linux-kernel - Re: [git patches] libata hibernation fixes

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Message-ID: <49698739.6010003@garzik.org>
Date:	Sun, 11 Jan 2009 00:44:25 -0500
From:	Jeff Garzik <jeff@...zik.org>
To:	Tejun Heo <tj@...nel.org>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-ide@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [git patches] libata hibernation fixes

Tejun Heo wrote:
> Jeff Garzik wrote:
>> This adds code at a late stage (heading towards -rc4), but does
>> eliminate a particular spin-up overcycling behavior associated with
>> hibernation.
>>
>> Rafael's extended description below...  Separated to make it easier to
>> pull-or-not, separate from the other libata fixes.  There shouldn't be
>> any merge trouble between the two.
>>
>> SATA: Blacklist systems that spin off disks during ACPI power off
> 
> Jeff, I think this should be merged into 2.6.29 unless Linus still
> objects.  Linus, as discussed in this thread, this is workaround for a
> hardware / firmware problem and vanilla windows also suffers the
> problem, so as ugly as it is, we need this to prevent double spin down
> on the machine.

Oh, I forgot to reply to this...  libata-2.6.git#hibern_regress no 
longer applies cleanly.

I'll try poking at it on Monday and get it cleaned up, as it is IMO a 
bug fix and still should go in.

	Jeff



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