Re: ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=207594611

From: Scott Long <scottl_at_samsco.org>
Date: Wed, 15 Sep 2004 15:05:34 -0600
Søren Schmidt wrote:
> Mike Jakubik wrote:
> 
>> Søren Schmidt said:
>>
>>
>>> You are having massive ICRC problems which are different and most likely
>>> due to bad cables/connectors or cables that are turned around (blue
>>> connector at controller, black/grey at devices), or it can be a
>>> weak/overloaded PSU.
>>>
>> This is a different error message from what everyone else, including 
>> me is
>> reporting. What about the errors we are getting?
> 
> 
> I have no idea, I can't reproduce the problem at all. However I suspect 
> somthing else is blocking interrupt delivery but its just a hunch...
> 
> -Søren
> 

I'm finding it hard to imagine a scenario where a timeout could fire but 
not a hardware interrupt.  Nothing usually shares the interrupt vectors
with ATA, so it's pretty unlikely that the ata ithread is being blocked
by anything but itself.

Scott
Received on Wed Sep 15 2004 - 19:08:56 UTC

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