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Subject: Re: 2.6.18-mm2 boot failure on x86-64 II
From: keith mannthey <kmannth@us.ibm.com>
Reply-To: kmannth@us.ibm.com
To: Andi Kleen <ak@suse.de>
Cc: mel gorman <mel@csn.ul.ie>, Vivek goyal <vgoyal@in.ibm.com>,
       Steve Fox <drfickle@us.ibm.com>, Badari Pulavarty <pbadari@us.ibm.com>,
       Martin Bligh <mbligh@mbligh.org>, Andrew Morton <akpm@osdl.org>,
       lkml <linux-kernel@vger.kernel.org>, netdev@vger.kernel.org,
       Andy Whitcroft <apw@shadowen.org>
In-Reply-To: <200610060135.56134.ak@suse.de>
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	 <200610060114.03466.ak@suse.de> <1160091179.5664.17.camel@keithlap>
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Organization: Linux Technology Center IBM
Date: Thu, 05 Oct 2006 16:58:31 -0700
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On Fri, 2006-10-06 at 01:35 +0200, Andi Kleen wrote:
> > As of yet I haven't been able to recreate the hang.  I am running
> > similar HW to Steve. 

I ran into this with -mm3

Memory: 24150368k/26738688k available (1933k kernel code, 490260k
reserved, 978k data, 308k init)
------------[ cut here ]------------
kernel BUG in init_list at mm/slab.c:1334!
invalid opcode: 0000 [1] SMP
last sysfs file:
CPU 0
Modules linked in:
Pid: 0, comm: swapper Not tainted 2.6.18-mm3-smp #1
RIP: 0010:[<ffffffff8027f8fa>]  [<ffffffff8027f8fa>] init_list+0x1d/0xfd
RSP: 0018:ffffffff80577f48  EFLAGS: 00010212
RAX: 0000000000000040 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffff805ba848 RDI: ffff810460700040
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000003
R10: 0000000000000000 R11: ffffffff805bc268 R12: ffff810460700040
R13: ffffffff805ba848 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffffffff804d8000(0000)
knlGS:0000000000000000
CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 0000000000000000 CR3: 0000000000201000 CR4: 00000000000006a0
Process swapper (pid: 0, threadinfo ffffffff80576000, task
ffffffff80455840)
Stack:  0000000000000000 0000000000000000 0000000100000000
0000000000000001
 ffffffff805ba848 0000000000000000 0000000000000000 ffffffff80593aa8
 00000000000002c0 0000000100000001 000000000008ef00 000000000008c000
Call Trace:
 [<ffffffff80593aa8>] kmem_cache_init+0x344/0x406
 [<ffffffff805805ef>] start_kernel+0x180/0x21b
 [<ffffffff8058016a>] _sinittext+0x16a/0x16e


Code: 0f 0b 48 8b 3d 15 ab 1e 00 be d0 00 00 00 e8 c0 f5 ff ff 48
RIP  [<ffffffff8027f8fa>] init_list+0x1d/0xfd
 RSP <ffffffff80577f48>
 <0>Kernel panic - not syncing: Attempted to kill the idle task!


I am going to revert the patch and see if it works.  I ran -git22 just
fine. 

Thanks,
  Keith 

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