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From: "H. Peter Anvin" <hpa@zytor.com>
To: Will Simoneau <simoneau@ele.uri.edu>
Cc: linux-kernel@vger.kernel.org
Subject: Re: new x86 setup code hangs on Dell Inspiron 5150
Date: Thu, 30 Aug 2007 22:45:27 -0700	[thread overview]
Message-ID: <46D7AAF7.1030105@zytor.com> (raw)
In-Reply-To: <20070831015620.GA6259@ele.uri.edu>

Will Simoneau wrote:
> While trying to put together a new kernel for my laptop (Dell I5150, as
> in subject) I found that recent kernels just don't boot. Right after
> grub loads the kernel, before the "Uncompressing Linux" message is
> shown, it hangs. The BIOS appears to still be alive (ctrl-alt-del works,
> keyboard lock LEDs respond). It seems to be caused by the new x86 setup
> code.
> 
> My kernel is Linus' git as of a1c582d0720f2eff61043e90711767decf37b917.
> I bisected and confirmed that 4fd06960f120e02e9abc802a09f9511c400042a5
> triggers a non-functioning boot.
> 
> This system has Dell BIOS rev A38 and a P4 3.2 w/HT.
> 
> What should I do next to debug this problem?

Can you put in some printf's in the code and see how far it gets?

	-hpa

  reply	other threads:[~2007-08-31  5:46 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-08-31  1:56 new x86 setup code hangs on Dell Inspiron 5150 Will Simoneau
2007-08-31  5:45 ` H. Peter Anvin [this message]
2007-08-31  6:41   ` H. Peter Anvin
2007-08-31 15:05     ` Will Simoneau
2007-08-31 16:18       ` [PATCH] save registers around VESA BIOS calls Will Simoneau
2007-08-31 16:26         ` H. Peter Anvin

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