[olsr-dev] 0.4.9 CVS hangs while deleting route

Sven-Ola Tuecke (spam-protected)
Sat Feb 26 13:02:24 CET 2005


Hi Andreas,

investigated further. Found two things:

a) experienced direct routes with metric==2, which is funny

a) a maybe misplaced if(last_run) in the delete loop implicilty assuming 
direct routes should have metric==1, which causes the hang.

For my version, I shifted the if(last_run) up one level to delete that route 
even if direct but metric==2. When olsrd is started then, a couple of minutes 
I have addroute(metric 2) delroute(metric 2) until things stablized.

I also have sporadic SEGVs while using the nameservice plugin. But that is 
another topic - I will investigate more tomorrow...

Regards, Sven-Ola 

Am Samstag, 26. Februar 2005 12:53 schrieb Andreas T√łnnesen:
> Thanks for reporting in Sven! Seems like there is a problem with
> the route calculation - multiple routes to the same host is added.
> We'll look into it.
>
> - Andreas
>
> Sven-Ola Tuecke wrote:
> > Hi,
> >
> > with the current CVS version of olsrd, the daemon hangs in an endless
> > loop while deleting routes. I dont know, if it is possible to reproduce
> > the results, so I try to fetch some infos before I restart all daemons in
> > order to write this mail.
> >
> > I attach a complete log made with -d 9 -dispin -dispout and a gdb
> > backtrace as well. Hope it helps. The config where this hang is encounter
> > described in short:
> >
> > - My notebook 104.65.65.68, actual cvs-0.4.9, single wlan in ad-hoc
> > - wrt54g with olsrd-cvs-0.4.9 (week old) single wlan 104.65.65.66/8
> > - wrt54g with olsrd-cvs-0.4.9 (week old) single wlan 104.65.65.67/8
> > - wrt54gs with olsrd-cvs-0.4.9 (week old) wlan 104.65.65.97/8 and a
> > second ether iface vlan1=104.65.65.111/26.  There was no other olsrd at
> > the other end of the ethernet wire - I have stopped the other device to
> > cut olsr broadcasts from the berlin mesh in order to have a small routing
> > table - therefore no hna4 for defaultgw in range
> >
> > all three wrts have dyngw, httpinfo and nameinfo plugin, but that should
> > not interfere here...
> >
> > Regards, Sven-Ola
> >
> >
> > ------------------------------------------------------------------------
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