MPC8641 based custom board Kernel stuck at 1000Mhz core clock

[sanjeev sharma]

Are you able to capture kernel logs ?

Regards
Sanjeev Sharma


On Thu, Mar 27, 2014 at 10:01 PM, <Valdis.Kletnieks at vt.edu> wrote:

> On Thu, 27 Mar 2014 16:04:37 +0530, Ashish said:
> > Hi,
> >
> >   I am using MPC8641-HPCN based custom board and able to boot linux at
> > MPX clock 400Mhz and core clock 800mhz. When I am increasing core
> > frequency ie MPX clock at 400Mhz and core at 1Ghz, kernel stuck.
>
> Step 0:  Prove to us that your core actually runs reliable and stably at
> 1Ghz.
>
> Step 1: Figure out *where* it gets stuck.  If you have earlyprintk working
> on
> your board, adding 'initcall_debug ignore_loglevel' to the kernel cmdline
> often
> helps track down where a kernel hangs during boot.
>
>
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