linux-kernel - Re: [2.6.27] constant early exception on boot

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Message-Id: <1224333762.7888.0.camel@ghreen.sphere>
Date:	Sat, 18 Oct 2008 07:42:42 -0500
From:	Rodney Gordon II <meff@...erevision.org>
To:	linux-kernel@...r.kernel.org
Cc:	meff@...erevision.org
Subject: Re: [2.6.27] constant early exception on boot

On Wed, 2008-10-15 at 23:52 -0500, Rodney Gordon II wrote:
> Hi all,
> 
> Recently with the release of 2.6.27 I have tried this on my main machine
> (in the form of vanilla 2.6.27 final, Ubuntu Intrepid Beta 2.6.27-rc,
> and RIPLinux 6.9 2.6.27 final  ----  all AMD64) and I have been getting
> a pretty regular early exception on my hardware. I will include as much
> information as I have collected.
> 
> System:
> Asus P5QL-PRO
> Intel Q6600
> 4GB RAM (memtest'ed)
> GeForce 8800GT 512M
> 
> Panic:
> Kernel alive
> Kernel really alive
> PANIC: early exception 0e rip 10:ffffffff8072f305 error 0 cr2
> ffffffffff341000
> 
> Working boot dmesg:
> http://spherevision.org/sync/kernel/ubuntu-8.04-working-dmesg.log
> 
> lspci
> http://spherevision.org/sync/kernel/lspci-vvnn.log
> 
> I am available for details/testing/etc for whatever it takes to clean
> this error up and get it to boot on my hardware. 
> 
> Similar page off launchpad.net of error on boot of Intrepid Beta on some
> with similar outputs of early exceptions: 
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/54020
> 
> Please CC me as I am off list.
> 
> Thanks

More information from earlyprintk:

( e820 maps scrolled mostly off screen )
console [earlyvga0] enabled
last_pfn = 0x140000 max_arch_pfn=0x3ffffffff
last_pfn = 0xbff80 max_arch_pfn=0x3ffffffff

init_memory_mapping
last_map_addr: bff80000 end: bff80000
init_memory_mapping
last_map_addr: 140000000 end: 140000000

DMI present.

PANIC: early exception 0e rip 10:ffffffff8072 error 0 cr2 ffffffffff341000

Pid: 0
comm: swapper Not Tainted 2.6.27.1 #3

Call trace:
[<ffffffff80b52195>] early_idt_handler+0x55/0x69
[<ffffffff8072c099>] dmi_table+0x45/0x77
[<ffffffff8072c0a2>] dmi_table+0x4e/0x77
[<ffffffff80b79db4>] dmi_scan_machine+0x12e/0x19c
[<ffffffff80b58d58>] setup_arch+0x555/0x4dc
[<ffffffff80b5285e>] start_kernel+0x5f/0x2dd
[<ffffffff80b52393>] x86_64_start_kernel+0xe3/0xe7

RIP 0x10

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