Logout takes 15 seconds

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  • #29869
    AvatarSteve92
    Participant

    Server:

    Debian 10

    LXDE

    LightDM

    NoMachine (free last release 6.12.3_7_amd64, .DEB file)

    Client:

    Windows 8.1

    NoMachine (free last release 6.12.3)

    ———–

    Hello,

    I’m testing NoMachine (free last release 6.12.3_7_amd64, .DEB file) to acces a VPS under “Debian 10” with LXDE+LightDM from a “Windows 8.1” client.

    When I quit Debian session (logout from LXDE desktop), it takes about 15 secondes to get the greeter.

    Is it normal ?

    I don’t have this delay with concurrent products (it takes only one second)…

    Regards,

    Steve.

    #29925
    AvatarMth
    Contributor

    Hello.

    With how the session detection works right now it could be normal, unless there is a suspicion that something is hanging within the processes (both NoMachine or
    lxde).

    In theory when doing logout the Xserver for desktop should immediately shut down, which triggers the shut down of NoMachine agent. That should prompt new agent to be
    launched for Login Window session. When the shut down of Xserver or agent is delayed though there could be a lag period.

    Please check if there are any errors or warnings in /user/NX/var/log/nxserver.log file that could be pointing to an issue.

    /Mth

     

    #30017
    AvatarSteve92
    Participant

    Hello,

    Here is what I get in log: strange error when try to clean a non empty directory ?!?

    1st test : login via VPN installed on VPS I access,  session logout takes about 30 s. !!!

    — Access via VPN —————-
    2020-10-22 22:18:11 565.410 14422 NXSERVER User ‘root’ logged in from ‘10.8.0.2’ using authentication method NX-password.
    2020-10-22 22:18:40 237.188   987 NXNODE   WARNING! Process ‘/usr/NX/bin/nxexec /usr/NX/scripts/restricted/nxamixer.sh mute 0 0’ with pid ‘14657/14657’ finished with exit code 1 after 0,152 seconds.
    2020-10-22 22:19:16 814.560   987 NXNODE   ERROR! Session monitor: cleaning session files: cannot remove directory /usr/NX/var/log/node/C-vps999999-1001-3886D41748462B75D97C47F5B114F626/devices: Directory not empty
    2020-10-22 22:19:16 815.297   987 NXNODE   ERROR! session monitor: cleaning session files: cannot remove dir ‘/usr/NX/var/log/node/C-vps999999-1001-3886D41748462B75D97C47F5B114F626’: Directory not empty
    2020-10-22 22:21:10 156.495 14422 NXSERVER User ‘root’ from ‘10.8.0.2’ logged out.
    2020-10-22 22:21:10 244.216 15532 NXNODE   WARNING! Process ‘/usr/NX/bin/nxexec /usr/NX/scripts/restricted/nxamixer.sh mute 0 0’ with pid ‘15732/15732’ finished with exit code 1 after 0,061 seconds.

    2nd test:  login via SSH tunnel with VPS I access,  session logout takes about 15 s. !

    — Access via SSH tunnel ——————–
    2020-10-22 22:33:41 960.230 17150 NXSERVER User ‘root’ logged in from ‘151.12.34.56’ using authentication method NX-password.
    2020-10-22 22:34:18 522.887 15532 NXNODE   ERROR! Session monitor: cleaning session files: cannot remove directory /usr/NX/var/log/node/C-vps999999-1001-28C1704048563D930A1BBAB070D0BEAA/devices: Directory not empty
    2020-10-22 22:34:18 523.125 15532 NXNODE   ERROR! session monitor: cleaning session files: cannot remove dir ‘/usr/NX/var/log/node/C-vps999999-1001-28C1704048563D930A1BBAB070D0BEAA’: Directory not empty
    2020-10-22 22:39:07 684.815 17150 NXSERVER User ‘root’ from ‘151.12.34.56’ logged out.
    2020-10-22 22:39:07 720.752 18464 NXNODE   WARNING! Process ‘/usr/NX/bin/nxexec /usr/NX/scripts/restricted/nxamixer.sh mute 0 0’ with pid ‘18621/18621’ finished with exit code 1 after 0,046 seconds.

    ————————-

    Could these errors explain the long delay to logout ?

    How to solve them ?

    Thanks,

    Regards,

    Steve.

    #31001
    AvatarMth
    Contributor

    Hello

    These errors should not be the cause of delay, they are from procedure that is started after the switch is detected.

    Most likely right now there is no way to speed it up.

    /Mth

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