[hobbit] Error in bb-network.log

Wim De Houwer wdehouwer at be.tiscali.com
Mon Jan 24 08:51:21 CET 2005

Maybe a stupid question ...

I added the --trace option to the bbtest-net and it uses standard
traceroute.  When I try to stop hobbit that traceroute (to a host that's
down for the moment) keeps living. I remember some post where someone
mentioned that it's more interesting to use mtr instead of the standard
traceroute for obvious performance reasons.  Could this be the cause of
my problem as well ?  How would i make hobbit use mtr instead of
traceroute ?


-----Original Message-----
From: Henrik Stoerner [mailto:henrik at hswn.dk] 
Sent: maandag 24 januari 2005 8:40
To: hobbit at hswn.dk
Subject: Re: [hobbit] Error in bb-network.log

On Mon, Jan 24, 2005 at 08:25:32AM +0100, Wim De Houwer wrote:
> Hello Henrik,
> I see alot of following errors in my bb-network.log:
> 2005-01-24 08:19:44 WARNING: Runtime 477 longer than time limit (300)
> 2005-01-24 08:20:14 dns_queue_run deadlock - loops=834

There is some sort of problem with your DNS lookups, causing them to
timeout. Check if your /etc/resolv.conf points at the correct DNS
servers and that they actually do respond to lookups - e.g. pick some of
the hostnames from your bb-hosts file and try to run a "nslookup HOST"
on them.

I have one report that the ARES library used by bbtest-net does not work
properly with some DNS servers. So you could try adding the "--no-ares"
option to the bbtest-net command in hobbitlaunch.cfg.
If that makes the problem go away, I'd like to know a bit more about
your DNS server setup - like what kind of DNS servers are you querying?


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