linux-kernel - Re: 2.6.25-mm1: Failing to probe IDE interface

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Date:	Wed, 30 Apr 2008 12:16:23 +0100
From:	Mel Gorman <mel@....ul.ie>
To:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
Cc:	ink@...assic.park.msu.ru,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org, gregkh@...e.de
Subject: Re: 2.6.25-mm1: Failing to probe IDE interface

On (29/04/08 23:37), Bartlomiej Zolnierkiewicz didst pronounce:
> > <SNIP>
> > 
> > The third patch that needed reverting was
> > gregkh-pci-pci-clean-up-resource-alignment-management.patch (owners added
> > to cc). The relevant hint in the a diff between a broken and working bootlog was;
> > 
> >  system 00:09: ioport range 0x15e0-0x15ef has been reserved
> > + PCI: bogus alignment of resource 7 [100:1ff] (flags 100) of 0000:00:02.0
> > + PCI: bogus alignment of resource 8 [100:1ff] (flags 100) of 0000:00:02.0
> > + PCI: bogus alignment of resource 9 [4000000:7ffffff] (flags 1200) of 0000:00:02.0
> > + PCI: bogus alignment of resource 10 [4000000:7ffffff] (flags 200) of 0000:00:02.0
> > + PCI: bogus alignment of resource 7 [100:1ff] (flags 100) of 0000:00:02.1
> > + PCI: bogus alignment of resource 8 [100:1ff] (flags 100) of 0000:00:02.1
> > + PCI: bogus alignment of resource 9 [4000000:7ffffff] (flags 1200) of 0000:00:02.1
> > + PCI: bogus alignment of resource 10 [4000000:7ffffff] (flags 200) of 0000:00:02.1
> > 
> > With the resource alignment patch and the two IDE patches reverted, the
> > laptop is able to boot.
> 
> Thanks for tracking it down.
> 
> Hmm, it seems that the above patch was merged a week ago:
> 
> commit bda0c0afa7a694bb1459fd023515aca681e4d79a
> Merge: 904e0ab... af40b48...
> Author: Linus Torvalds <torvalds@...ux-foundation.org>
> Date:   Mon Apr 21 15:58:35 2008 -0700
> 
>     Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/pci-2.6
> ...
>       PCI: clean up resource alignment management
> ...
> 
> but it could be that the issue has been already fixed in git tree
> (could you verify it please?).
> 

Latest git boots on the laptop so somewhere along the line, it got fixed.

> BTW according to lspci output you should be able to use piix driver
> instead of ide_generic on this laptop.
> 

I know but the config is a bit minimal for faster building as it's only
intended for sniff-testing patches.

Thanks for the help.

-- 
Mel Gorman
Part-time Phd Student                          Linux Technology Center
University of Limerick                         IBM Dublin Software Lab
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