I have a server set up which is Ubuntu 12.04.4 LTS (GNU/Linux 3.2.0-64-virtual 
x86_64). 

I installed ubuntu-desktop as instructed by the x2go wiki. I also did these 
steps:

sudo apt-get install x2goserver
sudo apt-get install x2goserver-xsession
sudo apt-get install sqlite3
sudo x2godbadmin --createdb

I try to connect from the Mac client (tried all the versions) and it always 
fails. It just hangs at the screen where it's trying to connect. I set the 
server log level to debug and it just says:

Jun 24 00:52:50 <my_ip> /usr/bin/x2golistsessions[32234]: x2golistsessions has 
been called with no option
Jun 24 00:52:50 <my_ip> /usr/bin/x2gostartagent: x2gostartagent called with 
options: 800x600 isdn 256k-jpeg unix-kde-depth_32 us query 0 D 
gnome-flashback.sh
Jun 24 00:52:50 <my_ip> /usr/bin/x2gostartagent: client announced itself as 
,,173.12.186.158''
Jun 24 00:52:50 <my_ip> /usr/bin/x2gosessionlimit[32271]: x2gosessionlimit has 
been called
Jun 24 00:52:50 <my_ip> /usr/bin/x2golistsessions[32274]: x2golistsessions has 
been called with options: --all-servers
Jun 24 00:52:51 <my_ip> /usr/lib/x2go/x2gogetdisplays[32289]: db_getdisplays 
called, server: <my_ip>; return value:
Jun 24 00:52:51 <my_ip> /usr/lib/x2go/x2gogetports[32298]: db_getports called, 
server: <my_ip>; return value:
Jun 24 00:52:52 <my_ip> /usr/lib/x2go/x2gogetdisplays[32342]: db_getdisplays 
called, server: <my_ip>; return value:
Jun 24 00:52:52 <my_ip> /usr/lib/x2go/x2gogetports[32351]: db_getports called, 
server: <my_ip>; return value:

It repeats this over and over as the processor runs at 100% on the server, 
being hosed by the several x2go processes that seem to be stuck in an infinite 
loop.

You'll notice that it runs gnome-flashback.sh in my command, that's because it 
doesn't work to connect the normal way either, so I tried the steps outlined in 
this e-mail from this list:
http://lists.x2go.org/pipermail/x2go-user/2014-May/002260.html

(I find it annoying that it doesn't work with Gnome 3 according to that e-mail, 
yet it doesn't mention this incompatibility in a conspicuous way anywhere on 
the x2go site.)

Anyway I followed all the steps 1. through 6. in the above-linked e-mail, to no 
avail, because it did nothing at all towards making this work. 

BTW my server is on EC2. Don't know if that matters. And yes, I have 

Please let me know what is going wrong here and what I can do to fix this. 
Thanks. BTW I do have the latest version of XQuartz installed as my client, and 
I did set it up to accept remote connections and all that. The connection gets 
made no problem; the problem definitely seems to be on the server. 

Jon
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