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Re: tcsh hang while executing scripts which use pipes with backticks

From: Bryan Hogan <bryan dot h dot hogan at gmail dot com>
To: cygwin at cygwin dot com
Date: Thu, 13 Sep 2012 13:11:11 +0100
Subject: Re: tcsh hang while executing scripts which use pipes with backticks

Running 8 instances of the script from
http://cygwin.com/ml/cygwin/2012-07/msg00014.html I get the following
results using cygwin 1.7.16 and tcsh 6.18.01:

- OK on 32bit XP with 2 cpus

- Hangs on 64bit Win2008 with 4 cpus

- OK on 64bit Win2008r2 with a single cpu

- Hangs on 64bit Win2008r2 with 2 cpus

Those last two were the same server (a VMware VM) with the number of
cpus changed. Attempting to kill the hung processes crashed the server
:-(

There are no problems if tcsh 6.17.0 is used.

Bryan.

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