linux-kernel - Re: 2.6.25-rc1 ahci regression

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Date:	Thu, 3 Jun 2010 17:14:14 +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>
Subject: Re: 2.6.25-rc1 ahci regression

On Thu, Jun 03, 2010 at 08:35:31PM +0800, Luming Yu wrote:
> On Thu, Jun 3, 2010 at 5:39 PM, Anton Vorontsov <cbouatmailru@...il.com> wrote:
> > On Thu, Jun 03, 2010 at 05:18:40PM +0800, Luming Yu wrote:
> > [...]
> >> Linux version 2.6.32-25.el6.x86_64
> >
> > Hm. Can you really boot the kernels that has
> > 365cfa1ed5 applied and reverted?
> >
> > That is, do
> >
> > $ git reset --hard 365cfa1ed5
> > $ make
> > $ ...boot...
> Linux version 2.6.34-rc7 (root@...alhost) (gcc version 4.4.4 20100503
[...]
> > And then
> >
> > $ git reset --hard 365cfa1ed5^
> > $ make
> > $ ...boot...
> >
> Linux version 2.6.34-rc7 (root@...alhost) (gcc version 4.4.4 20100503
> (Red Hat 4.4.4-2) (GCC) ) #24 SMP Thu Jun 3 08:07:58 EDT 2010

Thanks. But for some reason you don't include debug
messages from the not working kernel. :-/ I presume
you use different methods to capture the log, you
should pass 'debug' kernel command line option to
actually enable these messages. Please try to
capture the debugging messages.

Meanwhile, here is a guess: initrd isn't happy about
the new libahci.ko dependency for ahci.ko, and so it
doesn't load the module? Why? I don't know. Let
me check it...
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