Bad conecting to IRC channel by pidgin

Binary package hint: pidgin

I' using: Ubuntu 7.10; Pidgin 2.2.1

I try to connect freenode irc server. Pidgin connect (It seems to) I do double click on chat rooms I have registered before (#ubuntu-es, etc.) but nothing, chat windows do not go up.

I thought that it could by about my access connection, but I downloaded XChat-GNOME 0.18 and it works perfectly.

ProblemType: Bug
Architecture: i386
Date: Sun Feb 17 21:24:43 2008
DistroRelease: Ubuntu 7.10
ExecutablePath: /usr/bin/pidgin
NonfreeKernelModules: nvidia
Package: pidgin 1:2.2.1-1ubuntu4.1
PackageArchitecture: i386
ProcCmdline: pidgin
ProcCwd: /home/marcelo
ProcEnviron:
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
 LANG=es_AR.UTF-8
 SHELL=/bin/bash
SourcePackage: pidgin
Uname: Linux pcmaguila 2.6.22-14-generic #1 SMP Tue Feb 12 07:42:25 UTC 2008 i686 GNU/Linux