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

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Date:	Tue, 05 Jun 2007 11:33:29 -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:
>> That's odd.  Could you try that again,
>> with the latest (either v7.3 or v7.4) version of hdparm
>> (from sourceforge) ?
> 
> Using Debian's 7.3 via apt-get experimental - is that OK or would you like me to
> compile the upstream?

No, what you have is good, thanks.

> cu:~# hdparm -K1 /dev/hda
> 
> /dev/hda:
>  setting drive keep features to 1 (on)
>  HDIO_DRIVE_CMD(keepsettings) failed: Input/output error
> 
> dmesg:
> skge eth0: Link is up at 1000 Mbps, full duplex, flow control both
> hda: drive_cmd: status=0x51 { DriveReady SeekComplete Error }
> hda: drive_cmd: error=0x04 { DriveStatusError }
> ide: failed opcode was: 0xef

I just find it odd that the drive rejects the command,
but Seagate do seem to be the first to drop older features nowadays.
But I thought their PATA units might have kept that functionality.

I have some modern seagate SATA drives here -- I'll try it on those too,
just for my own education.

Thanks.
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