[Qemu-devel] VESA VBE support in qemu?

[Qemu-devel] VESA VBE support in qemu?

[Josh Metzler]

I have a hard disk image with Debian Sid installed, along with XFree86 4.3 and 
KDE 3.2 beta1.  I was using this in Bochs to try out the KDE beta, and was 
hoping that I could do the same under Qemu, as it is much faster than Bochs.  
I am able to boot the harddisk image, but XFree86 fails to start up.  The log 
ends with:

(II) VESA: driver for VESA chipsets: vesa
(II) Primary Device is: ISA
(--) Chipset vesa found
(II) resource ranges ...
...
(II) Loading sub module "vbe"
...
(II) Loading sub module "int10"
...
(II) VESA(0): initializing int10
(WW) VESA(0): Bad V_BIOS checksum
(II) VESA(0): Primary V_BIOS segment is: 0xc000
(WW) System lacks support for changing MTRRs
(II) VESA(0): VESA BIOS not detected
(II) UnloadModule: "vesa"
(II) UnloadModule: "int10"
(II) UnloadModule: "vbe"
(EE) Screen(s) found, but none have a usable configuration.

Fatal server error:
no screens found

...

I had no problems configuring, making, or installing qemu.  The vgabios is in 
the correct place.  Does anyone have any ideas for getting XFree86 up and 
running?

Thanks,
Josh

Re: [Qemu-devel] VESA VBE support in qemu?

[malc]

On Fri, 16 Jan 2004, Josh Metzler wrote:

> I have a hard disk image with Debian Sid installed, along with XFree86 4.3 and
> KDE 3.2 beta1.  I was using this in Bochs to try out the KDE beta, and was
> hoping that I could do the same under Qemu, as it is much faster than Bochs.
> I am able to boot the harddisk image, but XFree86 fails to start up.  The log
> ends with:
>
<snip.
>
> I had no problems configuring, making, or installing qemu.  The vgabios is in
> the correct place.  Does anyone have any ideas for getting XFree86 up and
> running?

VGABios and Bochs communicate via some predefined I/O Ports to provide
VBE 1.2(or rather subset of). QEMU does not have this functionality(yet?).
So for the time being, you can not run XFree with vesa driver.

-- 
mailto:malc@pulsesoft.com

Re: [Qemu-devel] VESA VBE support in qemu?

[Michael Torrie]

On Fri, 2004-01-16 at 15:37, malc wrote:

> VGABios and Bochs communicate via some predefined I/O Ports to provide
> VBE 1.2(or rather subset of). QEMU does not have this functionality(yet?).
> So for the time being, you can not run XFree with vesa driver.

Might I suggest running Xnest on the LinuxPPC host, and then just direct
all X applications in your virtual machine to point to the Xnest window
on the host machine.  It will be far faster, although I understand the
appeal of running the complete OS, video and all, in a virtual machine.

Michael

-- 
Michael Torrie <torriem@chem.byu.edu>

Re: [Qemu-devel] VESA VBE support in qemu?

[Fabrice Bellard]

malc wrote:
> On Fri, 16 Jan 2004, Josh Metzler wrote:
> 
> 
>>I have a hard disk image with Debian Sid installed, along with XFree86 4.3 and
>>KDE 3.2 beta1.  I was using this in Bochs to try out the KDE beta, and was
>>hoping that I could do the same under Qemu, as it is much faster than Bochs.
>>I am able to boot the harddisk image, but XFree86 fails to start up.  The log
>>ends with:
>>
> 
> <snip.
> 
>>I had no problems configuring, making, or installing qemu.  The vgabios is in
>>the correct place.  Does anyone have any ideas for getting XFree86 up and
>>running?
> 
> 
> VGABios and Bochs communicate via some predefined I/O Ports to provide
> VBE 1.2(or rather subset of). QEMU does not have this functionality(yet?).
> So for the time being, you can not run XFree with vesa driver.

I would prefer adding S3 VGA support, but it is more complicated as it 
requires PCI to be recognized correctly by most OSes.

Bochs VBE is a lot simpler to add. I'll look at it for 0.5.3 release.

Fabrice.