WMIC hangs

Christopher Faylor cgf-use-the-mailinglist-please@cygwin.com
Sat Apr 28 23:31:00 GMT 2007

On Fri, Apr 27, 2007 at 01:26:50PM -0400, Larry Hall (Cygwin) wrote:
>Christopher Faylor wrote:
>> On Fri, Apr 27, 2007 at 11:51:29AM -0400, Larry Hall (Cygwin) wrote:
>>> Will/Strobel wrote:
>>>> Objective: ssh into windows run to wmic.exe
>>>> Problem: when calling wmic.exe cmd line hangs, the process is being created,
>>>> but nothing else. Once you kill wmic.exe it releases the cmd line back.
>>>> Is there an issue with wmic or is there an environment var I need to set?
>>> 'ssh' uses a pty by default for I/O which Windows programs don't understand.
>>> See the information on 'tty' at:
>>> <http://cygwin.com/cygwin-ug-net/using-cygwinenv.html>
>>> I haven't tried installing 'sshd' without 'tty' set.  And, of course,
>>> if this works, it will only work from a command prompt window.  Cygwin
>>> terminals (rxvt, xterm) won't work because they use ptys.
>> If sshd needs to have tty set that is a bug.  There should be no reason for
>> it and it actually could make sshd run slightly slower.
>Ugh, you're right.  This isn't the default.  I have it set in my environment
>for some reason.  Still, if 'tty' is set in the CYGWIN environment variable
>or the OP is sshing from rxvt/xterm, ptys could still be a problem.

Hmm.  I wonder what happens if you set CYGWIN=tty in an environment
which doesn't have an attached console.  I guess you're right.  That
could be a problem.


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