From: Tejun Heo <htejun@gmail.com>
To: gettinther <gettinther@gmail.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
IDE/ATA development list <linux-ide@vger.kernel.org>
Subject: Re: sata dvdroms fails to be recognized by MCP55 controller with the 2.6.26.5 kernel
Date: Sat, 04 Oct 2008 16:27:40 +0900 [thread overview]
Message-ID: <48E71AEC.8020701@gmail.com> (raw)
In-Reply-To: <48E71ACE.4000505@gmail.com>
(restoring lkml and linux-ide. please don't drop cc list)
Tejun Heo wrote:
> Hello,
>
> gettinther wrote:
>> 00:05.2 IDE interface: GeForce 8800 GT 512 MCP55 SATA Controller (rev
>> a2) (prog-if 85 [Master SecO PriO])
>
> Ah.. okay. MCP55. I've missed that part in the first message.
> sata_nv is a bit messed up for 2.6.26. What happened was...
>
> * During 2.6.26-rc, libata switched to prefer hardreset over softreset
> for various reasons.
>
> * After 2.6.26 release, sata_nv generic flavors (MCP55/66) were
> reported to have problems probing devices with hardreset. Hardreset
> simply doesn't work.
>
> * Patch posted to disable hardreset for generic but it accidentally
> disabled hardreset for all flavors (generic/nf2/3/ck804).
>
> * Which broke ck804.
>
> * Another patch posted to reinstate hardreset for nf2/3 and ck804.
>
> * It somehow mysteriously broke nf2/3. This is still being
> investigated.
>
> Sorry about the mess but I am puzzled too. I'll report back when I
> know more.
>
> Thanks.
>
--
tejun
next prev parent reply other threads:[~2008-10-04 7:29 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-29 23:01 sata dvdroms fails to be recognized by MCP55 controller with the 2.6.26.5 kernel gettinther
2008-10-01 0:08 ` Andrew Morton
2008-10-01 3:04 ` Tejun Heo
[not found] ` <64630f150810010131g18c1a00m91b3f68ea29a1067@mail.gmail.com>
[not found] ` <64630f150810011601y4e729decq24c614f0b7994f3f@mail.gmail.com>
[not found] ` <48E71ACE.4000505@gmail.com>
2008-10-04 7:27 ` Tejun Heo [this message]
2008-10-06 9:08 ` gettinther
2008-10-07 1:10 ` Tejun Heo
2008-10-10 9:07 ` gettinther
2008-10-13 19:11 ` gettinther
[not found] <fa.KIEiWFDnnp3hKXYC1evebHtUqPc@ifi.uio.no>
2008-09-30 2:29 ` Robert Hancock
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