linux-kernel - Re: 2.6.22-rc3 hibernate(?) disables SMART on ide

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Message-ID: <4664E3F5.9080904@rtr.ca>
Date:	Tue, 05 Jun 2007 00:17:57 -0400
From:	Mark Lord <liml@....ca>
To:	David Greaves <david@...eaves.com>
Cc:	Tejun Heo <htejun@...il.com>,
	"'linux-kernel@...r.kernel.org'" <linux-kernel@...r.kernel.org>,
	IDE Linux <linux-ide@...r.kernel.org>,
	ballen@...vity.phys.uwm.edu
Subject: Re: 2.6.22-rc3 hibernate(?) disables SMART on ide

David Greaves wrote:
> Mark Lord wrote:
>> David Greaves wrote:
>>> I have 2 ide disks. If I enable SMART and hibernate/suspend2disk,
>>> SMART is
>>> disabled when I resume.
>> Just a thought:  This *may* be fixable at the drive, with "hdparm -K1".
> 
> Thanks Mark, good idea.
> Just tried and it didn't help though :(
> 
> in fact, hda gave
> cu:~# hdparm -K1 /dev/hda
> 
> /dev/hda:
>  setting drive keep features to 1 (on)
>  HDIO_DRIVE_CMD(keepsettings) failed: Input/output error
> 
> and in dmesg:
> hda: drive_cmd: status=0x51 { DriveReady SeekComplete Error }
> hda: drive_cmd: error=0x04 { DriveStatusError }
> ide: failed opcode was: 0xef

That's odd.  Could you try that again,
with the latest (either v7.3 or v7.4) version of hdparm
(from sourceforge) ?
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