From mboxrd@z Thu Jan  1 00:00:00 1970
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Date: Thu, 26 Oct 2006 14:49:27 -0500
From: Jeff Webb <jeff.webb@domain.hid>
MIME-Version: 1.0
Subject: Re: [Xenomai-help] switchtest and Xenomai 2.2.4
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To: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
Cc: Xenomai help <xenomai@xenomai.org>

Gilles Chanteperdrix wrote:
> In the file ksrc/drivers/testing/switchtest.c, try commenting the calls
> to try_module_get and module_put. You will need to recompile kernel
> space support. I am afraid the module counter is decreased several times 
> when close is called several times, so we basically screw it up.
> 
> The attached patch also closes the file descriptors only once the 
> threads are joined.

It looks like this did the trick.  After commenting out the try_module_get/module_put calls and applying your latest patch to switchtest.c, switchtest appears to be working properly once again.

Thanks,

Jeff