[OLPC-devel] Re: Weekly work summary [6/12]

[Ronald G Minnich]

David Woodhouse wrote:
> On Mon, 2006-07-10 at 13:45 -0600, Ronald G Minnich wrote:
> 
>>>>Probing CS553x NAND controller CS#0 at MMIO 0x20000000
>>>>BUG: unable to handle kernel paging request at virtual address c7800000
>>>
>>>
>>>>This makes ZERO sense to me at present. This appears to be the kernel 
>>>>kmalloc'ing data above the top of memory, where the frame buffer lives. EH?
>>>
>>>
>>>Ohh - I saw that too!  I thought I did something wrong.  I didn't notice that
>>>it was writing clear at the top of memory.  I wonder if we need to pass a 
>>>mem= command line option into the kexeced kernel?
>>
>>no, because if you look it knows how big memory is, and if you make the 
>>kernel+initrd < 1M, it works fine. Although, I found out last night, if 
>>you make the mtd stuff a module, it works fine.
>>
>>Very weird. 
> 
> 
> Indeed. Is that the address we got back from ioremap? 
> 

I have to find that line again.

It's working as a module, so I care less. I just don't understand how to 
invoke mkfs.jffs2 yet.

ron