linux-kernel - Re: current git crashes on bootup with pci

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Message-ID: <3ae72650702141257w6b30a8efge5b6109feebb5512@mail.gmail.com>
Date:	Wed, 14 Feb 2007 21:57:48 +0100
From:	"Kay Sievers" <kay.sievers@...y.org>
To:	"Marcel Holtmann" <marcel@...tmann.org>,
	"Tejun Heo" <htejun@...il.com>, "Jeff Garzik" <jeff@...zik.org>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: current git crashes on bootup with pci_iounmap()

On 2/13/07, Kay Sievers <kay.sievers@...y.org> wrote:
> On Tue, 2007-02-13 at 17:04 +0100, Marcel Holtmann wrote:
> > > kernel BUG at lib/iomap.c:254!
> > > invalid opcode: 0000 [#1]
> > > ...
> > >
> > > The screen picture is here:
> > >   http://vrfy.org/pci_iounmap.jpg
> > >
> > > It's a Thinkpad T43p.
> > >
> > > 2.6.20 was working fine.
> > >
> > > Commenting out:
> > >   IO_COND(addr, /* nothing */, iounmap(addr));
> > > in:
> > >   lib/iomap.c:254
> > > makes at least booting up possible.
> >
> > I saw a similar one on my X41. Disabling the AHCI driver made the
> > machine booting again.
>
> Hey Marcel,
> yeah, that works fine here too.

Tejun, Jeff, any ideas what's going wrong with the iomap change and
the AHCI driver?

Thanks,
Kay
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