[FreeNX-kNX] Can't resume session

[David]

I'm using FreeNX 0.7.1 with the latest NoMachine Client 3.0 (both on a
Linux system) and I somehow can't resume my sessions. Here's what I do:

Start nxclient and start a new session (floating window, starting
rxvt). Then I suspend the session, which seems to work:

NX> 1009 Session status: suspending
session_status CF0889509748C6706CCCB88103212823 Suspending
server_nxnode_echo: NX> 1009 Session status: suspending
NX> 1005 Session status: suspended
session_suspend CF0889509748C6706CCCB88103212823
server_nxnode_echo: NX> 1005 Session status: suspended

Now, when I try to resume this session (same machine!), the session is
unavailable: 

NX> 105 listsession --user="void" --status="suspended,running" 
        --geometry="1900x1200x24" --type="unix-application"
NX> 127 Sessions list of user 'void' for reconnect:

Display Type             Session ID                       Options  Depth 
------- ---------------- -------------------------------- -------- ----- 
1000    unix-application CF0889509748C6706CCCB88103212823 -----PSA    24

Screen         Status      Session Name                  
-------------- ----------- ------------------------------
 640x480        N/A         test

I also tested this with other applications and fixed desktop sizes
(e.g. non-floating window) with the same result. 

-David