Session terminates right after connecting

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  • #41194
    abottero
    Participant

    Hello,

    I am using my Linux machine (Ubuntu 20.04) to connect to a Linux server (RHEL 8.6).

    Connecting to NoMachine Workstation Version 7.10.1.

    The server is recognized and I can click “Create a new virtual desktop” but the window crashes right after connecting to the session without any error message.

    Here is the .nx/*local-host*/session I get on the client side:

    Info: Starting NoMachine version 8.1.2.
    Info: Loading settings from ‘/home/myname/.nx/config/player.cfg’.
    Info: Loaded translation files for ‘English’.
    37139 37139 2022-11-02 16:16:27 383,361 Main: Creating the client session.
    37139 37139 2022-11-02 16:16:27 383,484 ClientSession: Initializing session at 0xec2a40.
    37139 37139 2022-11-02 16:16:27 506,744 AudioIoPulseaudioServer: Failed to get devices list.
    37139 37139 2022-11-02 16:16:27 506,982 AudioIoPulseaudioServer: Failed to get devices list.
    37139 37139 2022-11-02 16:16:27 506,989 AudioProxyCore: WARNING! Audio engine reported empty list.
    37139 37139 2022-11-02 16:16:27 506,995 ClientAudio: WARNING! Could not query device settings.
    37139 37139 2022-11-02 16:16:27 507,046 ClientAudio: WARNING! There are no audio devices available.
    37139 37139 2022-11-02 16:16:27 507,056 ClientAudio: WARNING! There are no audio devices available.
    37139 37139 2022-11-02 16:16:27 507,182 ClientSession: Initialized session at 0xec2a40.
    37139 37139 2022-11-02 16:16:27 510,946 ClientSession: Starting session at 0xec2a40.
    37139 37139 2022-11-02 16:16:27 534,412 ClientSession: Going to start session ‘XXXXXX’.
    37139 37139 2022-11-02 16:16:27 547,316 Connection: Initializing connection at 0xe530e0.
    37139 37139 2022-11-02 16:16:27 547,488 Connection: Initialized connection at 0xe530e0.
    37139 37139 2022-11-02 16:16:27 547,502 Connection: Starting connection at 0xe530e0.
    37139 37139 2022-11-02 16:16:27 547,563 DaemonSshConnector: Starting a new connection to host ‘XXXXXX’ on port ’22’.
    37139 37139 2022-11-02 16:16:27 547,741 Connection: Started connection at 0xe530e0.
    37139 37139 2022-11-02 16:16:27 553,914 ClientSession: Started session at 0xec2a40.
    Info: Slave server running with pid 37147.
    Info: Listening to slave connections on port 27113.
    37139 37139 2022-11-02 16:16:27 642,333 Main: Entering the GUI event loop.
    Info: Connection to XXXXXXXX port 22 started at 16:16:27 866,171.
    37139 37169 2022-11-02 16:16:28 510,270 ClientSession: A valid certificate for this server was found.
    37139 37169 2022-11-02 16:16:29 896,115 Encryptor/Encryptor: A message from the server ‘Web console: https://server:9090/ or https://XXXXXX:9090/

