Hello all Im trying to get linux up and running on my system.
I have 16MB of SDRAM at 0x20000000 and 2MB of dataflash.
I've started with the at91rm9200dk files in the kernel as my start
point, and I can get it to boot if and only if I disable my dCache.
Im imaging there is a setting somewhere Im over looking that is 
still trying to map the caches with 32MB of ram (which the dk has)
but I have only 16MB.... anyways, below is the full log from power 
till death. Any suggestions on something to try?
Any Help is MUCH apreciated... ive been at this for weeks
and I've almost given up.


xPress any key to enter bootloader

JAM CAM LOADER VER 1.01 Aug 19 2006 12:34:50
*----------------------------------------*
DataFlash:AT45DB161
Nb pages: 004096
Page Size: 000528
Size=02162688 bytes
Logical address: 0xC0000000
*----------------------------------------*
1: Download Dataflash [addr]
2: Read Dataflash [addr]
3: Start U-BOOT
4: Clear bootloader section in Dataflash
5: Run Memory Test
*----------------------------------------*
Enter: 3
Load U-BOOT from dataflash[c0008000] to SDRAM[20f00000]
Set PLLA to 180Mhz and Master clock to 60Mhz and start U-BOOT

U-Boot 1.1.4 (Aug 31 2006 - 21:11:40)

U-Boot code: 20F00000 -> 20F17360  BSS: -> 20F34204
RAM Configuration:
Bank #0: 20000000 16 MB
Atmel: Flash:  0 kB
DataFlash:AT45DB161
Nb pages:   4096
Page Size:    528
Size= 2162688 bytes
Logical address: 0xC0000000
Area 0: C0000000 to C0007FFF (RO)
Area 1: C0008000 to C001FFFF (RO)
Area 2: C0020000 to C0027FFF
Area 3: C0028000 to C020FFFF
In:    serial
Out:   serial
Err:   serial
Hit any key to stop autoboot:  0
U-Boot> tftpboot 20800000 test
TFTP from server 192.168.0.55; our IP address is 192.168.0.56
Filename 'test'.
Load address: 0x20800000
Loading:
#################################################################
        
#################################################################
         #########################################################
done
Bytes transferred = 956208 (e9730 hex)
U-Boot> bootm 20800000 c0123000
## Booting image at 20800000 ...
   Image Name:   Linux-2.6.17
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    956144 Bytes = 933.7 kB
   Load Address: 20008000
   Entry Point:  20008000
   Verifying Checksum ... OK
OK
## Loading Ramdisk Image at c0123000 ...
   Image Name:   Jam Cam Root
   Image Type:   ARM Linux RAMDisk Image (uncompressed)
   Data Size:    734282 Bytes = 717.1 kB
   Load Address: 00000000
   Entry Point:  00000000
   Verifying Checksum ... OK

Starting kernel ...

Uncompressing
Linux.............................................................. done,
booting the kernel.

