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SubjectRe: mm snapshot broken-out-2006-08-08-00-59.tar.gz uploaded
On 09/08/06, Andrew Morton <akpm@osdl.org> wrote:
> On Wed, 9 Aug 2006 00:11:38 +0200
> "Michal Piotrowski" <michal.k.k.piotrowski@gmail.com> wrote:
>
> > On 08/08/06, Andrew Morton <akpm@osdl.org> wrote:
> > > On Tue, 8 Aug 2006 23:19:09 +0200
> > > "Michal Piotrowski" <michal.k.k.piotrowski@gmail.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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