    ‘.
    37139 37169 2022-11-02 16:16:30 311,086 Encryptor/Encryptor: A message from the server ‘xmodmap:  unable to open display ‘localhost:11.0’
    ‘.
    37139 37169 2022-11-02 16:16:30 470,474 Encryptor/Encryptor: A message from the server ‘xmodmap:  unable to open display ‘localhost:11.0’
    ‘.
    37139 37169 2022-11-02 16:16:30 629,544 Encryptor/Encryptor: A message from the server ‘xmodmap:  unable to open display ‘localhost:11.0’
    ‘.
    37139 37169 2022-11-02 16:16:30 788,616 Encryptor/Encryptor: A message from the server ‘xmodmap:  unable to open display ‘localhost:11.0’
    ‘.
    37139 37169 2022-11-02 16:16:30 948,625 Encryptor/Encryptor: A message from the server ‘xmodmap:  unable to open display ‘localhost:11.0’
    ‘.
    37139 37169 2022-11-02 16:16:31 107,759 Encryptor/Encryptor: A message from the server ‘xmodmap:  unable to open display ‘localhost:11.0’
    ‘.
    37139 37169 2022-11-02 16:16:31 266,499 Encryptor/Encryptor: A message from the server ‘xmodmap:  unable to open display ‘localhost:11.0’
    ‘.
    37139 37169 2022-11-02 16:16:31 425,403 Encryptor/Encryptor: A message from the server ‘xmodmap:  unable to open display ‘localhost:11.0’
    ‘.
    37139 37169 2022-11-02 16:16:31 584,381 Encryptor/Encryptor: A message from the server ‘xmodmap:  unable to open display ‘localhost:11.0’
    ‘.
    37139 37169 2022-11-02 16:16:31 743,275 Encryptor/Encryptor: A message from the server ‘xmodmap:  unable to open display ‘localhost:11.0’
    ‘.
    37139 37139 2022-11-02 16:16:33 249,627 ClientSession: Going to query the server for available services.
    37139 37139 2022-11-02 16:20:05 944,408 Connection: Connection at 0xe530e0 failed.
    37139 37139 2022-11-02 16:20:05 944,457 ClientSession: Runnable at 0xe530e0 caused the session at 0xec2a40 to fail.
    37139 37139 2022-11-02 16:20:05 944,468 ClientSession: WARNING! Ignoring failure with signal received.
    37139 37139 2022-11-02 16:20:05 944,558 Connection: WARNING! Ignoring the I/O error and waiting for the daemon error reporting.
    37139 37139 2022-11-02 16:20:05 949,856 ClientSession: SIGINT received, finishing the session.
    37139 37139 2022-11-02 16:20:05 949,896 ClientSession: Finishing session at 0xec2a40.
    37139 37139 2022-11-02 16:20:05 949,926 ClientSession: Stopping session at 0xec2a40.
    37139 37139 2022-11-02 16:20:05 950,699 ClientSession: Destroying display client.
    37139 37139 2022-11-02 16:20:06 099,857 Connection: Stopping connection at 0xe530e0.
    37139 37139 2022-11-02 16:20:06 099,973 DaemonSshConnector: Stopping the current connection.
    37139 37139 2022-11-02 16:20:06 100,409 Connection: Stopped connection at 0xe530e0.
    37139 37139 2022-11-02 16:20:06 120,478 ClientSession: Stopped session at 0xec2a40.
    37139 37139 2022-11-02 16:20:06 120,761 Connection: Finishing connection at 0xe530e0.
    37139 37139 2022-11-02 16:20:06 120,778 DaemonSshConnector: Stopping the current connection.
    37139 37139 2022-11-02 16:20:06 120,791 Connection: Finished connection at 0xe530e0.
    37139 37139 2022-11-02 16:20:06 121,679 ClientSession: Finished session at 0xec2a40.
    37139 37139 2022-11-02 16:20:06 122,520 MainPanelCanvas: WARNING! Current dialog was destroyed before being replaced.
    37139 37139 2022-11-02 16:20:06 123,281 Main: Exiting the GUI event loop.
    37139 37139 2022-11-02 16:20:06 123,292 Main: Destroying the client session.
    37139 37139 2022-11-02 16:20:06 129,536 Main: Exiting program with code ‘4’.

    Can you help?

    Thank you!

     

    #41432
    Britgirl
    Keymaster

    The player logs you pasted are very strange and don’t give an indication of what could be happening. Are you using NoMachine Workstation with its default settings because some of the output is unexpected? Also, you have a Workstation subscription, version 7.10, which is entitled to receive technical assistance via our support channel, so you should really consider opening a ticket because debug needs to be enabled and logs extracted, generally a service that is reserved for those with subscriptions.

    Please tell us the output of grep ^Exec /usr/share/xsessions/*
    sudo grep DefaultDesktopCommand /usr/NX/etc/node.cfg

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