From: Patrick McHardy <kaber@trash.net>
To: Kuzin Andrey <kuzinandrey@yandex.ru>
Cc: netfilter-devel@vger.kernel.org
Subject: Re: NFQUEUE stucked packets
Date: Mon, 09 Mar 2009 17:30:26 +0100 [thread overview]
Message-ID: <49B54422.9030201@trash.net> (raw)
In-Reply-To: <18390532.20090309174658@yandex.ru>
Kuzin Andrey wrote:
> How to resolve this problem ?
> This is hardware bug, SMP bug, users corrupted packets bug, NFQUEUE
> bug or anything else ? How i can view this stucked packets in queue to
> try understand what is going wrong ?
> (userspace don't have any errors, because this code work normally
> from 2004 ip_queue ages, and we have this after rewrite application
> for NFQUEUE)
The first thing I'd do is make sure that userspace actually delivers
the verdicts its supposed to.
Just keep track of the last packet ID somewhere in the kernel, the
verdict always has to be for the next higher number. If not, the bug
is in userspace.
prev parent reply other threads:[~2009-03-09 16:30 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-09 14:46 NFQUEUE stucked packets Kuzin Andrey
2009-03-09 16:30 ` Patrick McHardy [this message]
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