On Wed, 8 Mar 2006 18:10:00 +0100 Luca De Cicco <ldecicco@xxxxxxxxx> wrote: > Hi there to the list. > > I'm using netem in order to generate delays on localhost (doing > research on TCP and congestion control stuff) but often the kernel > hangs when setting and resetting the delay. What kernel version? If it is UML, you probably could attach to the kernel with gdb and get a picture of where it got hung. > One workaround is using UML and defining two taps, but it is an iptables > hell. Moreover when using UML and pinging I see an RTT which is not > consistent to what i set (it produce big oscillations in RTT even if i > didn't set any rtt variance). > > Is anyone having such problems? Any workaround or patch to apply? > > Thanks in advance, > Luca De Cicco > > - > : send the line "unsubscribe linux-net" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html - : send the line "unsubscribe linux-net" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
