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fbdev requirement of qemu

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Vieux 10/07/2008, 02h30   #1
PETER EASTHOPE
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Hébergeur:
Par défaut fbdev requirement of qemu

Folk,

I've installed qemu, xserver-xorg-video-fbdev and libggi-target-fbdev
and tried to boot an image.

qemu -m 40 -boot d -cdrom /home/peter/Desk*/AosCD.iso

This error report ensues.
=======================| DirectFB 1.0.1 |=======================
(c) 2001-2007 The DirectFB Organization (directfb.org)
(c) 2000-2004 Convergence (integrated media) GmbH
------------------------------------------------------------

(*) DirectFB/Core: Single Application Core. (2008-05-15 14:24)
(!) Direct/Util: opening '/dev/fb0' and '/dev/fb/0' failed
--> No such file or directory
(!) DirectFB/FBDev: Error opening framebuffer device!
(!) DirectFB/FBDev: Use 'fbdev' option or set FRAMEBUFFER environment variable.
(!) DirectFB/Core: Could not initialize 'system' core!
--> Initialization error!
Could not initialize SDL - exiting
========================================

qemu has no 'fbdev' option that I can see.
Is another package needed to make fbdev work?

Thanks for any ideas, ... Peter E.

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Vieux 12/07/2008, 10h50   #2
Richard Möhn
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Hébergeur:
Par défaut Re: fbdev requirement of qemu

On Wed, Jul 09, 2008 at 06:02:31PM -0700, PETER EASTHOPE wrote:
> I've installed qemu, xserver-xorg-video-fbdev and libggi-target-fbdev
> and tried to boot an image.
>
> qemu -m 40 -boot d -cdrom /home/peter/Desk*/AosCD.iso
>
> This error report ensues.
> =======================| DirectFB 1.0.1 |=======================
> (c) 2001-2007 The DirectFB Organization (directfb.org)
> (c) 2000-2004 Convergence (integrated media) GmbH
> ------------------------------------------------------------
>
> (*) DirectFB/Core: Single Application Core. (2008-05-15 14:24)
> (!) Direct/Util: opening '/dev/fb0' and '/dev/fb/0' failed
> --> No such file or directory
> (!) DirectFB/FBDev: Error opening framebuffer device!
> (!) DirectFB/FBDev: Use 'fbdev' option or set FRAMEBUFFER environment variable.
> (!) DirectFB/Core: Could not initialize 'system' core!
> --> Initialization error!
> Could not initialize SDL - exiting
> ========================================
>
> qemu has no 'fbdev' option that I can see.
> Is another package needed to make fbdev work?
>
> Thanks for any ideas, ... Peter E.
>


Say me the resolution and colour depth of your screen and I say you
what to add after vga= to the kernel line of your /boot/grub/menu.lst.

Nice greetings

Richard


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Vieux 12/07/2008, 17h10   #3
Richard Möhn
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Hébergeur:
Par défaut Re: fbdev requirement of qemu

On Sat, Jul 12, 2008 at 11:45:24AM +0200, Richard Möhn wrote:
> On Wed, Jul 09, 2008 at 06:02:31PM -0700, PETER EASTHOPE wrote:
> > I've installed qemu, xserver-xorg-video-fbdev and libggi-target-fbdev
> > and tried to boot an image.
> >
> > qemu -m 40 -boot d -cdrom /home/peter/Desk*/AosCD.iso
> >
> > This error report ensues.
> > =======================| DirectFB 1.0.1 |=======================
> > (c) 2001-2007 The DirectFB Organization (directfb.org)
> > (c) 2000-2004 Convergence (integrated media) GmbH
> > ------------------------------------------------------------
> >
> > (*) DirectFB/Core: Single Application Core. (2008-05-15 14:24)
> > (!) Direct/Util: opening '/dev/fb0' and '/dev/fb/0' failed
> > --> No such file or directory
> > (!) DirectFB/FBDev: Error opening framebuffer device!
> > (!) DirectFB/FBDev: Use 'fbdev' option or set FRAMEBUFFER environment variable.
> > (!) DirectFB/Core: Could not initialize 'system' core!
> > --> Initialization error!
> > Could not initialize SDL - exiting
> > ========================================
> >
> > qemu has no 'fbdev' option that I can see.
> > Is another package needed to make fbdev work?
> >
> > Thanks for any ideas, ... Peter E.
> >

