linux-kernel - Re: Another libata error related to OCZ SSD

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Date:	Sun, 25 Jan 2009 10:00:43 +0900
From:	Tejun Heo <tj@...nel.org>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
CC:	Lukas Hejtmanek <xhejtman@....muni.cz>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Robert Hancock <hancockr@...w.ca>,
	linux-kernel@...r.kernel.org,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	linux-ide@...r.kernel.org
Subject: Re: Another libata error related to OCZ SSD

Rafael J. Wysocki wrote:
> (CCing ACPI and IDE).
> 
> On Sunday 11 January 2009, Lukas Hejtmanek wrote:
>> Hello,
>>
>> I encountered another problem with the OCZ SSD disk. If I suspend to ram while
>> running from batteries, my disk disappears. I had no problem with suspends on
>> AC power.
>>
>> I created a screenshot of dmesg mesages:
>> http://www.fi.muni.cz/~xhejtman/IMG_3221.JPG

Does the following command make any difference?

 echo 0 > /sys/class/scsi_disk/h:c:i:l/manage_start_stop

The h:c:i:l part needs to be adjusted to point to the OCZ disk.  lscsi
will show which value to use.

Thanks.

-- 
tejun
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