netdev - nf_conntrack fix smp_processor_id() in preemptible code (was: 2.6.25-rc2-mm1

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Message-ID: <47C591B4.7090302@imap.cc>
Date:	Wed, 27 Feb 2008 17:37:08 +0100
From:	Tilman Schmidt <tilman@...p.cc>
To:	Patrick McHardy <kaber@...sh.net>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	netfilter-devel@...r.kernel.org
Subject: nf_conntrack fix smp_processor_id() in preemptible code (was: 2.6.25-rc2-mm1
 - several bugs and a crash)

Am 21.02.2008 12:28 schrieb Patrick McHardy:
>>
>> Feb 20 17:22:40 xenon kernel: [   48.180297] BUG: using smp_processor_id() in preemptible [00000000] code: ntpdate/3562
>> Feb 20 17:22:40 xenon kernel: [   48.180297] caller is __nf_conntrack_find+0x9b/0xeb [nf_conntrack]
>> Feb 20 17:22:40 xenon kernel: [   48.180297] Pid: 3562, comm: ntpdate Not tainted 2.6.25-rc2-mm1-testing #1
>> Feb 20 17:22:40 xenon kernel: [   48.180297]  [<c02015b9>] debug_smp_processor_id+0x99/0xb0
> 
> Could you test whether this patch fixes the netfilter
> warnings please?

Bad news: With 2.6.25-rc3, that bug has made it into mainline.
Good news: Your patch fixes it there, too.

So I suggest you forward it there as soon as possible.

Thanks,
Tilman

-- 
Tilman Schmidt                          E-Mail: tilman@...p.cc
Bonn, Germany
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