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ok after some playing a bit if i use tc qdisc change dev bond0 parent 1: pfifo limit 30 the dropped packets go away, im not sure if that is considered normal or not, however any number under 30 gives me issues. Kingsley ----- Original Message ----- From: "Jarek Poplawski" <jarkao2@gmail.com> To: "Kingsley Foreman" <kingsley@internode.com.au> Cc: "Patrick McHardy" <kaber@trash.net>; "Eric Dumazet" <dada1@cosmosbay.com>; "Andrew Morton" <akpm@linux-foundation.org>; <linux-kernel@vger.kernel.org>; <netdev@vger.kernel.org> Sent: Friday, May 16, 2008 3:19 PM Subject: Re: NET_SCHED cbq dropping too many packets on a bonding interface > On Fri, May 16, 2008 at 06:57:23AM +0930, Kingsley Foreman wrote: > ... >> running >> >> tc qdisc add dev bond0 root pfifo limit 1000 >> >> or >> >> tc qdisc add dev bond0 root handle 1: cbq bandwidth 2000Mbit avpkt 1000 >> cell 0 >> tc qdisc add dev bond0 parent 1: pfifo limit 1000 >> >> >> doesn't appear to be dropping packets. >> > > Great! So it looks like there is no error here unless there are needed > significantly bigger queues to stop this dropping compared to 2.6.22. > You could try to lower this limit now to something like 10 to find when > drops start to appear. Why 2.6.22 doesn't need this at all is a mistery > anyway (old scheduler?), and it would really need some work (like git > bisection) to find the reason for more than 5 or 10 packet difference. > > Thanks, > Jarek P. > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | |||||||||
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