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From: Sergei Shtylyov <sshtylyov@ru.mvista.com>
To: Linas Vepstas <linas@austin.ibm.com>
Cc: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>,
	linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [BUG] 2.6.21.1: ide-pci is not finding ide controller.
Date: Thu, 24 May 2007 00:26:29 +0400	[thread overview]
Message-ID: <4654A375.4080807@ru.mvista.com> (raw)
In-Reply-To: <20070523201118.GZ5921@austin.ibm.com>

Hello.

Linas Vepstas wrote:
> I've got a rather old x86 box that I'm booting 2.6.21.1 on;
> this kernel is not finding an ide controller on it. 

> The motherboard has 4 ide controllers total; two olde-fashioned
> ones (PIIX4, using the original 40-pin IDE ribbon cable) and two 

    You should have said "channels". PIIX4 has only one IDE controller.

> "HighPoint HPT366" controllers, taking the 80-pin cable.
> BIOS allows the two olde-fashioned channels to be enabled
> or disabled; but the HPT seems to alaways be on (I could not
> find any BIOS entry to play with them.)

> A bit of debugging localized the symptoms to drivers/ide/setup-pci.c
> It seems that there was some recent ide-pci fix that changed/fixed
> the way that pci config space is read' this "fix" breaks my recognition
> of my controller.

    Actually, it was a bug that I've introduced into drivers/ide/pci/hpt366.c 
-- the patch has been already merged into 2.6.22-rc1:

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=fdb0d72be4decaade6cedb5012ddd679a4817b5f

MBR, Sergei

  parent reply	other threads:[~2007-05-23 20:25 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-05-23 20:11 [BUG] 2.6.21.1: ide-pci is not finding ide controller Linas Vepstas
2007-05-23 20:24 ` Alan Cox
2007-05-23 20:27   ` Sergei Shtylyov
2007-05-23 21:06   ` Chuck Ebbert
2007-05-23 20:26 ` Sergei Shtylyov [this message]
2007-05-23 21:53   ` Linas Vepstas

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