Re: 2.6.20-rc6-mm1

[Herbert Xu]

Michal Piotrowski <michal.k.k.piotrowski@xxxxxxxxx> wrote:

> Jan 28 22:58:29 euridica kernel: BUG: using smp_processor_id() in preemptible [00000001] code: yum-updatesd/2846
> Jan 28 22:58:29 euridica kernel: caller is nf_conntrack_in+0x363/0x47f [nf_conntrack]
> Jan 28 22:58:29 euridica kernel:  [<c01053c6>] show_trace_log_lvl+0x1a/0x2f
> Jan 28 22:58:29 euridica kernel:  [<c0105ad6>] show_trace+0x12/0x14
> Jan 28 22:58:29 euridica kernel:  [<c0105b98>] dump_stack+0x16/0x18
> Jan 28 22:58:29 euridica kernel:  [<c0207803>] debug_smp_processor_id+0xb3/0xc8
> Jan 28 22:58:29 euridica kernel:  [<fdbf8ad0>] nf_conntrack_in+0x363/0x47f [nf_conntrack]
> Jan 28 22:58:29 euridica kernel:  [<fd9c32c4>] ipv4_conntrack_local+0x53/0x5b [nf_conntrack_ipv4]
> Jan 28 22:58:29 euridica kernel:  [<c02f2286>] nf_iterate+0x36/0x67
> Jan 28 22:58:29 euridica kernel:  [<c02f241b>] nf_hook_slow+0x52/0xbe

This shouldn't have happened.  nf_hook_slow calls nf_iterate and
therefore everything under it with preemption disabled.  So something
must've reenabled it before hitting nf_conntrack_in.

Cheers,
-- 
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Email: Herbert Xu ~{PmV>HI~} <herbert@xxxxxxxxxxxxxxxxxxx>
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