linux-kernel - Re: SATA problems

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Date:	Wed, 21 Feb 2007 12:18:53 -0300
From:	Pablo Sebastian Greco <lkml@...agreco.com.ar>
To:	Tejun Heo <htejun@...il.com>
CC:	Marcus Haebler <haebler@...il.com>, linux-kernel@...r.kernel.org
Subject: Re: SATA problems

Tejun Heo wrote:
> Pablo Sebastian Greco wrote:
>   
>> Tejun Heo wrote:
>>     
>>> * Pablo, the bug you saw was bad interaction between blacklisted NCQ
>>> device and dynamic queue depth adjustment.  Patches are submitted to fix
>>> the problem.  Just drop the blacklist patch.  Your drives should work
>>> fine in NCQ mode.  My gut feeling is that your problem is power related
>>> from the beginning.
>>>   
>>>       
>> I had the same problems with a new Power Supply, Now everything is ok
>> with the old Power Supply and the new drives.
>>     
>
> So, it was bad drives?  Are you using the same model or different ones?
>  NCQ works okay now?
>
>   
All I can say is that now is working, other things changed with the new 
drives: 1.5Gbps instead of 3Gbps, also new drives don't use NCQ (I'm 
reattaching  a full dmesg).
Also I've found this firmware upgrade 
(http://www.samsung.com/Products/HardDiskDrive/support/faqs/faqs_20060414_0000246673.htm) 
for the old drives, but couldn't confirm if it should be applied because 
the server is in Brazil and I live in Argentina. Won't be there until 
April to test.

Thanks.
Pablo.

View attachment "dmesg.txt" of type "text/plain" (26754 bytes)