[X2Go-User] x2go client seg fault

Andrew Munn andrew at nmedia.net
Tue Dec 12 11:31:01 CET 2017


My x2go client will stay connected for a while, then crash.  I have an ssh 
connection open to the same box and it stays up, as does an RDP session, 
so I'm thinking internet connection problems are not an issue.

NXPROXY - Version 3.5.0

Copyright (C) 2001, 2010 NoMachine.
See http://www.nomachine.com/ for more information.

Info: Proxy running in client mode with pid '217845'.
Session: Starting session at 'Tue Dec 12 01:40:17 2017'.
Info: Using abstract X11 socket in kernel namespace for accessing 
DISPLAY=:0.
Info: Connecting to remote host 'localhost:42406'.
Info: Connection to remote proxy 'localhost:42406' established.
"
x2go-DEBUG-../src/sshprocess.cpp:109> New TCP connection.
x2go-DEBUG-../src/sshprocess.cpp:114> New socket: 18
x2go-DEBUG-../src/sshmasterconnection.cpp:1517> Creating new channel.

x2go-DEBUG-../src/sshmasterconnection.cpp:1521> New channel:0x7fbb68001330

x2go-DEBUG-../src/sshmasterconnection.cpp:1527> Forwarding new channel, 
local port: 51900

x2go-DEBUG-../src/sshmasterconnection.cpp:1545> New channel forwarded.

x2go-DEBUG-../src/onmainwindow.cpp:6071> Proxy wrote on stderr: "Info: 
Connection with remote proxy completed.
Warning: Unrecognized session type 'unix-kde-depth_24'. Assuming agent 
session.
"
x2go-DEBUG-../src/onmainwindow.cpp:6071> Proxy wrote on stderr: "Info: 
Using WAN link parameters 768/24/1/0.
Info"
x2go-DEBUG-../src/onmainwindow.cpp:6071> Proxy wrote on stderr: ": Using 
cache parameters 4/4096KB/8192KB/8192KB.
Info: Using pack method '16m-jpeg-9' with session 'unix-kde-depth_24'.
Info: Using ZLIB data compression 1/1/32.
Info: Using ZLIB stream compression 1/1.
Info: No suitable cache file found.
Info: Forwarding X11 connections to display ':0'.
Session: Session started at 'Tue Dec 12 01:40:17 2017'.
"
x2go-DEBUG-../src/onmainwindow.cpp:10970> "Searching proxy window: 
X2GO-andrew-51-1513021653_stDMATE_dp24"
x2go-DEBUG-../src/onmainwindow.cpp:12575> "Searching window with title: 
X2GO-andrew-51-1513021653_stDMATE_dp24"
x2go-DEBUG-../src/onmainwindow.cpp:6071> Proxy wrote on stderr: "Info: 
Established X server connection.
"
x2go-DEBUG-../src/onmainwindow.cpp:6071> Proxy wrote on stderr: "Info: 
Using shared memory parameters 0/0K.
"
x2go-DEBUG-../src/onmainwindow.cpp:10970> "Searching proxy window: 
X2GO-andrew-51-1513021653_stDMATE_dp24"
x2go-DEBUG-../src/onmainwindow.cpp:12575> "Searching window with title: 
X2GO-andrew-51-1513021653_stDMATE_dp24"
x2go-DEBUG-../src/onmainwindow.cpp:10970> "Searching proxy window: 
X2GO-andrew-51-1513021653_stDMATE_dp24"
x2go-DEBUG-../src/onmainwindow.cpp:12575> "Searching window with title: 
X2GO-andrew-51-1513021653_stDMATE_dp24"
x2go-DEBUG-../src/onmainwindow.cpp:10970> "Searching proxy window: 
X2GO-andrew-51-1513021653_stDMATE_dp24"
x2go-DEBUG-../src/onmainwindow.cpp:12575> "Searching window with title: 
X2GO-andrew-51-1513021653_stDMATE_dp24"
x2go-DEBUG-../src/onmainwindow.cpp:10970> "Searching proxy window: 
X2GO-andrew-51-1513021653_stDMATE_dp24"
x2go-DEBUG-../src/onmainwindow.cpp:12575> "Searching window with title: 
X2GO-andrew-51-1513021653_stDMATE_dp24"
x2go-DEBUG-../src/onmainwindow.cpp:10970> "Searching proxy window: 
X2GO-andrew-51-1513021653_stDMATE_dp24"
x2go-DEBUG-../src/onmainwindow.cpp:12575> "Searching window with title: 
X2GO-andrew-51-1513021653_stDMATE_dp24"
x2go-DEBUG-../src/onmainwindow.cpp:10976> "Proxy window found: 81789064"
x2go-DEBUG-../src/sshprocess.cpp:109> New TCP connection.
x2go-DEBUG-../src/sshprocess.cpp:114> New socket: 21
x2go-DEBUG-../src/sshmasterconnection.cpp:1517> Creating new channel.

x2go-DEBUG-../src/sshmasterconnection.cpp:1521> New channel:0x7fbb680165b0

x2go-DEBUG-../src/sshmasterconnection.cpp:1527> Forwarding new channel, 
local port: 43726

x2go-DEBUG-../src/sshmasterconnection.cpp:1545> New channel forwarded.