41129200:00000106:C000507A
2010AB28-202E0028>20008000
202E0028
20008000: E321F0D3 EE109F10 EB0000B1 E1B0A005  0A00005A EB0000C6 E1B08005
0A000068
20008020: EB000014 E59FD0EC E28FE000 E28AF00C  E3800002 E3A0501F EE035F10
EE024F10
20008040: EA000006 00000000 00000000 00000000  00000000 00000000 00000000
00000000
20008060: E1A00000 EE010F10 EE103F10 E1A03003  E1A03003 E1A0F00D E59F4094
E1A00004
20008080: E3A03000 E2806901 E4803004 E4803004  E4803004 E4803004 E1300006
1AFFFFF9
200080A0: E59A7008 E1A06A2F E1873A06 E7843106  E2840A03 E5A03000 E2833601
E5A03004
200080C0: E2833601 E5A03004 E2833601 E5803004  E2840A03 E3876202 E5806000
E3C7700C
200080E0: E5983008 E0840003 E2633901 E3530B02  83A03B02 E0806003 E5983004
E1833007
Linux version 2.6.17 (roboman@littleTi) (gcc version 3.4.5) #4 Thu Sep 21
13:03:29 EDT 2006
CPU: ARM920Tid(wb) [41129200] revision 0 (ARMv4T)
Machine: Jam Cam --> rm9200dk based
Memory policy: ECC disabled, Data cache writeback
Clocks: CPU 179 MHz, master 59 MHz, main 18.432 MHz
CPU0: D VIVT write-back cache
CPU0: I cache: 16384 bytes, associativity 64, 32 byte lines, 8 sets
CPU0: D cache: 16384 bytes, associativity 64, 32 byte lines, 8 sets
Built 1 zonelists
Kernel command line: mem=16M console=ttyS0,115200 root=/dev/ram0 rw
keepinitrd
AT91: 96 gpio irqs in 3 banks
PID hash table entries: 128 (order: 7, 512 bytes)
Console: colour dummy device 80x30
Dentry cache hash table entries: 2048 (order: 1, 8192 bytes)
Inode-cache hash table entries: 1024 (order: 0, 4096 bytes)
Memory: 16MB = 16MB total
Memory: 13500KB available (1540K code, 347K data, 88K init)
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
checking if image is initramfs...it <6>NET: Registered protocol family 16
slab: Internal list corruption detected in cache 'size-32'(84), slabp
c023a000(-2). Hexdump:

