Screen will not launch at all in OS X

[Errer]

Hi, I am running OS X 10.7, and GNU Screen will not launch at all at the command line (it just hangs indefinitely). This is true both when trying to run screen locally and remotely. Screen will still do some basic stuff such as dump the version information when I run "screen --version", but about all I can do if I run screen normally is suspend the process, and when I run "fg" I get the following error message:

"Sorry, cannot contact session "52349.ttys010.xxxxx" again."

This problem has actually existed for me for over a year (under both 10.6 and 10.7), and both the built-in version of screen in OS X and the version from MacPorts have the same problem (they are both version 4.00.03). Does anyone have any ideas on how to solve this?

[smontanaro]

    Errer> This problem has actually existed for me for over a year (under
    Errer> both 10.6 and 10.7), and both the built-in version of screen in
    Errer> OS X and the version from MacPorts have the same problem (they
    Errer> are both version 4.00.03). Does anyone have any ideas on how to
    Errer> solve this?

I've no ideas how to solve it, but I can report that it works for me on
10.5.8 (using it to type this, in fact).  It is also version 4.00.03.
Perhaps something changed in Snow Leopard?  I have a Lion machine at home.
I will try and remember to test it when I get home this evening.

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Skip Montanaro - skip@... - http://www.smontanaro.net/

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[smontanaro]

    skip> I've no ideas how to solve it, but I can report that it works for
    skip> me on 10.5.8 (using it to type this, in fact).  It is also version
    skip> 4.00.03.  Perhaps something changed in Snow Leopard?  I have a
    skip> Lion machine at home.  I will try and remember to test it when I
    skip> get home this evening.

Just tried it on my Lion machine, both local and in an ssh session.  Worked
fine.

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[Juergen Weigert]

On Feb 02, 12 22:46:48 -0800, Errer wrote:
>
> Hi, I am running OS X 10.7, and GNU Screen will not launch at all at the
> command line (it just hangs indefinitely). This is true both when trying to
> run screen locally and remotely. Screen will still do some basic stuff such
> as dump the version information when I run "screen --version", but about all
> I can do if I run screen normally is suspend the process, and when I run
> "fg" I get the following error message:
>
> "Sorry, cannot contact session "52349.ttys010.xxxxx" again."

Two tests:
- can you try to run screen as superuser?
  Would it work then?

- can you try to run (as normal user and if possible also superuser)
  strace -o screen_strace.log screen
  and show us the screen_strace.log file.

guess that would be helpful for diagostics...

        cheers,
                JW-

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