Hi, Revisiting the issue below, it there a convinient way to use the FB in barebox without creating a flicker on the LCD in the transition from Barebox to the kernel? Thanks, Boaz. On 03/08/11 09:10, Baruch Siach wrote: > Hi Boaz, > > On Tue, Mar 08, 2011 at 09:03:55AM +0200, Boaz Ben-David wrote: >> Yes, I am using the freescale kernel unfotunately. >> Do you know of some way to fix this (a patch for the freescale kernel >> maybe)? > A simple way to check whether this is the problems is to just disable the > framebuffer in the kernel build, and make sure that you can boot again. > > Then, the fix for this problem is to move the request_irq() call to the end of > the .probe routine. > > You should not expect any kind of support from Freescale for their released > Linux kernels. > > baruch > >> 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 -- *Boaz Ben-David* R&D Engineer cid:image001.jpg@01CBF829.06DE9870 *Tel:*+972.2.6470.709 *Mob:*+972.54.678.1511** *Email**: *boaz.bd@wellsense-tech.com www.themapsystem.com cid:image002.gif@01CBF829.06DE9870 Please consider the impact on the environment before printing this e-mail and/or the attachment(s).