Messages in this thread | | | Date | Mon, 9 Jun 2008 02:06:23 -0700 | From | Andrew Morton <> | Subject | Re: [bug, 2.6.26-rc4/rc5] sporadic bootup crashes in blk_lookup_devt()/prepare_namespace() |
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On Mon, 9 Jun 2008 10:03:12 +0200 Ingo Molnar <mingo@elte.hu> wrote:
> -tip testing has started triggering a new type of sporadic bootup crash > a few days ago. Find below a collection of 14 crashes i've managed to > capture so far, which are all similar to this crash pattern: > > BUG: unable to handle kernel paging request at ffff81003b984fb8 > IP: [<ffffffff803fafd4>] blk_lookup_devt+0x42/0xa0 > PGD 8063 PUD 9063 PMD 3be2d163 PTE 800000003b984160 > Oops: 0000 [1] SMP DEBUG_PAGEALLOC > > Call Trace: > [<ffffffff80bac17b>] ? ip_auto_config+0x0/0xd94 > [<ffffffff80209259>] name_to_dev_t+0x145/0xeec > [<ffffffff803ff2be>] ? __next_cpu_nr+0x22/0x2b > [<ffffffff80b7f372>] prepare_namespace+0x91/0x14c > [<ffffffff80b7eb70>] kernel_init+0x2fe/0x314 > [<ffffffff80251f3d>] ? trace_hardirqs_on_caller+0xca/0xee > [<ffffffff80741bbb>] ? trace_hardirqs_on_thunk+0x3a/0x3f > [<ffffffff80251f3d>] ? trace_hardirqs_on_caller+0xca/0xee > [<ffffffff8020d3f8>] child_rip+0xa/0x12 > [<ffffffff8020c90c>] ? restore_args+0x0/0x30 > [<ffffffff8025068d>] ? trace_hardirqs_off+0xd/0xf > [<ffffffff80b7e872>] ? kernel_init+0x0/0x314 > [<ffffffff8020d3ee>] ? child_rip+0x0/0x12
Did you work out where it's dying? Deref of `dev' I assume?
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