From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anton Subject: Re: (nfnl_talk: recvmsg over-run) and (nf_queue: full at 1024 entries, dropping packets(s). Dropped: 582) - bug or just some defaults increase required? Date: Mon, 9 Feb 2009 15:56:24 +0500 Message-ID: <200902091556.25407.anton.vazir@gmail.com> References: <498E3693.6030702@netfilter.org> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Cc: netfilter-devel@vger.kernel.org To: Pablo Neira Ayuso Return-path: Received: from mail.eastera.tj ([82.198.21.18]:41227 "EHLO mail.eastera.tj" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750710AbZBILDQ (ORCPT ); Mon, 9 Feb 2009 06:03:16 -0500 In-Reply-To: <498E3693.6030702@netfilter.org> Content-Disposition: inline Sender: netfilter-devel-owner@vger.kernel.org List-ID: Pablo, Just a little more thought, this happened when my application attempted to create a NEW queue, while in kernel packet queue overrun situation. And after calling the nfq_create_queue there was no return from it, and only error message generation in the loop inside the libnetfilter_queue library. Looks like not a very proper behaviour. Am I missing something? With best regards, Anton. On Sunday 08 February 2009 06:34, Pablo Neira Ayuso wrote: > Anton VG wrote: > > Hello Friends, > > > > Just came to a problem with nfnetlink_queue - > > > > I've created a service where users do connect to a > > host, and every connected user (over PPP) get's a > > separate NF-QUEUE - In this QUEUE i do packet > > accounting, to a different destination. When number of > > simultaneous queues went to 40+ I just came to a > > problem - deadloop with continues generation of the > > error to stderr - (3GB of record in the log in 3 > > minutes of deadlock) > > > > nfnl_talk: recvmsg over-run > > This happens when netlink fails to deliver a packet from > kernel to userspace due to an overrun in the buffer. >