linux-kernel - Re: 2.6.18-mm2 boot failure on x86-64

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Date:	Thu, 05 Oct 2006 10:32:11 -0500
From:	Steve Fox <drfickle@...ibm.com>
To:	Badari Pulavarty <pbadari@...ibm.com>
Cc:	Martin Bligh <mbligh@...igh.org>, Andi Kleen <ak@...e.de>,
	vgoyal@...ibm.com, Andrew Morton <akpm@...l.org>,
	lkml <linux-kernel@...r.kernel.org>, netdev@...r.kernel.org,
	kmannth@...ibm.com, Andy Whitcroft <apw@...dowen.org>
Subject: Re: 2.6.18-mm2 boot failure on x86-64

On Thu, 2006-10-05 at 08:12 -0700, Badari Pulavarty wrote:

> Can you post the latest panic stack again (with CONFIG_DEBUG_KERNEL) ? 

CONFIG_DEBUG_KERNEL should be on

> Last time I couldn't match your instruction dump to any code segment
> in the routine. And also, can you post your .config file. I have
> an amd64 and em64t machine and both work fine...

Unable to handle kernel NULL pointer dereference at 0000000000000827 RIP:
 [<ffffffff804705e6>] xfrm_register_mode+0x36/0x60
PGD 0
Oops: 0000 [1] SMP
CPU 0
Modules linked in:
Pid: 1, comm: swapper Not tainted 2.6.18-git22 #1
RIP: 0010:[<ffffffff804705e6>]  [<ffffffff804705e6>] xfrm_register_mode+0x36/0x60
RSP: 0000:ffff810bffcbded0  EFLAGS: 00010286
RAX: 000000000000081f RBX: ffffffff805588a0 RCX: 0000000000000000
RDX: ffffffffffffffff RSI: 0000000000000002 RDI: ffffffff80559550
RBP: 00000000ffffffef R08: 000000003f924371 R09: 0000000000000000
R10: ffff810bffcbdcb0 R11: 0000000000000154 R12: 0000000000000000
R13: ffff810bffcbdef0 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffffffff805d2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 0000000000000827 CR3: 0000000000201000 CR4: 00000000000006e0
Process swapper (pid: 1, threadinfo ffff810bffcbc000, task ffff810bffcbb4e0)
Stack:  0000000000000000 ffffffff8061fb48 0000000000000000 ffffffff80207182
 0000000000000000 0000000000000000 0000000000000000 0000000000000000
 0000000000000000 0000000000000000 0000000000000000 0000000000090000

The base config file I'm using is at
http://flooterbu.net/kernel/elm3b239-2.6.17.config

-- 

Steve Fox
IBM Linux Technology Center
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