linux-kernel - Re: i386 pda patches

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Date:	Sun, 24 Sep 2006 23:05:06 -0700
From:	Andrew Morton <akpm@...l.org>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	Andi Kleen <ak@....de>, Chuck Ebbert <76306.1226@...puserve.com>,
	Zachary Amsden <zach@...are.com>,
	Jan Beulich <jbeulich@...ell.com>, linux-kernel@...r.kernel.org
Subject: Re: i386 pda patches

On Sun, 24 Sep 2006 22:38:27 -0700
Jeremy Fitzhardinge <jeremy@...p.org> wrote:

> Andrew Morton wrote:
> > It may be related to the .config, rather than the CPU type.
> >   
> 
> Hm, wonder if it's !4K stacks...
> 

It oopses in the same manner with 4k stacks enabled.

CPU 1 irqstacks, hard=c0503000 soft=c04fb000
Initializing CPU#1
general protection fault: 0080 [#1]
SMP 
last sysfs file: 
Modules linked in:
CPU:    1
EIP:    0060:[<c010af23>]    Not tainted VLI
EFLAGS: 00010086   (2.6.18 #2) 
EIP is at cpu_init+0x153/0x2b0
eax: 00000080   ebx: 0115f220   ecx: e2c02073   edx: c1008964
esi: 00000001   edi: c1c94550   ebp: c1c98f84   esp: c1c98f6c
ds: 007b   es: 007b   ss: 0068
Process swapper (pid: 0, ti=c1c98000 task=c1c94550 task.ti=c1c98000)
Stack: c03c4604 00000001 0115f220 00000002 00000000 00000000 c1c98fb8 c010ffbe 
       00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 
       00000002 00000000 00000000 c1c98fb4 00000000 00000000 00000000 00000000 
Call Trace:
 [<c0103e56>] show_trace_log_lvl+0x26/0x40
 [<c0103f19>] show_stack_log_lvl+0xa9/0xd0
 [<c0104321>] show_registers+0x1c1/0x250
 [<c01044ec>] die+0x13c/0x300
 [<c0105614>] do_general_protection+0x114/0x1c0
 [<c03aa8d9>] error_code+0x39/0x40
 [<c010ffbe>] start_secondary+0xe/0x4d0
 [<00000000>] 0x0
 [<c1c98fb4>] 0xc1c98fb4
 =======================
Code: c1 ea 10 09 da 8b 1c b5 00 87 4a c0 c1 e1 10 81 c9 73 20 00 00 01 d8 8b 40 02 89 88 80 00 00 00 89 90 84 00 00 00 b8 80 00 00 00 <0f> 00 d8 89 e0 8b 1d a0 0a 41 c0 25 00 f0 ff ff 8b 78 10 a1 7c 
EIP: [<c010af23>] cpu_init+0x153/0x2b0 SS:ESP 0068:c1c98f6c
 <0>Kernel panic - not syncing: Attempted to kill the idle task!

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