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Date: Wed, 6 Sep 2006 11:18:40 -0400
From: "burning shadow" <burning DOT shadow AT gmail DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: bash processes <defunct> after ssh session disconnection
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I figured out this happens only if something was run from bash. For
example, irssi. If disconnection occured when there was only bash
active, it does not become <defunct> but stays forever with flag 'I'
in processes.

On 8/30/06, burning shadow <burning DOT shadow AT gmail DOT com> wrote:
> Since cygwin1.dll version 1.5.20 I get bash processes became <defunct>
> sometimes after SSH session disconnects. For example, today there was
> a network problem and my SSH session got broken, after I reconnected,
> there was 1 <defunct> process. Sometimes this does not happen. All
> components I am using are updated to latest release available.
>
> This is something to show what is happening:
>
> shadow AT loshadka:~$ ps -a
>       PID    PPID    PGID     WINPID  TTY  UID    STIME COMMAND
>      1588       1    1588       1588    ?   18   Aug 29 /usr/bin/cygrunsrv
>      1640    1588    1640       1488    ?   18   Aug 29 /usr/sbin/sshd
>      1532    1640    1532       1228    ?   18 12:37:45 <defunct>
>      1576    1640    1576       1676    ?   18 12:22:09 <defunct>
> I    1136       1    1136       1748    3 1000 14:11:20 /usr/bin/bash
>      1496    1516    1496       1568    4 1000 16:58:58 /usr/bin/bash
>      1088    1496    1088       1644    4 1000 17:08:08 /usr/bin/ps
> shadow AT loshadka:~$ kill -9 1136
> -bash: kill: (1136) - No such process
> shadow AT loshadka:~$ /bin/kill.exe -f 1136
> kill: couldn't open pid 1748
> shadow AT loshadka:~$ /bin/kill.exe -f 1748
> kill: couldn't open pid 1748
> shadow AT loshadka:~$ kill -9 1532
> -bash: kill: (1532) - No such process
> shadow AT loshadka:~$ /bin/kill.exe -f 1532
> kill: couldn't open pid 1228
> shadow AT loshadka:~$ /bin/kill.exe -f 1228
> kill: couldn't open pid 1228
> shadow AT loshadka:~$ ps -W |grep -e bash -e defunct
>      1532    1640    1532       1228    ?   18 12:37:45 <defunct>
>      1576    1640    1576       1676    ?   18 12:22:09 <defunct>
> I    1136       1    1136       1748    3 1000 14:11:20 /usr/bin/bash
>      1496    1516    1496       1568    4 1000 16:58:58 /usr/bin/bash
> shadow AT loshadka:~$ pslist |grep bash
> bash               1620   8   4  111   2208     0:00:00.350     5:48:55.546
> bash                588   8   4  111   2208     0:00:00.120     5:04:13.920
> bash               1568   8   4  123   2236     0:00:00.310     0:23:27.237
> bash               1524   8   2   72   1532     0:00:00.040     0:00:00.070
> bash               1664   8   2   55   1456     0:00:00.030     0:00:00.040
>
> Note: pslist is an external utility from sysinternals.
>
> shadow AT loshadka:~$ type pslist
> pslist is /d/tools/bin/pslist
>
> I also want to mention that before 1.5.20 bash processes just remained
> in memory and I had to kill them manually. It would be much better if
> they'd got killed upon SSH disconnection, like it happens in normal
> unix environment.
>
>
>

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