>
> Say me the resolution and colour depth of your screen and I say you
> what to add after vga= to the kernel line of your /boot/grub/menu.lst.
>
> Nice greetings
>
> Richard
>

Ok, since I cannot answer soon if you will not reply today I have
installed hwinfo and that printed this list to me:

Mode 0x0300: 640x400 (+640), 8 bits
Mode 0x0301: 640x480 (+640), 8 bits
Mode 0x0303: 800x600 (+800), 8 bits
Mode 0x0305: 1024x768 (+1024), 8 bits
Mode 0x0307: 1280x1024 (+1280), 8 bits
Mode 0x030e: 320x200 (+640), 16 bits
Mode 0x030f: 320x200 (+1280), 24 bits
Mode 0x0311: 640x480 (+1280), 16 bits
Mode 0x0312: 640x480 (+2560), 24 bits
Mode 0x0314: 800x600 (+1600), 16 bits
Mode 0x0315: 800x600 (+3200), 24 bits
Mode 0x0317: 1024x768 (+2048), 16 bits
Mode 0x0318: 1024x768 (+4096), 24 bits
Mode 0x031a: 1280x1024 (+2560), 16 bits
Mode 0x031b: 1280x1024 (+5120), 24 bits
Mode 0x031d: 640x400 (+1280), 16 bits
Mode 0x031e: 640x400 (+2560), 24 bits
Mode 0x0320: 1600x1200 (+1600), 8 bits
Mode 0x0322: 1600x1200 (+3200), 16 bits
Mode 0x0324: 1600x1200 (+6400), 24 bits
Mode 0x032a: 640x480 (+1920), 24 bits
Mode 0x032b: 800x600 (+2400), 24 bits
Mode 0x032c: 1024x768 (+3072), 24 bits
Mode 0x032d: 1280x1024 (+3840), 24 bits
Mode 0x032e: 320x200 (+320), 8 bits
Mode 0x0331: 320x240 (+320), 8 bits
Mode 0x0333: 320x240 (+640), 16 bits
Mode 0x0334: 320x240 (+1280), 24 bits
Mode 0x033b: 1400x1050 (+1400), 8 bits
Mode 0x033c: 1400x1050 (+2800), 16 bits
Mode 0x033e: 1400x1050 (+5600), 24 bits
Mode 0x0341: 400x300 (+400), 8 bits
Mode 0x0343: 400x300 (+800), 16 bits
Mode 0x0344: 400x300 (+1600), 24 bits
Mode 0x0351: 512x384 (+512), 8 bits
Mode 0x0353: 512x384 (+1024), 16 bits
Mode 0x0354: 512x384 (+2048), 24 bits
Mode 0x0371: 720x480 (+720), 8 bits
Mode 0x0373: 720x480 (+1440), 16 bits
Mode 0x0374: 720x480 (+2160), 24 bits
Mode 0x0375: 720x480 (+2880), 24 bits
Mode 0x0376: 720x576 (+720), 8 bits
Mode 0x0378: 720x576 (+1440), 16 bits
Mode 0x0379: 720x576 (+2160), 24 bits
Mode 0x037a: 720x576 (+2880), 24 bits

So you have to add the value beginning with "0x" that matches to your video
settings to the kernel line in the /boot/grub/menu.lst.

Richard


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Vieux 13/07/2008, 15h30   #4
Andrei Popescu
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Hébergeur:
Par défaut VGA modes for the supported resolutions [Was: Re: fbdev requirement of qemu]

On Sat,12.Jul.08, 18:06:11, Richard Möhn wrote:

> > Say me the resolution and colour depth of your screen and I say you
> > what to add after vga= to the kernel line of your /boot/grub/menu.lst.
> >
> > Nice greetings
> >
> > Richard
> >

> Ok, since I cannot answer soon if you will not reply today I have
> installed hwinfo and that printed this list to me:


Oh, you're a life-saver. I've beet STFW for the mode 1680x1050, but with
your tip I got it.

