Linux crashes during memory mapping

Steven Blakeslee BlakesleeS at embeddedplanet.com
Thu Mar 31 22:53:04 EST 2005


> 	I do not have any problem with the functioning of U-Boot but
Linux crashes after       
> printing "Uncompressing Kernel ... OK" and then it seems that nothing
is happening.

Do you have the SYPCR(serial watch dog timer) disabled?

	


>	3. The memory map of the VPN Board (MY BOARD) is as folllows: 
>
===================================================================== 
>	Memory Region            Size
Address Range                         
>
====================================================================== 
>	SDRAM                    32MByte                      0000_0000
-- 01FF_FFFF                  
>	Flash                    32MByte                      FF00_0000
-- FFFF_FFFF   

Have you done a full test to make sure your RAM is correctly mapped?

	  

>	This is what the console log buffer has shown: 
>
================================================================= 
>	md 0x00177e34 
>
>	00177e34: 3c363e6d 73746172 743d303c 363e6d73
<6>mstart=0<6>ms 
>	00177e44: 697a653d 303c363e 66737461 72743d30
ize=0<6>fstart=0 
>	00177e54: 3c363e66 73697a65 3d303c36 3e696d6d
<6>fsize=0<6>imm 
>	00177e64: 723d303c 363e626f 74666c61 673d303c
r=0<6>botflag=0< 
>	00177e74: 363e6970 6164643d 303c363e 65616464
6>ipadd=0<6>eadd 
>	00177e84: 3d633031 35303032 383c363e 65737065
=c0150028<6>espe 
>	00177e94: 643d303c 363e696e 6974663d 303c363e
d=0<6>initf=0<6> 
>	00177ea4: 62757366 3d303c36 3e63706d 663d303c
busf=0<6>cpmf=0< 
>	00177eb4: 363e6272 67663d30 3c363e73 6363663d
6>brgf=0<6>sccf= 
>	00177ec4: 303c363e 76636f3d 303c363e 62617564
0<6>vco=0<6>baud 
>	00177ed4: 3d304f6f 70733a20 6b65726e 656c2061    =0Oops: kernel
a 
	
These values do not look correct.  Everything is zero.



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