iMX35 3stack framebuffer problem

Boaz Ben-David boaz.bd at wellsense-tech.com
Tue Mar 8 02:03:55 EST 2011


Yes, I am using the freescale kernel unfotunately.
Do you know of some way to fix this (a patch for the freescale kernel
maybe)?

Thanks,

Boaz.


On Tue, 2011-03-08 at 16:35 +1100, Marc Reilly wrote:
> 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)
> 
> Cheers,
> Marc
> 
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