Re: panic: pmap_map_chunk: no L2 table for VA 0xc0400000

[Chris Gilbert <chris%dokein.co.uk@localhost>]

Donald T Hayford wrote:
> moonchildren wrote:
>> Don,
>>
>> First I would like to thank you for the excellent explanation about
>> how to put NetBSD on NSLU2.
>> I have followed your instructions to the letter.
>>
>> One thing that I was missing was the building of the tools  I have
>> done this with "./build.sh -u -m evbarm -a armeb tools"
>> But after a days work which I enjoyed  I got nothing but  a error 
>> about L2  ?
>>
>> I don't know what this means do you have any idea what went wrong or
>> even better do you have the solution?
>>
>> RedBoot(tm) bootstrap and debug environment
>> [ROMRAM]                                                                     
>>                
>>
>> Red Hat certified release, version 1.92 - built 15:16:07, Feb  3
>> 2004                                                                  
>>                                                                              
>>                                                           
>>
>> Platform: IXDP425 Development Platform
>> (XScale)                                                                     
>>                     
>>
>> Copyright (C) 2000, 2001, 2002, Red Hat,
>> Inc.                                                                         
>>                   
>>
>>                                                                              
>>                                                           
>>
>> RAM: 0x00000000-0x02000000, 0x000723a0-0x01ff3000
>> available                                                                    
>>          
>>
>> FLASH: 0x50000000 - 0x50800000, 64 blocks of 0x00020000 bytes
>> each.                                                                    
>> == Executing boot script in 2.000 seconds - enter ^C to
>> abort                                                                        
>>    
>>
>> ^C                                                                           
>>                                                            
>>
>> RedBoot> ip_address -l 172.16.1.117 -h
>> 172.16.1.1                                                                   
>>                     
>>
>> IP: 172.16.1.117/255.255.255.0, Gateway:
>> 192.168.0.1                                                                  
>>                   
>>
>> Default server: 172.16.1.1, DNS server IP:
>> 0.0.0.0                                                                      
>>                 
>>
>> RedBoot> load -r -b 0x200000
>> nslu2/netbsd-NSLU2_INSTALL.bin                                               
>>                               
>>
>> Using default protocol
>> (TFTP)                                                                       
>>                                     
>>
>> Raw file loaded 0x00200000-0x007bba03, assumed entry at
>> 0x00200000                                                                   
>>    
>>
>> RedBoot>
>> g                                                                            
>>                                                   
>>
>> panic: pmap_map_chunk: no L2 table for VA 0xc0400000 Kind Regards,
>>

Looks like you've run out of kernel VA space early in the boot.

Can you enable VERBOSE_INIT_ARM by adding an options VERBOSE_INIT_ARM to
your kernel config.  It'll give more tracing during bootup.

Thanks,
Chris