On Wed, May 31, 2006 at 07:46:20PM +0200, Patrick McHardy wrote:
> Frank van Maarseveen wrote:
> > On Wed, May 31, 2006 at 06:36:35PM +0200, Patrick McHardy wrote:
> >
> >>The messages might get dropped when the output queue is full.
> >>Does one of the drop counters shown by "ip -s link list"
> >>and "tc -s -d qdisc show" increase (the other counts might also
> >>give some clues)? Otherwise please apply the attached patch
> >>(should fix tcpdump, last patch was incomplete) and post a dump.
> >
> >
> > No visible improvement with the new patch.
>
> Does this mean tcpdump doesn't show any packets?
tcpdump output is consistent with what the netconsole receiver sees: 9
packets are still missing. I know there are 9 because 2.6.13.2 shows them.
The two patches behaved identically for me.
>
> > ip -s link doesn't show any
> > dropped packets so far with any patch and I don't use traffic control
> > that I'm aware of. But I'm not sure what to make of "tc" output, maybe
> > because CONFIG_SHAPER is not set:
> >
> > # tc -s -d qdisc show
> > RTNETLINK answers: Invalid argument
> > Dump terminated
>
> Thats because you're missing CONFIG_NET_SCHED. Please enable it and
> try the tc command again, without it we can't see whether the qdisc
> (which is present even without CONFIG_NET_SCHED) just dropped the
> packets.
I'll try that tomorrow.
--
Frank
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