You should have a 16 bit memory bus so 8 vs 16 won't make a huge difference.

Most of the time I've seen this in the past its a thread running out of control.
Input thread ? Other ?  Interrupt firing ( watchdog incorrectly set ? )

You can try some simple memsets in a loop to see if they work just set Exclusive
and lock the main surface. That should give you the video ram.

Whats your processor speed ?

And get a newer ARM chip :)

On Jan 10, 2008 5:01 AM, Saroj Kumar <[EMAIL PROTECTED]> wrote:
> Now I created the entry as you mentioned in /etc/fb.modes
> now its switching to tht mode. but no improvement in performance.
> can we use RGB8 or something?
>
>
>
>
> On Jan 10, 2008 6:03 PM, Saroj Kumar < [EMAIL PROTECTED]> wrote:
> >
> >
> >
> >
> >
> > On Jan 10, 2008 5:58 PM, Denis Oliver Kropp <[EMAIL PROTECTED]> wrote:
> >
> > >
> > > Saroj Kumar wrote:
> > > > Hi Denis,
> > > >
> > >
> > > > Here I tested exporting tht env. variable and here is the result.
> > > > Its not able to set the mode.
> > > >
> > > >        =======================|  DirectFB 1.1.1
> |=======================
> > > >           (c) 2001-2007  The DirectFB Organization (directfb.org)
> > > >           (c) 2000-2004  Convergence (integrated media) GmbH
> > > >         ------------------------------------------------------------
> > > >
> > > > (*) DirectFB/Core: Single Application Core. (2008-01-08 10:43)
> > > > (*) Direct/Thread: Running 'VT Switcher' (CRITICAL, 1146)...
> > > > (*) Direct/Thread: Running 'Keyboard Input' (INPUT, 1147)...
> > > > (*) DirectFB/Input: Keyboard 0.9 (directfb.org)
> > > > (*) Direct/Thread: Running 'Linux Input' (INPUT, 1148)...
> > > > (*) DirectFB/Input: Metrologic Metrologic Scanner (1) 0.1
> (directfb.org)
> > > > (*) Direct/Thread: Running 'Linux Input' (INPUT, 1149)...
> > > > (*) DirectFB/Input: AT Raw Set 2 keyboard (2) 0.1 (directfb.org)
> > > > (*) Direct/Thread: Running 'Linux Input' (INPUT, 1150)...
> > > > (*) DirectFB/Input: ImPS/2 Logitech Wheel Mouse (3) 0.1 (
> directfb.org)
> > > > (!) Direct/Modules: Could not open module directory
> > > > `/usr/gtkdfb/lib/directfb-1.1-0/gfxdrivers'!
> > > >     --> No such file or directory
> > > > (*) DirectFB/Graphics: Generic Software Rasterizer 0.6 (directfb.org)
> > > > (*) DirectFB/Core/WM: Default 0.3 (directfb.org)
> > > > (*) FBDev/Mode: Testing 640x240 RGB16
> > >
> > > Do you have such a mode in your /etc/fb.modes?
> >
> >
> > I don't have fb.modes in my /etc folder
> >
> >
> > >
> > >
> > >
> > > mode "640x240"
> > >    geometry 640 240 640 240 8
> > >    timings 0 81 16 33 10 63 2
> > >    hsync high
> > >    vsync high
> > > endmode
> > >
> > > --
> > >
> > >
> > >
> > > Best regards,
> > >  Denis Oliver Kropp
> > >
> > > .------------------------------------------.
> > > | DirectFB - Hardware accelerated graphics |
> > > | http://www.directfb.org/                 |
> > > "------------------------------------------"
> > >
> >
> >
>
>

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