Have seen this on boot with every kernel since 3.99.19:                         
                                                                                
..                                                                             
                                                                                
wdc0 at pcmcia1 function 0: <CF Card, CFA 02GB CKS>                             
wdc0: i/o mapped mode                                                           
atabus0 at wdc0 channel 0                                                       
wd0 at atabus0 drive0Fatal kernel prefetch abort at 0xc09bdb64                  
trapframe: 0xc2960e74, spsr=a0000013                                            
r0=c0d96800, r1=000001ae, r2=00000000, r3=20000093                              
r4=0000000b, r5=c20ecd14, r6=c0d95d00, r7=c0265258                              
r8=00000002, r9=00000002, r10=c2055000, r11=c2960f58                            
r12=00000000, ssp=c2960ec0, sir=c0d970f0, pc=c09bdb64                           
                                                                                
Stopped at      0xcc09bdb64:    address 0xc09bdb64 is invalid                   
andgt   r5, r5, #0x00000000                                                     
db>                                                                            
..                                                                             
                                                                                
Kernel config attached, any ideas appreciated.                                  
                                                                                
--                                                                              
Alex Poylisher                                                                  
sher{at}komkon{dot}org