ahci cd0 issue

[Jakub Lach]

Alexander Motin-3 wrote:
> 
> Andriy Gapon wrote:
>> k3b did "something" to my cd0 while tasting it and after that IDE
>> activity LED was
>> constantly on and I got a never-ending stream of messages like the
>> following:
>> 
>> ahcich5: Timeout on slot 25
>> ahcich5: Timeout on slot 26
>> ahcich5: Timeout on slot 29
>> ahcich5: Timeout on slot 30
>> ahcich5: Timeout on slot 1
>> ahcich5: Timeout on slot 2
>> ahcich5: Timeout on slot 5
>> ahcich5: Timeout on slot 6
>> ahcich5: Timeout on slot 9
>> ahcich5: Timeout on slot 10
>> ...
>> and so on.
>> cd0 is on ahcich5.
>> 
>> This is head r196558.
> 
> I don't know what initially caused the problem, but new ATA-CAM 
> infrastructure is still lacks of proper timeout error recovery. It is 
> not easy part, but I am working on it.
> 
> -- 
> Alexander Motin
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> 
> 

Hello.

One more thing, smartmontools also refuse to work.

(non ATA/ATAPI device)

All ports I mentioned were rebuilt.

As it's WIP, I understand that this should be expected.

-best regards, 
Jakub Lach
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