Re: SSH Hangs on exit

On Wed, Nov 27, 2002 at 09:13:18AM -0800, Randy Young <rwyoung@verisign.com> wrote:
> You would find that if you telnetted into a machine and started a job in

imadev:~$ telnet vandev
Trying...
Connected to vandev.eeg.ccf.org.
Escape character is '^]'.
Local flow control on
Telnet TERMINAL-SPEED option ON

HP-UX vandev B.10.20 A 9000/778 (ttyp3)

login: wooledg
Password:
Please wait...checking for disk quotas
[ SNIP ]
vandev:/net/home/wooledg$ nohup sleep 10000 & [1] 17650
vandev:/net/home/wooledg$ Sending output to nohup.out [ User presses Ctrl-D ]
You have running jobs
vandev:/net/home/wooledg$ [ User presses Ctrl-D again ] logout
Connection closed by foreign host.

imadev:~$ ssh vandev ps -fu wooledg
wooledg@vandev's password:

     UID   PID  PPID  C    STIME TTY       TIME COMMAND
wooledg 17653 17651  2 08:49:06 ?         0:00 sshd: wooledg@notty
wooledg 17650     1  0 08:47:05 ?         0:00 sleep 10000
wooledg 17654 17653  5 08:49:11 ?         0:00 ps -fu wooledg

imadev:~$ ssh vandev kill 17650
wooledg@vandev's password:

imadev:~$ ssh vandev 'nohup sleep 12000 &' wooledg@vandev's password:
[ SESSION HANGS ]
[ User presses Ctrl-C ]
Killed by signal 2.

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imadev:~$ ssh vandev ps -fu wooledg
wooledg@vandev's password:

     UID   PID  PPID  C    STIME TTY       TIME COMMAND
wooledg 17666 17664  1 08:50:55 ?         0:00 sshd: wooledg@notty
wooledg 17663     1  0 08:50:22 ?         0:00 sleep 12000
wooledg 17667 17666  5 08:51:00 ?         0:00 ps -fu wooledg

imadev:~$ ssh vandev kill 17663
wooledg@vandev's password:

imadev:~$ ssh vandev 'nohup sleep 13000 >/dev/null 2>&1 &' wooledg@vandev's password:
[ Session does not hang ]

I get the same result if I use a Debian GNU/Linux 3.0 ("woody") system as the server instead of HP-UX 10.20. Received on Mon Dec 2 10:21:57 2002