Subject: Re: MPC8343 - "unable to handle paging request @ 0"

From: Scott Wood <[email-masked]>
Date: Wed, 09 Apr 2008 14:15:46 -0500

Andre Schwarz wrote:
> Scott Wood schrieb:
>> Andre Schwarz wrote:
>>>  -> find_legacy_serial_port()
>>> stdout is /soc8343@e0000000/serial@4500
>>
>> It looks like you have some memory corruption between here...
>>
>>> clocksource: timebase mult[3c00001] shift[22] registered
>>>
>>> !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
>>>  -> check_legacy_serial_console()
>>>  can't find stdout package /soc8343@e0000000/serial@4500 !
>>> !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
>>
>> ...and here.
>>
>> -Scott
> 
> Scott,
> 
> are you talking about a possible hardware problem or misbehaving code ?

Either.  The same OF call is done in both places with the same argument, 
but is getting different results.

> Does it look like something gets overwritten during initrd 
> extraction/movement ?

Don't know.

> The system has 512MB RAM which means that we need 2 BAT regs to map the 
> memory. I've found comments in Freescale u-boot header files that 
> currently a max of 256MB is supported. I never understood why ? Could 
> this problem be related to this ?

Kim's probably be the best one to answer u-boot questions.

-Scott