Re: Kernel mode prefetch abort with -current on J728

On Sat, May 20, 2006 at 07:10:20AM -0400, Alex Poylisher wrote:
> 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


The problem seems to be in the keyboard driver (or caused by the keyboard
driver) because if you take it out, it will boot fine.

I've a work-around in my tree but I don't understand why it works...
needs more investigation.

-- 
Peter Postma