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Subject: Re: current git crashes on bootup with pci_iounmap()
From: Marcel Holtmann <marcel@holtmann.org>
To: Kay Sievers <kay.sievers@vrfy.org>
Cc: linux-kernel <linux-kernel@vger.kernel.org>
In-Reply-To: <1171380714.3829.6.camel@pim.off.vrfy.org>
References: <1171380714.3829.6.camel@pim.off.vrfy.org>
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Date: Tue, 13 Feb 2007 17:04:05 +0100
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Hi Kay,

> 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.

Regards

Marcel