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Re: error in reading frame-buffer device

shubhendu forced the electrons to say:
> i want to open  /dev/fb* for doing ioctl on it 
> my problem is open always returns -1 
> what may be the reason ??

How do we know?? Did you try printing out strerror (errno)?

> one more observation if i try to use "cp" on /dev/fb[0-7] 
> system says that /dev/fb1 : no such device but "ls" shows its 
> there

Just having the /dev entry is not a substitute for having the actual