000: 84 f9 21 c0 84 f9 21 c0 6c 01 00 00 6c a1 23 c0
010: fe ff ff ff 36 00 00 00 00 00 94 e5 fd ff ff ff
020: fd ff ff ff fd ff ff ff fd ff ff ff fd ff ff ff
030: fd ff ff ff fd ff ff ff fd ff ff ff fe ff ff ff
040: fd ff ff ff fd ff ff ff fd ff ff ff fd ff ff ff
050: 0e 00 00 00 0f 00 00 00 37 00 00 00 fd ff ff ff
060: fd ff ff ff fd ff ff ff fe ff ff ff fd ff ff ff
070: fd ff ff ff fd ff ff ff fd ff ff ff fd ff ff ff
080: fd ff ff ff fd ff ff ff fd ff ff ff fd ff ff ff
090: fd ff ff ff fd ff ff ff fd ff ff ff fd ff ff ff
0a0: fd ff ff ff fd ff ff ff fd ff ff ff fe ff ff ff
0b0: fd ff ff ff fd ff ff ff fe ff ff ff 0d 00 00 00
0c0: fd ff ff ff fd ff ff ff fd ff ff ff fd ff ff ff
0d0: fd ff ff ff fd ff ff ff fd ff ff ff 40 00 00 00
0e0: 30 00 00 00 31 00 00 00 32 00 00 00 33 00 00 00
0f0: 34 00 00 00 35 00 00 00 36 00 00 00 fd ff ff ff
100: fd ff ff ff fd ff ff ff fd ff ff ff fd ff ff ff
110: fd ff ff ff fd ff ff ff fe ff ff ff 41 00 00 00
120: 42 00 00 00 43 00 00 00 44 00 00 00 45 00 00 00
130: 46 00 00 00 47 00 00 00 48 00 00 00 49 00 00 00
140: 4a 00 00 00 4b 00 00 00 4c 00 00 00 4d 00 00 00
150: 4e 00 00 00 4f 00 00 00 50 00 00 00 51 00 00 00
160: 52 00 00 00 53 00 00 00 ff ff ff ff
kernel BUG at mm/slab.c:2700!
Unable to handle kernel NULL pointer dereference at virtual address
00000000
pgd = c0004000
[00000000] *pgd=00000000
Internal error: Oops: 805 [#1]
Modules linked in:
CPU: 0
PC is at __bug+0x40/0x54
LR is at 0x1
pc : [<c0023a08>]    lr : [<00000001>]    Not tainted
sp : c022be3c  ip : 60000093  fp : c022be4c
r10: c021f984  r9 : 0000000a  r8 : c08b6930
r7 : c01f7080  r6 : c023a000  r5 : c01f7080  r4 : 00000000
r3 : 00000000  r2 : 00000000  r1 : 00000a33  r0 : 00000001
Flags: nZCv  IRQs off  FIQs on  Mode SVC_32  Segment kernel
Control: C000717F  Table: 20004000  DAC: 00000017
Process swapper (pid: 1, stack limit = 0xc022a198)
Stack: (0xc022be3c to 0xc022c000)
be20:                                                               
0000016c
be40: c022be6c c022be50 c0066c94 c00239d8 fffffffe c023a0e8 c023a16c
c023a000
be60: c022beb0 c022be70 c006710c c0066bc4 0000002c c022be80 c023a01c
00000036
be80: c08b6944 000000d0 c01f7080 000000d0 60000013 c00a4400 c0220a94
00000000
bea0: c01ae760 c022bed0 c022beb4 c0068224 c0066f28 c023a8a8 c0184cb4
c02d56f4
bec0: fffffff4 c022befc c022bed4 c00a4400 c0068150 00000020 c01a4804
c01a4804
bee0: c01a479c c01ae74c 00000000 00000000 c022bf24 c022bf00 c00e23a0
c00a4374
bf00: c01a479c c01a4804 c01ae894 00000000 00000000 c001c8ec c022bf44
c022bf28
bf20: c00e12c8 c00e22c0 c01a479c c01a4794 c022a000 00000000 c022bf58
c022bf48
bf40: c00e135c c00e122c c01a4794 c022bf7c c022bf5c c00e4748 c00e1350
c022bf68
bf60: c01a4794 c001c784 c022a000 c001ce14 c022bf90 c022bf80 c00e47dc
c00e4674
bf80: 00000000 c022bfa0 c022bf94 c001152c c00e47cc c022bff4 c022bfa4
c001e0f8
bfa0: c0011520 00000001 c001ed84 c002f764 00000000 00000000 c001e058
c0035948
bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000
bfe0: 00000000 00000000 00000000 c022bff8 c0035948 c001e068 e5850004
e3a0100a
Backtrace:
[<c00239c8>] (__bug+0x0/0x54) from [<c0066c94>] (check_slabp+0xe0/0xf8)
 r4 = 0000016C
[<c0066bb4>] (check_slabp+0x0/0xf8) from [<c006710c>]
(cache_alloc_refill+0x1f4/0x6b8)
 r6 = C023A000  r5 = C023A16C  r4 = C023A0E8
[<c0066f18>] (cache_alloc_refill+0x0/0x6b8) from [<c0068224>]
(__kmalloc+0xe4/0x110)
[<c0068140>] (__kmalloc+0x0/0x110) from [<c00a4400>]
(sysfs_create_link+0x9c/0x11c)
 r7 = FFFFFFF4  r6 = C02D56F4  r5 = C0184CB4  r4 = C023A8A8
[<c00a4364>] (sysfs_create_link+0x0/0x11c) from [<c00e23a0>]
(bus_add_device+0xf0/0xfc)
[<c00e22b0>] (bus_add_device+0x0/0xfc) from [<c00e12c8>]
(device_add+0xac/0x124)
[<c00e121c>] (device_add+0x0/0x124) from [<c00e135c>]
(device_register+0x1c/0x20)
 r7 = 00000000  r6 = C022A000  r5 = C01A4794  r4 = C01A479C
[<c00e1340>] (device_register+0x0/0x20) from [<c00e4748>]
(platform_device_add+0xe4/0x158)
 r4 = C01A4794
[<c00e4664>] (platform_device_add+0x0/0x158) from [<c00e47dc>]
(platform_device_register+0x20/0x24)
 r7 = C001CE14  r6 = C022A000  r5 = C001C784  r4 = C01A4794
[<c00e47bc>] (platform_device_register+0x0/0x24) from [<c001152c>]
(at91_add_standard_devices+0x1c/0x2c)
 r4 = 00000000
[<c0011510>] (at91_add_standard_devices+0x0/0x2c) from [<c001e0f8>]
(init+0xa0/0x268)
[<c001e058>] (init+0x0/0x268) from [<c0035948>] (do_exit+0x0/0x7ac)
Code: 1b0041f4 e59f0014 eb0041f2 e3a03000 (e5833000)
 <0>Kernel panic - not syncing: Attempted to kill init!