x2go-DEBUG-../src/sshmasterconnection.cpp:1704> "channel_write failed." - 
"Remote channel is closed"

x2go-DEBUG-../src/sshprocess.cpp:463> I/O error: "channel_write failed."" 
- Remote channel is closed" (2).
x2go-DEBUG-../src/sshmasterconnection.cpp:1747> EOF sent.
x2go-DEBUG-../src/sshmasterconnection.cpp:1751> Channel closed.
x2go-DEBUG-../src/sshmasterconnection.cpp:1624> EOF on channel 
0x7fbb68001330; SshProcess object: 2
x2go-DEBUG-../src/sshmasterconnection.cpp:1747> EOF sent.
x2go-DEBUG-../src/sshmasterconnection.cpp:1751> Channel closed.
x2go-DEBUG-../src/onmainwindow.cpp:6071> Proxy wrote on stderr: "Error: 
Failure reading from the peer proxy.
"
x2go-DEBUG-../src/onmainwindow.cpp:6071> Proxy wrote on stderr: "Error: 
Connection with remote peer broken.
Error: Please check the state of your network and retry.
Session: Terminating session at 'Tue Dec 12 01:41:25 2017'.
Session: Session terminated at 'Tue Dec 12 01:41:25 2017'.
"
x2go-DEBUG-../src/onmainwindow.cpp:5928> Deleting Proxy.
x2go-DEBUG-../src/onmainwindow.cpp:5977> Waiting for proxy to exit.
x2go-DEBUG-../src/onmainwindow.cpp:5997> Checking exit status.
x2go-DEBUG-../src/sshprocess.cpp:199> Executing remote command via 
SshProcess object 3: "x2gocmdexitmessage 
andrew-51-1513021653_stDMATE_dp24"
x2go-DEBUG-../src/sshprocess.cpp:204> this=SshProcess(0x55a66e0363c0)  
Running masterCon->addChannelConnection(this, ' "<snip>" ', ' "bash -l -c 
'echo 
"X2GODATABEGIN:<snip>"; export PATH="/usr/local/bin:/usr/bin:/bin"; export 
TERM="dumb"; x2gocmdexitmessage andrew-51-1513021653_stDMATE_dp24; echo 
"X2GOD" '); 
x2go-DEBUG-../src/sshmasterconnection.cpp:1325> Locking SSH channel 
connection MUTEX.
x2go-DEBUG-../src/sshmasterconnection.cpp:1327> Passing new channel 
conenction object to channelConnections.
x2go-DEBUG-../src/sshmasterconnection.cpp:1329> Unlocking SSH channel 
connection MUTEX.
x2go-DEBUG-../src/sshmasterconnection.cpp:1517> Creating new channel.

x2go-DEBUG-../src/sshmasterconnection.cpp:1521> New channel:0x7fbb68001330

x2go-DEBUG-../src/sshmasterconnection.cpp:1552> Executing remote: "bash -l 
-c 'echo "X2GODATABEGIN:<snip>"; export 
PATH="/usr/local/bin:/usr/bin:/bin"; export TERM="dumb"; 
x2gocmdexitmessage andrew-51-1513021653_stDMATE_dp24; echo 
"X2GODATAEND:<snip>";'"

x2go-DEBUG-../src/onmainwindow.cpp:6054> Finished proxy.
x2go-DEBUG-../src/sshprocess.cpp:109> New TCP connection.
x2go-DEBUG-../src/sshprocess.cpp:114> New socket: 18
x2go-DEBUG-../src/sshmasterconnection.cpp:1560> "channel_open_session 
failed.": "Received SSH_MSG_DISCONNECT: 2:Received ieof for nonexistent 
channel 0."

x2go-DEBUG-../src/sshmasterconnection.cpp:1517> Creating new channel.

x2go-DEBUG-../src/sshmasterconnection.cpp:1521> New channel:0x7fbb68001250

x2go-DEBUG-../src/sshmasterconnection.cpp:1527> Forwarding new channel, 
local port: 52928

x2go-DEBUG-../src/sshmasterconnection.cpp:1539> "channel_open_forward 
failed.": "Socket error: Operation now in progress"

x2go-DEBUG-../src/sshprocess.cpp:463> I/O error: "channel_open_session 
failed."" - Received SSH_MSG_DISCONNECT: 2:Received ieof for nonexistent 
channel 0." (3).
x2go-DEBUG-../src/sshprocess.cpp:463> I/O error: "channel_open_forward 
failed."" - Socket error: Operation now in progress" (2).
x2go-DEBUG-../src/sshprocess.cpp:109> New TCP connection.
x2go-DEBUG-../src/sshprocess.cpp:114> New socket: 15
x2go-DEBUG-../src/sshmasterconnection.cpp:1517> Creating new channel.

x2go-DEBUG-../src/sshmasterconnection.cpp:1521> New channel:0x7fbb68011ee0

x2go-DEBUG-../src/sshmasterconnection.cpp:1527> Forwarding new channel, 
local port: 52888

Segmentation fault



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