From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ralf Baechle DL5RB Subject: Re: Packet duplication in kernels 2.6 onwards Date: Tue, 26 May 2015 09:29:06 +0200 Message-ID: <20150526072905.GB8600@linux-mips.org> References: <5547BACC.7000709@rns-stearn.demon.co.uk> Mime-Version: 1.0 Return-path: Content-Disposition: inline In-Reply-To: <5547BACC.7000709@rns-stearn.demon.co.uk> Sender: linux-hams-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Richard Stearn Cc: linux-hams@vger.kernel.org On Mon, May 04, 2015 at 07:30:36PM +0100, Richard Stearn wrote: > Just put togther a packet system to test wireshark on and > discovered that packets are being duplicated at the ax0 interface. > > My tests so far show that the issue is not present in kernels > 2.4.29 & 2.4.37.11 and is present in kernel 2.6.33.3. > I also have reports of the issue being in kernel 3.x.x.x > > Is this a known issue? > > If so is there any idea as to when it appeared? My guess is during > the 2.5 kernel series. > > Has anybody on the list attempted to trace the cause? There has been a number of pretty vague bug reports on the issue that have been insufficient for me to replicate the issue on my system. Ralf