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Old 07-10-2008, 01:02 AM
PETER EASTHOPE
 
Default 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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Old 07-12-2008, 09:45 AM
Richard Möhn
 
Default 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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Old 07-12-2008, 04:06 PM
Richard Möhn
 
Default 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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Old 07-13-2008, 03:45 PM
 
Default fbdev requirement of qemu

Hello Richard Möhn and Andrei Popescu,

rm> ... since I cannot answer soon if you will not reply today ...

Sorry. I am not ignoring replies. Work
prevented attention before the weekend.

rm> ... installed hwinfo and that printed this list ...

Many thanks. Will try specifying video modes
when at work in Vancouver this week and try to
report success or failure by the next weekend.

ap> I'm using vga=0x368 ...

Logically, the reason for specifying a video
mode at startup is not obvious. Why can't qemu
and directfb proceed using a default video mode?

Thanks, ... Peter E.

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= http://carnot.pathology.ubc.ca/
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