linux-kernel - Re: 2.6.21-rc1: framebuffer/console boot failure

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Date:	Sat, 24 Feb 2007 03:09:50 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	"Andrew" <andrew@...less.net>
Cc:	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org
Subject: Re: 2.6.21-rc1: framebuffer/console boot failure

> On Fri, 23 Feb 2007 13:35:50 -0000 (GMT) "Andrew" <andrew@...less.net> wrote:
> Hi,
> 
> 2.6.21-rc1 fails to boot on my machine. As soon as I switch
> from grub the screen turns and remains black with no sign
> of Tux or any output.
> 
> I've run a git-bisect between 2.6.20 (which works fine) and
> 2.6.21-rc1 and found the first bad commit to be
> #59b8175c771040afcd4ad67022b0cc80c216b866 which seems bizarre
> to me since this is a mostly an ARM commit.
> 
> I haven't tried to revert this commit because frankly I don't
> know where to go from there with a multi-parent commit.
> 
> I'm running on on a Asus A8N-VM CSM motherboard with a single
> core AMD64 processor, with a nVidia GPU in the PCI-ex slot
> using the standard VESA frame buffer driver.
> 
> Relevant config's can be found here:
> http://homepage.ntlworld.com/anelless/linux/2.6.21-rc1/
> 

and, later,

> I have just discovered 2.6.21-rc1 boots with
> pci=noacpi ...

Presumably this regression was caused by the ACPI merge.  Are you able to
capture the dmesg output from the 2.6.20-rc1 boot?  netconsole might be
useful here, thanks.

(You get added to the post-2.6.20 regression list, so you'll be hearing
from us quite a lot for the next month.  Sorry ;))
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