linux-kernel - Re: mm snapshot broken-out-2006-08-08-00-59.tar.gz uploaded

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Message-ID: <6bffcb0e0608081701r6412d0a2q1089c3f329e1ca79@mail.gmail.com>
Date:	Wed, 9 Aug 2006 02:01:03 +0200
From:	"Michal Piotrowski" <michal.k.k.piotrowski@...il.com>
To:	"Andrew Morton" <akpm@...l.org>
Cc:	linux-kernel@...r.kernel.org, "Andi Kleen" <ak@....de>,
	"Jan Beulich" <jbeulich@...ell.com>,
	"Ravikiran G Thirumalai" <kiran@...lex86.org>
Subject: Re: mm snapshot broken-out-2006-08-08-00-59.tar.gz uploaded

On 09/08/06, Andrew Morton <akpm@...l.org> wrote:
> On Wed, 9 Aug 2006 00:11:38 +0200
> "Michal Piotrowski" <michal.k.k.piotrowski@...il.com> wrote:
>
> > On 08/08/06, Andrew Morton <akpm@...l.org> wrote:
> > > On Tue, 8 Aug 2006 23:19:09 +0200
> > > "Michal Piotrowski" <michal.k.k.piotrowski@...il.com> wrote:
> > >
> > > > >  You
> > > > > can look these things up in gdb or using addr2line, provided you have
> > > > > CONFIG_DEBUG_INFO=y.
> > > > >
> > > > >
> > > >
> > > > (gdb) list *0xc047d609
> > > > 0xc047d609 is in start_kernel (/usr/src/linux-work1/init/main.c:577).
> > > > 572             cpuset_init_early();
> > > > 573             mem_init();
> > > > 574             kmem_cache_init();
> > > > 575             setup_per_cpu_pageset();
> > > > 576             numa_policy_init();
> > > > 577             if (late_time_init)
> > > > 578                     late_time_init();
> > > > 579             calibrate_delay();
> > > > 580             pidmap_init();
> > > > 581             pgtable_cache_init();
> > >
> > > hm.
> > >
> > > - Try to get the full oops record,
> >
> > BUG: unable to handle kernel paging request at virtual address 01020304
> > printing eip:
> > c041b95c
> > *pde= 00000000
> > Oops: 0000 [#1]
> > 4K_STACK PREEMPT SMP
> > last sysfs file:
> > Modules linked in:
> > CPU 0
> > EIP: 0060: [<c041b95c>] Not tainted VLI
> > EFLAGS: 00010202
> > EIP is at kmem_cache_init+0x389/0x3f0
> > [..]
> > Call Trace:
> > [<c0104063>] show_stack_log_lvl+0x8c/0x97
> > [<c010422b>] show_registers+0x181/0x215
> > [<c0104481>] die+0x1c2/0x2dd
> > [<c0117419>] do_page_fault+0x410/0x4f3
> > [<c02f40a1>] error_code+0x39/0x40
> > [<c040b604>] start_kernel+0x21f/0x39d
> > [<c0100210>] 0xc0100210
> > [..]
> > EIP: [<c041b95c>] kmem_cache_init+0x389/0x3f0 SS:ESP0068:c0409fc4
> > <0> Kernel panic - not syncing: Attempted to kill idle task!
> >
> > (gdb) list *0xc041b95c
> > 0xc041b95c is in kmem_cache_init (/usr/src/linux-work1/mm/slab.c:714).
> > 709                             lockdep_set_class(&l3->list_lock,
> > &on_slab_l3_key);
> > 710                             alc = l3->alien;
> > 711                             if (!alc)
> > 712                                     continue;
> > 713                             for_each_node(r) {
> > 714                                     if (alc[r])
> > 715                                             lockdep_set_class(&alc[r]->lock,
> > 716                                                  &on_slab_alc_key);
> > 717                             }
> > 718                     }
>
> ah-hah, thanks.  The oopsing statement was added by
> slab-fix-lockdep-warnings.patch.

Confirmed.

Regards,
Michal

-- 
Michal K. K. Piotrowski
LTG - Linux Testers Group
(http://www.stardust.webpages.pl/ltg/wiki/)
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