Out of ptys

From: Jérôme MILAZZO (milazzo_at_michigan.cad.cea.fr)
Date: 12/16/03

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    Date: Tue, 16 Dec 2003 12:03:28 +0100
To: tru64-unix-managers@ornl.gov

    Hi managers,

    My company is currently using an AlphaServer ES40 running Tru64 Unix 4.0F.
    We have some strange problem with the number of pty available...

    Here is the configuration :

    - MAKEDEV run all the targets from PTY_1 to PTY_9
    (create 816 /dev/pty... and more than 2000 /dev/tty...)

    - the current sysconfig for pts is below ...
    pts:
            nptys = 8192

    Sometimes we cannot login with error "Out of ptys" (rsh, telnet or new xterm
    or dtterm)
    When I list open files with lsof, I can find about 300 /dev/pty open but
    never over the current number of existing "/dev/pty..." (~800).
    The maximum total number of process that I can see is (more or less) 500...

    Any idea would be helpfull :-)

    thanks in advance

    Jerome

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