Detached GNU screen session unexpectedly killed upon terminal close












0














I am using GNU screen for years now on several servers with the same configuration and never ran into this strange problem:



After connecting to the server via SSH I start screen (without options). Then, no matter if I close my terminal application (iTerm or Terminal, by clicking on "the x" or via CMD+W
) or detach the screen session first using CTRL+A D, in any case the screen process gets killed and the session is gone. For debugging, I have explicitly set autodetach to on now, but that does not help.




  • Its not a Ubuntu 18 problem per se, as it does not show up on another Ubuntu 18 VM

  • It is not a problem with iTerm2 per se, as it shows up under Max OS Xs Terminal as well


Any idea how to quickly tackle this?










share|improve this question


















  • 1




    You could try and debug by attaching a strace -fo strace.log -p "$pid" where $pid is the pid of the screen server.
    – Stéphane Chazelas
    25 mins ago










  • Does it happen as well with screen -c /dev/null. Or when using a different value of $SHELL.
    – Stéphane Chazelas
    23 mins ago
















0














I am using GNU screen for years now on several servers with the same configuration and never ran into this strange problem:



After connecting to the server via SSH I start screen (without options). Then, no matter if I close my terminal application (iTerm or Terminal, by clicking on "the x" or via CMD+W
) or detach the screen session first using CTRL+A D, in any case the screen process gets killed and the session is gone. For debugging, I have explicitly set autodetach to on now, but that does not help.




  • Its not a Ubuntu 18 problem per se, as it does not show up on another Ubuntu 18 VM

  • It is not a problem with iTerm2 per se, as it shows up under Max OS Xs Terminal as well


Any idea how to quickly tackle this?










share|improve this question


















  • 1




    You could try and debug by attaching a strace -fo strace.log -p "$pid" where $pid is the pid of the screen server.
    – Stéphane Chazelas
    25 mins ago










  • Does it happen as well with screen -c /dev/null. Or when using a different value of $SHELL.
    – Stéphane Chazelas
    23 mins ago














0












0








0







I am using GNU screen for years now on several servers with the same configuration and never ran into this strange problem:



After connecting to the server via SSH I start screen (without options). Then, no matter if I close my terminal application (iTerm or Terminal, by clicking on "the x" or via CMD+W
) or detach the screen session first using CTRL+A D, in any case the screen process gets killed and the session is gone. For debugging, I have explicitly set autodetach to on now, but that does not help.




  • Its not a Ubuntu 18 problem per se, as it does not show up on another Ubuntu 18 VM

  • It is not a problem with iTerm2 per se, as it shows up under Max OS Xs Terminal as well


Any idea how to quickly tackle this?










share|improve this question













I am using GNU screen for years now on several servers with the same configuration and never ran into this strange problem:



After connecting to the server via SSH I start screen (without options). Then, no matter if I close my terminal application (iTerm or Terminal, by clicking on "the x" or via CMD+W
) or detach the screen session first using CTRL+A D, in any case the screen process gets killed and the session is gone. For debugging, I have explicitly set autodetach to on now, but that does not help.




  • Its not a Ubuntu 18 problem per se, as it does not show up on another Ubuntu 18 VM

  • It is not a problem with iTerm2 per se, as it shows up under Max OS Xs Terminal as well


Any idea how to quickly tackle this?







gnu-screen






share|improve this question













share|improve this question











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asked 35 mins ago









MischaMischa

1012




1012








  • 1




    You could try and debug by attaching a strace -fo strace.log -p "$pid" where $pid is the pid of the screen server.
    – Stéphane Chazelas
    25 mins ago










  • Does it happen as well with screen -c /dev/null. Or when using a different value of $SHELL.
    – Stéphane Chazelas
    23 mins ago














  • 1




    You could try and debug by attaching a strace -fo strace.log -p "$pid" where $pid is the pid of the screen server.
    – Stéphane Chazelas
    25 mins ago










  • Does it happen as well with screen -c /dev/null. Or when using a different value of $SHELL.
    – Stéphane Chazelas
    23 mins ago








1




1




You could try and debug by attaching a strace -fo strace.log -p "$pid" where $pid is the pid of the screen server.
– Stéphane Chazelas
25 mins ago




You could try and debug by attaching a strace -fo strace.log -p "$pid" where $pid is the pid of the screen server.
– Stéphane Chazelas
25 mins ago












Does it happen as well with screen -c /dev/null. Or when using a different value of $SHELL.
– Stéphane Chazelas
23 mins ago




Does it happen as well with screen -c /dev/null. Or when using a different value of $SHELL.
– Stéphane Chazelas
23 mins ago










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