[Mesa-users] linux-fbdev

[Jamie Amendolagine]

Ah. I'll try compiling qemu from source to see what options there are etc --
it looks like there is a kms option and maybe qemu from the ubuntu repo is
not enabling it...
If I can not get that to work, is there a best way to get
mesa/egl/ogles-1/2/ovg working without X11? Even in software mode?

Jamie




On Tue, Jun 1, 2010 at 7:20 PM, Chia-I Wu <olvaffe at gmail.com> wrote:

> On Wed, Jun 2, 2010 at 1:13 AM, Jamie Amendolagine
> <jamie.amendolagine at gmail.com> wrote:
> > So, I can't find any instructions on getting this up and running
> > (x86-linux-uclibc-mesa-7.8.1 / qemu). I think that I'm pretty close. Any
> > help is much appreciated, and I promise to submit any patches that are
> > useful...
> >
> > So far I've got the kernel (2.6.34) built with kms, and vmwgfx support. I
> > boot an x86 image (uclibc) in qemu.
> >
> > /usr/bin/qemu -kernel '/home/jamie/neworyzans/bzImage.kms2' -append
> > 'root=/dev/sda rw video=vmwgfx ' -boot c -m 128 -hda
> > '/home/jamie/neworyzans/output/images/rootfs.i686.ext2' -net
> > nic,vlan=0,model=e1000 -net tap,ifname=tap0,script=/etc/qemu-ifup  -vga
> > vmware
> >
> > on boot I modprobe the modules:
> > modprobe vmwgfx
> > The gfx resolution changes (corrupting the console), and the following
> > modules seem to load OK:
> >
> > lsmod:
> > Module                  Size  Used by    Tainted: G
> > vmwgfx                 62458  0
> > ttm                    49037  1 vmwgfx
> > drm                   164569  2 vmwgfx,ttm
> > agpgart                31292  2 ttm,drm
> >
> > qemu complains with the following:
> > vmsvga_value_write: Bad colour depth: 24 bits
> > vmsvga_value_write: Bad register 09
> > vmsvga_value_write: Bad register 0a
> > vmsvga_value_write: Bad register 0b
> >
> >
> > If I go ahead and try and run an app, I get this:
> > export EGL_DRIVER=/usr/local/lib/egl/egl_kms_vmwgfx.so
> > cd progs/egl
> > ./eglscreen
> > segfault
> >
> > ./strace ./eglscreen
> > (attached out.txt)
> >
> >
> > on the console running qemu I get this:
> > vmsvga_value_write: Bad register 22
> > vmsvga_value_write: Bad register 22
> > vmsvga_value_write: Bad register 22
> > vmsvga_value_write: Bad register 22
> > ...
> > vmsvga_value_write: Bad register 22
> > vmsvga_value_write: Bad register 22
> > vmsvga_value_write: Bad register 22
> > vmsvga_value_write: Bad register 22
> >
> > Am I doing anything obviously wrong?
> I don't think qemu SVGA emulation implements the 3D interface used by
> gallium
> vmwgfx driver.  It might be the problem.
>
>
> --
> olv at LunarG.com
>
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