Compaq Smart Array 4200 controller question

[Matthew N. Dodd]

On Wed, 2 Feb 2005, Andrew Heyn wrote:
> I got a 6-CURRENT kernel so I could show you the messages it creates 
> when it times out. Unfortunately, it doesn't seem very useful, but here 
> it is:
>
> ida0: ida_timeout() qactive 1
> ida0: IDA_INTERRUPTS
> ida0:		R_CMD_FIFO: 00000000
> 		R_DONE_FIFO:00000000
> 		R_INT_MASK: 00000000
> 		R_STATUS:	00000000
> 		R_INT_PENDING

Yep, thats what a firmware lockup looks like.

You can confirm this by looking at the pretty lights on the card and 
comparing the pre and post crash state.

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10 40 80 C0 00 FF FF FF FF C0 00 00 00 00 10 AA AA 03 00 00 00 08 00