iMX35 3stack framebuffer problem

Marc Reilly marc at
Tue Mar 8 00:35:29 EST 2011

On Tuesday, March 08, 2011 03:35:10 am Boaz Ben-David wrote:
> Hi,
> When using the iMX35 freescale 3stack we are having some issues with the FB
> driver. On device boot we enable the fb using "fb0.enable=1" and then try
> to boot the kernel from nand. The problem is that after the kernel is
> loaded to RAM and extracted the board hangs. If we do not init the fb0
> device but simply boot the kernel it works fine. Trying "fb0.enable=0"
> before booting also did not help.
> Did anyone encounter this issue yet or are we doing something wrong?

Are you using the freescale kernel? It doesn't handle loading the IPU driver 
if the IPU has been enabled previously.. (an IRQ fires before all the driver 
structures have been initialized and crashes)


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