I have an ARM9 embedded kit with built-in LCD controller.
if compiled the kernel with FreamBuffer enabled and Graphical console enabled.
I get the Linux logo on my LCD and the console is connected to the /dev/fb0.
but when I try to start the x server (startx)
I get this error:
FBIOPUT_VSCREENINFO: Invalid argument
Fatal server error:
no screens found
Backtrace (1 deep):
0: Xfbdev [0x43fc4]
FatalError re-entered, aborting
Segmentation fault caught
twm: unable to open display ":0"
killall: Xfbdev: no process killed
I even tryed: Xfbdev -screen 320x240 . but I got the same result.
so I traced the call to fb_ioctl in fb_mem.c I found that it was called twice,
the first one it return normaly while the second it returned with error.
so I assumed that (because I don't have virtual fb) it found the first screen
used by the console. that is why it conflected with it.
so I disable the use of graphical console in the kernel. then startx. I get:
Fatal server error:
no screens found
twm: unable to open display ":0"
killall: Xfbdev: no process killed
and when I try to dispaly any information on the /dev/fb0 I can't see it on the
LCD.
any help or ideas will be great.
thanks
yours
Haitham Medhat
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