Public bug reported:
- Observed under Ubuntu 14.04.
- X11rdp installed using the X11rdp-o-matic script
- Connect from a Windows 7 or 8 machine through a remote desktop connection
X11rdp stores the session related files into /tmp/.xrdp directory. Once
connected several socket files are created in the /tmp/.xrdp directory;
once the user disconnects from the session if the sesman.ini is set to
keep the session alive for the client to be able to resume working after
he reconnects a file named xrdp_chanserv_session_xx is created into the
/tmp/.xrdp directory. once the client reconnects to the given xx session
this file is removed from the location.
However if the client's internet is cut off even for a second and he doesn't
have the possibility to disconnect from the RDP session the mentioned
xrdp_chanserv_session_xx file is not created. When the client tries to
reconnect he only sees a grey screen. the xrdp session is never "released"
automatically and the only way to reconnect to the X11rdp host is to restart
either the xrdp service or the host by itself, in this way losing the initially
created session.
i'm adding an extract of the xrdp.log showing how the client is trying to
connect to the server and after several attempts it gives up due to the missing
xrdp_chanserv_session_xx file.
[20161017-11:08:30] [INFO ] lib_mod_log_peer: xrdp_pid=13421 connected to
X11rdp_pid=3102 X11rdp_uid=1000 X11rdp_gid=1000 client_ip=192.168.1.201
client_port=49360
[20161017-11:08:31] [ERROR] xrdp_mm_connect_chansrv: connect failed trying
again...
[20161017-11:08:31] [INFO ] An established connection closed to endpoint:
NULL:NULL - socket: 13
[20161017-11:08:32] [ERROR] xrdp_mm_connect_chansrv: connect failed trying
again...
[20161017-11:08:32] [INFO ] An established connection closed to endpoint:
NULL:NULL - socket: 13
[20161017-11:08:33] [ERROR] xrdp_mm_connect_chansrv: connect failed trying
again...
[20161017-11:08:33] [INFO ] An established connection closed to endpoint:
NULL:NULL - socket: 13
[20161017-11:08:34] [ERROR] xrdp_mm_connect_chansrv: connect failed trying
again...
[20161017-11:08:34] [ERROR] xrdp_mm_connect_chansrv: error intrans_connect chan
[20161017-11:08:34] [INFO ] An established connection closed to endpoint:
127.0.0.1:3350 - socket: 11
[20161017-11:08:36] [INFO ] An established connection closed to endpoint:
192.168.1.201:49360 - socket: 8
[20161017-11:08:36] [DEBUG] xrdp_mm_module_cleanup
** Affects: xrdp (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1634298
Title:
X11rdp server does not close session properly when client network dies
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