks FAILED -- saving rejects to file
docs/man/xl.cfg.pod.5.rej
patching file tools/libxl/libxl_create.c
Hunk #1 FAILED at 229.
Hunk #2 FAILED at 252.
2 out of 2 hunks FAILED -- saving rejects to file
tools/libxl/libxl_create.c.rej
patching file tools/libxl/libxl_dm.c
Hunk #1 succeeded at 217 with fuzz 2 (offset -3 lines).
Hunk #2 succeeded at 517 with fuzz 2 (offset -5 lines).
patching file tools/libxl/libxl_types.idl
Hunk #1 FAILED at 154.
1 out of 1 hunk FAILED -- saving rejects to file
tools/libxl/libxl_types.idl.rej
patching file tools/libxl/xl_cmdimpl.c
Hunk #1 FAILED at 1669.
1 out of 1 hunk FAILED -- saving rejects to file
tools/libxl/xl_cmdimpl.c.rej

By inspecting the code, I could tell that there were some missing
patches (VGA interface type none was missing) compared to the RC3 source
that I have.  Would you mind helping with the additional patches that I
need?  Is so, I will try to help with the qxl issue.

Thanks,

Eric



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