linux-kernel - Re: 2.6.25-rc1 ahci regression

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Message-ID: <20100603150422.GA31604@oksana.dev.rtsoft.ru>
Date:	Thu, 3 Jun 2010 19:04:22 +0400
From:	Anton Vorontsov <cbouatmailru@...il.com>
To:	Luming Yu <luming.yu@...il.com>
Cc:	Jeff Garzik <jeff@...zik.org>, LKML <linux-kernel@...r.kernel.org>,
	Michal Marek <mmarek@...e.cz>, Sam Ravnborg <sam@...nborg.org>
Subject: Re: 2.6.25-rc1 ahci regression

On Thu, Jun 03, 2010 at 10:13:57PM +0800, Luming Yu wrote:
> On Thu, Jun 3, 2010 at 9:50 PM, Anton Vorontsov <cbouatmailru@...il.com> wrote:
> > On Thu, Jun 03, 2010 at 05:23:19PM +0400, Anton Vorontsov wrote:
> > [...]
> >> Oh. It seems I found it. It must be the module order loading
> >> thing.
> >>
> >> Can you try the patch down below?
> >
> > OTOH... libahci is a link-time dependency. And the order doesn't
> > matter here. So you should just have the libahci module in
> > the initrd (actually, mkinitrd or whatever you use should
> > have included this automatically).
> >
> 
> Neither ahci nor libachi is automatically included in initrd..

What commands you use to build the kernel and initrd?

> Manually added ahci and libachi into initrd seems to make the problem go away..
> Any idea why that could happen?

No idea off hand.

Cc'ing Kbuild folks. Question is: is there something wrong with
writing stuff like this:
obj-$(CONFIG_SATA_AHCI)         += ahci.o libahci.o
obj-$(CONFIG_SATA_AHCI_PLATFORM) += ahci_platform.o libahci.o
as in drivers/ata/Makefile?

It seem to link fine, .ko's are created. But for some reason
initrd doesn't include these modules for Luming...

Thanks,

-- 
Anton Vorontsov
email: cbouatmailru@...il.com
irc://irc.freenode.net/bd2
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