All of lore.kernel.org
 help / color / mirror / Atom feed
From: Tejun Heo <tj@kernel.org>
To: Sachin Sant <sachinp@in.ibm.com>
Cc: linux-next@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>
Subject: Re: -next March 3: Boot failure on x86 (Oops)
Date: Thu, 04 Mar 2010 10:28:48 +0900	[thread overview]
Message-ID: <4B8F0CD0.1040507@kernel.org> (raw)
In-Reply-To: <4B8E83D4.6090507@in.ibm.com>

On 03/04/2010 12:44 AM, Sachin Sant wrote:
> Today's next failed to boot on x86 box with following trace
> 
> Unpacking initramfs...
> Freeing initrd memory: 10584k freed
> BUG: unable to handle kernel NULL pointer dereference at (null)
> IP: [<c01a6b12>] pcpu_alloc+0x1cb/0x75e
> *pdpt = 00000000005dd001 *pde = 0000000000000000
> Oops: 0000 [#1] SMP
> last sysfs file:
> Modules linked in:
> 
> Pid: 1, comm: swapper Not tainted 2.6.33-autotest-next-20100303 #1
> /eserver xSeries 235 -[86717AX]-
> EIP: 0060:[<c01a6b12>] EFLAGS: 00010002 CPU: 1
> EIP is at pcpu_alloc+0x1cb/0x75e
> EAX: 00000000 EBX: c05c4100 ECX: cccccccc EDX: 00000000
> ESI: 000000b0 EDI: 00000005 EBP: f5c69fa8 ESP: f5c69f2c
> DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
> Process swapper (pid: 1, ti=f5c68000 task=f5c66ce0 task.ti=f5c68000)
> Stack:
> 00000000 00000005 61746164 0a383d29 5f656400 61746164 00000004 000000b0
> <0> 000a3036 00000286 61637061 29656863 0a36313d c0579100 c058da30 f5c69f94
> <0> c01310be c05c41cc 00000028 c058da30 f5c69fa4 c0116a73 c0492091 c0492089
> Call Trace:
> [<c058da30>] ? crash_save_vmcoreinfo_init+0x0/0x31a
> [<c01310be>] ? log_buf_kexec_setup+0x3f/0x67
> [<c058da30>] ? crash_save_vmcoreinfo_init+0x0/0x31a
> [<c0116a73>] ? arch_crash_save_vmcoreinfo+0x37/0x3c
> [<c058d9ff>] ? crash_notes_memory_init+0x0/0x31
> [<c01a70be>] ? __alloc_percpu+0xa/0xc
> [<c058da11>] ? crash_notes_memory_init+0x12/0x31
> [<c0101139>] ? do_one_initcall+0x4c/0x131
> [<c057b352>] ? kernel_init+0x127/0x178
> [<c057b22b>] ? kernel_init+0x0/0x178
> [<c0102df6>] ? kernel_thread_helper+0x6/0x10
> Code: 45 a8 e9 65 ff ff ff 8b 4d 9c 8b 55 a0 8b 45 84 e8 31 fa ff ff 85
> c0 89 45 a4 0f 89 fd 00 00 00 8b 45 84 8b 00 89 45 84 8b 55 84 <8b> 02
> 0f 18 00 90 8b 45 cc 03 05 a0 9b 57 c0 39 c2 0f 85 67 ff
> EIP: [<c01a6b12>] pcpu_alloc+0x1cb/0x75e SS:ESP 0068:f5c69f2c
> CR2: 0000000000000000
> ---[ end trace a7919e7f17c0a725 ]---
> 
> x86_64 boots fine. Have attached dmesg log.

Can you please feed the address to gdb and get the line number?  Also,
is it reproducible on mainline?

Thanks.

-- 
tejun

  reply	other threads:[~2010-03-04  1:29 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-03-03  6:46 linux-next: Tree for March 3 Stephen Rothwell
2010-03-03 15:44 ` -next March 3: Boot failure on x86 (Oops) Sachin Sant
2010-03-04  1:28   ` Tejun Heo [this message]
2010-03-04  5:23     ` Sachin Sant
2010-03-05  6:08       ` Tejun Heo
2010-03-05  6:09         ` Tejun Heo
2010-03-05  6:17           ` Tejun Heo
2010-03-05  7:47             ` Sachin Sant
2010-03-05 13:25               ` Tejun Heo
2010-03-05 10:44           ` Sachin Sant
2010-03-05 13:24             ` Tejun Heo
2010-03-06  7:39               ` Sachin Sant

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4B8F0CD0.1040507@kernel.org \
    --to=tj@kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-next@vger.kernel.org \
    --cc=sachinp@in.ibm.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.