Net dies after many torrent packets, BUG?!

Nikos Vassiliadis nvass at
Thu Jun 1 07:03:02 PDT 2006

On Thursday 01 June 2006 16:30, nocturnal wrote:
> Hi
> One thing i should have mentioned is that this only happens with
> rtorrent. For example i can transfer in 10Mbit+(not much plus) from
> work, where i have no bandwidth restriction, for hours without problems.
> Using scp, i have not tried with ftp and very large files. When i
> transfer large files from work with scp i can maintain a speed of
> 10Mbit+ for long periods of times without problems. This problem has
> only happened because of rtorrent using a lot of bandwidth. And as i
> said earlier it happens when using less bandwidth to.

Is you computer behing a dsl modem/router which does NAT?
Sometimes modem/routers cannot handle the number of connections
torrents do and die. And most of the time you cannot have a clue, everything
will look normal, but it won't do NAT.

Also, what do mean when you say "net dies"? Do you mean internet dies
or your LAN dies?

> Med vänliga hälsningar
> Stefan Midjich aka nocturnal
> [Swehack]
> Lowell Gilbert wrote:
> > nocturnal <nocturnal at> writes:
> >> Not sure if this is already posted or already reported as a bug
> >> because i honestly don't have time for those things.
> >>
> >> I have reproduced this problem a few times but it has some special
> >> requirements. For example i download a torrent from a very fast peer
> >> in the rtorrent client. I have reproduced this with both rTorrent
> >> 0.4.5 -
> >> libTorrent 0.8.5 and two earlier versions which i don't remember. My
> >> friend is using the same versions as i am now and reported no problems
> >> in the latest development versions, he only started using them
> >> today. I have a 10/10Mbit connection at home and this happens when
> >> rtorrent is downloading at max speed. It varies somewhere around
> >> 7-10Mbit but never over 10Mbit by much. My friend only has a capacity
> >> of 1Mbit but got the same problem.
> >>
> >> This is why i'm reporting this because if it turns out that this can
> >> be reproduced by sending speciall crafted packets or packets in a
> >> special order then i guess it's pretty serious. I highly doubt this
> >> but still, a user process should not kill the net like rtorrent has
> >> done.
> >>
> >> Both me and my friend were running FreeBSD 6.0 RELEASE when this
> >> happened.
> >>
> >> I was not going to report this but a friend just told me he gets the
> >> exact same results on FreeBSD 6.0 so i felt i should tell someone.
> >
> > Do you have good NICs?
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