Here's another list in case some other poor guy is looking for it:


,----[ hwinfo --framebuffer ]
| 02: None 00.0: 11001 VESA Framebuffer
| [Created at bios.450]
| Unique ID: rdCR.VSBbdW2x3qC
| Hardware Class: framebuffer
| Model: "NVIDIA G86 Board - NV_NB8M "
| Vendor: "NVIDIA Corporation"
| Device: "G86 Board - NV_NB8M "
| SubVendor: "NVIDIA"
| SubDevice:
| Revision: "Chip Rev"
| Memory Size: 14 MB
| Memory Range: 0xd5000000-0xd5dfffff (rw)
| Mode 0x0300: 640x400 (+640), 8 bits
| Mode 0x0301: 640x480 (+640), 8 bits
| Mode 0x0303: 800x600 (+800), 8 bits
| Mode 0x0305: 1024x768 (+1024), 8 bits
| Mode 0x0307: 1280x1024 (+1280), 8 bits
| Mode 0x030e: 320x200 (+640), 16 bits
| Mode 0x030f: 320x200 (+1280), 24 bits
| Mode 0x0311: 640x480 (+1280), 16 bits
| Mode 0x0312: 640x480 (+2560), 24 bits
| Mode 0x0314: 800x600 (+1600), 16 bits
| Mode 0x0315: 800x600 (+3200), 24 bits
| Mode 0x0317: 1024x768 (+2048), 16 bits
| Mode 0x0318: 1024x768 (+4096), 24 bits
| Mode 0x031a: 1280x1024 (+2560), 16 bits
| Mode 0x031b: 1280x1024 (+5120), 24 bits
| Mode 0x0330: 320x200 (+320), 8 bits
| Mode 0x0331: 320x400 (+320), 8 bits
| Mode 0x0332: 320x400 (+640), 16 bits
| Mode 0x0333: 320x400 (+1280), 24 bits
| Mode 0x0334: 320x240 (+320), 8 bits
| Mode 0x0335: 320x240 (+640), 16 bits
| Mode 0x0336: 320x240 (+1280), 24 bits
| Mode 0x033d: 640x400 (+1280), 16 bits
| Mode 0x033e: 640x400 (+2560), 24 bits
| Mode 0x0345: 1600x1200 (+1600), 8 bits
| Mode 0x0346: 1600x1200 (+3200), 16 bits
| Mode 0x0347: 1400x1050 (+1400), 8 bits
| Mode 0x0348: 1400x1050 (+2800), 16 bits
| Mode 0x0349: 1400x1050 (+5600), 24 bits
| Mode 0x034a: 1600x1200 (+6400), 24 bits
| Mode 0x0352: 2048x1536 (+8192), 24 bits
| Mode 0x0360: 1280x800 (+1280), 8 bits
| Mode 0x0361: 1280x800 (+5120), 24 bits
| Mode 0x0362: 768x480 (+768), 8 bits
| Mode 0x0364: 1440x900 (+1440), 8 bits
| Mode 0x0365: 1440x900 (+5760), 24 bits
| Mode 0x0368: 1680x1050 (+1680), 8 bits
| Mode 0x0369: 1680x1050 (+6720), 24 bits
| Mode 0x037c: 1920x1200 (+1920), 8 bits
| Mode 0x037d: 1920x1200 (+7680), 24 bits
| Config Status: cfg=new, avail=yes, need=no, active=unknown
`----

I'm using vga=0x368 since 8 bits are enough for the console and at 24
it's too slow. Maybe I should try nvidiafb? But I recall some problems
with the non-free module... Maybe someone else has tried this?

Regards,
Andrei
--
If you can't explain it simply, you don't understand it well enough.
(Albert Einstein)

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