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From: "Daniel Merrill" <daniel.merrill@psware.com>
To: 'Philippe Gerum' <rpm@xenomai.org>, xenomai@xenomai.org
Subject: Re: [Xenomai] t_suspend and XNBREAK
Date: Wed, 9 Oct 2013 09:37:09 -0700 (MST)	[thread overview]
Message-ID: <8fed609f.0000172c.00000017@dmerrill_win764.PERF.PERFORMANCESOFTWARE> (raw)
In-Reply-To: <52558563.2010408@xenomai.org>

On 10/09/2013 06:29 PM, Daniel Merrill wrote:
> All,
>
>
>
> I'm hoping maybe someone can shed a little more light on the issue we 
> see occasionally. Occasionally our code using the psos+ skin will fail 
> a
> t_suspend(0) with error code -4, which I found to be EINTR and appears 
> to be set if the XNBREAK flag is set. After digging around in the 
> documentation I found some references that seem to indicate that this 
> means the thread was forcibly unblocked for some reason. Is there some 
> way to diagnose what caused this (I'm having trouble pinpointing 
> anything)? It appears when debugging that the thread never really 
> suspends at all but returns immediately from the call. Does anyone 
> have some pointers on what might be a good place to start looking for
the culprit? Thanks in advance.

Are you tracing the application with GDB?

We are using GDB to diagnose problems, can this cause the issue?
>
>
>
>
>
> Dan Merrill
>
> _______________________________________________
> Xenomai mailing list
> Xenomai@xenomai.org
> http://www.xenomai.org/mailman/listinfo/xenomai
>


--
Philippe.


  reply	other threads:[~2013-10-09 16:37 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-10-09 16:29 [Xenomai] t_suspend and XNBREAK Daniel Merrill
2013-10-09 16:33 ` Philippe Gerum
2013-10-09 16:37   ` Daniel Merrill [this message]
2013-10-09 16:43     ` Philippe Gerum
2013-10-09 17:01       ` Daniel Merrill
2013-10-16 18:30         ` Daniel Merrill
2013-10-21 18:21           ` Daniel Merrill
2013-10-22 13:46             ` Philippe Gerum
2013-10-22 14:49               ` Gilles Chanteperdrix
2013-10-22 16:53                 ` Philippe Gerum
2013-10-22 22:10                   ` Daniel Merrill
2013-10-23 17:31                     ` Philippe Gerum
2013-10-23 23:11                       ` Daniel Merrill
2013-10-24 10:03                         ` Philippe Gerum
2013-10-24 15:52                           ` Daniel Merrill
2013-10-24 18:24                           ` Daniel Merrill
2013-10-22 16:50               ` Daniel Merrill
2014-05-20 12:52           ` Philippe Gerum

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