From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stef Coene Date: Wed, 18 Jun 2003 19:55:40 +0000 Subject: Re: [LARTC] HTB Kernel log (cl && cl->un.leaf.q->q.qlen) Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: lartc@vger.kernel.org On Wednesday 18 June 2003 21:17, Giannis Stoilis wrote: > Stef Coene wrote: > > On Wednesday 18 June 2003 20:53, Giannis Stoilis wrote: > >>Never mind that. The most important issue here is that when you delete > >>your queues, any packet that happens to pass through them at that time, > >>are LOST! > > > > Are you sure? I never tested it. > > This is how I know it: > I constantly ping my linux server from another pc. At some poing I > delete and recreate my queues. From the pc that pings my linux server, I > can see the replies coming, and at the point of the restart I have > missed pinging replies and at the point after the qdisc creation, I can > see the icmp replies coming back again. > Either every packet is lost at qdisc removal, or something else, same as > nasty, is happening... > You should try it and see... > Also, if you have monitor_tc running at that time, you can see it dump > some nice negative values... :) That's because the counters are resetten so the values are negative at that time. But that will not say are packets are gone. However, your ping test proves it. Stef -- stef.coene@docum.org "Using Linux as bandwidth manager" http://www.docum.org/ #lartc @ irc.oftc.net _______________________________________________ LARTC mailing list / LARTC@mailman.ds9a.nl http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/