linux-kernel - Re: 2.6.24-rc3-mm1 - Kernel Panic on IO-APIC

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Message-ID: <474B43E1.9080407@gmail.com>
Date:	Mon, 26 Nov 2007 23:08:33 +0100
From:	Jiri Slaby <jirislaby@...il.com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Rik van Riel <riel@...hat.com>, kamalesh@...ux.vnet.ibm.com,
	linux-kernel@...r.kernel.org, apw@...dowen.org,
	balbir@...ux.vnet.ibm.com, linux-acpi@...r.kernel.org,
	tglx@...utronix.de, Christoph Lameter <clameter@....com>
Subject: Re: 2.6.24-rc3-mm1 - Kernel Panic on IO-APIC

On 11/26/2007 09:45 PM, Ingo Molnar wrote:
> * Andrew Morton <akpm@...ux-foundation.org> wrote:
> 
>> On Mon, 26 Nov 2007 14:39:43 -0500
>> Rik van Riel <riel@...hat.com> wrote:
>>
>>> On Tue, 20 Nov 2007 22:18:39 -0800
>>> Andrew Morton <akpm@...ux-foundation.org> wrote:
>>>
>>>>> ..MP-BIOS bug: 8254 timer not connected to IO-APIC
>>>>> Kernel panic - not syncing: IO-APIC + timer doesn't work! Try using the 'noapic' kernel parameter
>>>> ACPI or x86 breakage, I guess.
>>>>
>>>> Did 'noapic' work?
>>> I got the same bug as above, 'noapic' gets past that point 
>> We still don't know what caused this, afaik.
> 
> yes. Is it a regression? If yes, could someone try to bisect it so that 
> we can fix it? If it's caused by x86.git then the 'mm' branch of the x86 
> git tree can be used for bisection:
> 
>    git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86.git

I did, but it's hard, if you don't know the BAD point. HEAD boots fine and 'x86:
randomize brk' too (the top of git-x86.patch). Andrew, how do you pull it, git
#mm doesn't fit to the ids from the patch.

Maybe if you can emit a broken-out with the fresh pull to test?

regards,
-- 
Jiri Slaby (jirislaby@...il.com)
Faculty of Informatics, Masaryk University
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