2.6.23-rc3 boot hang on MPC8641D

Zhang Wei-r63237 Wei.Zhang at freescale.com
Thu Sep 13 14:38:33 EST 2007


Hi, 

Your flat device tree address seems too low. Try to move the dtb to
higher address such as 0x2000000.

And which version of your u-boot?

Cheers!
- zw

> -----Original Message-----
> From: linuxppc-dev-bounces+wei.zhang=freescale.com at ozlabs.org 
> [mailto:linuxppc-dev-bounces+wei.zhang=freescale.com at ozlabs.or
> g] On Behalf Of sivaji
> Sent: Thursday, September 13, 2007 12:18 PM
> To: linuxppc-dev at ozlabs.org
> Subject: 2.6.23-rc3 boot hang on MPC8641D
> 
> 
> Hi,
>         I am try to boot the 2.6.23-rc3 kernel to my custom 
> board based on
> 8641D Processor. After uncompressing the kernel it was hang. I got the
> following messages.
> 
>    Uncompressing Kernel Image ... OK
>    Booting using flat device tree at 0x600000. 
> 
>        Then i tried to debug with GDB. In my source path i 
> given the command
> ${CROSS_COMPILE}gdb vmlinux, I got GDB Prompt after i tried to set the
> breakpoint at start_kernel. I got follwing messages
> 
> gdb) b start_kernel
> Cannot access memory at address 0xc02b44ec
> 
> Processor Information:
> 8641D processor and the silicon revision is 2.0.
> Part : MPC8641D
> Revision:  2.0
> e600 Core Revision:  2.2
> DeviceMarking:  B
> Processor Version Register Value: 0x8004_0202
> System Version Register Value:   0x8090_0120
> 
>      I don't know how to proceed. Please tell the way how to 
> start kernel
> debug in this situation.
> 
> By
> Sivaji
> -- 
> View this message in context: 
> http://www.nabble.com/2.6.23-rc3-boot-hang-on-MPC8641D-tf44335
> 08.html#a12648489
> Sent from the linuxppc-dev mailing list archive at Nabble.com.
> 
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