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From: Tejun Heo <tj@kernel.org>
To: Robert Hancock <hancockrwd@gmail.com>
Cc: Christof Warlich <christof@warlich.name>,
	Tejun Heo <htejun@gmail.com>,
	linux-kernel@vger.kernel.org, ide <linux-ide@vger.kernel.org>
Subject: Re: "EXT3-fs error" after resume from s2ram
Date: Fri, 10 Jul 2009 22:21:13 +0900	[thread overview]
Message-ID: <4A574049.5090708@kernel.org> (raw)
In-Reply-To: <51f3faa70907091631s329255en5fc197091b9ae4f0@mail.gmail.com>

Hello,

Robert Hancock wrote:
> On Thu, Jul 9, 2009 at 12:17 PM, Christof Warlich<christof@warlich.name> wrote:
>> Just one clarification: From what I understood so far, it will be impossible
>> to ever utilize the full disk capacity as long as the BIOS applies the HPA
>> on boot, right?
> 
> I believe that's the case, yes.. if the BIOS is applying the HPA on
> each boot, then we can't change the max address again without a
> hardware reset..

This is one of the reasons why libata was switched to prefer hardreset
so that BIOS lock downs can be circumvented.  PATA drivers
unfortunately usually don't implement hardreset.  :-(

I'll forward the patch upstream.

Thanks.

-- 
tejun

  reply	other threads:[~2009-07-10 13:21 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <4A4771FD.1020207@warlich.name>
     [not found] ` <4A480859.5010206@gmail.com>
     [not found]   ` <4A48C799.2010102@warlich.name>
     [not found]     ` <4A495C2D.1040706@gmail.com>
     [not found]       ` <4A49A49C.10104@warlich.name>
     [not found]         ` <4A4C42E2.6030305@gmail.com>
     [not found]           ` <4A51C929.5010909@warlich.name>
2009-07-07  0:13             ` "EXT3-fs error" after resume from s2ram Robert Hancock
2009-07-07  7:04               ` Christof Warlich
2009-07-07  9:13                 ` Christof Warlich
2009-07-07 14:19                   ` Robert Hancock
2009-07-07 17:42                     ` Christof Warlich
2009-07-07 23:30                       ` Robert Hancock
2009-07-08  6:41                         ` Christof Warlich
2009-07-08 14:28                           ` Tejun Heo
2009-07-08 15:21                             ` Tejun Heo
2009-07-09 18:17                               ` Christof Warlich
2009-07-09 23:31                                 ` Robert Hancock
2009-07-10 13:21                                   ` Tejun Heo [this message]
2009-07-08 15:50                             ` Christof Warlich

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