From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <4CADC47B.1090704@domain.hid>
Date: Thu, 07 Oct 2010 15:00:43 +0200
From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
MIME-Version: 1.0
References: <20101007115728.GA24500@domain.hid>
	<4CADB8EE.5090007@domain.hid>
In-Reply-To: <4CADB8EE.5090007@domain.hid>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 7bit
Subject: Re: [Xenomai-help] kernel oopses when killing realtime task
List-Id: Help regarding installation and common use of Xenomai
	<xenomai.xenomai.org>
List-Unsubscribe: <https://mail.gna.org/listinfo/xenomai-help>,
	<mailto:xenomai-help-request@domain.hid>
List-Archive: </public/xenomai-help>
List-Post: <mailto:xenomai@xenomai.org>
List-Help: <mailto:xenomai-help-request@domain.hid>
List-Subscribe: <https://mail.gna.org/listinfo/xenomai-help>,
	<mailto:xenomai-help-request@domain.hid>
To: Pavel Machek <pma@domain.hid>
Cc: xenomai@xenomai.org

Gilles Chanteperdrix wrote:
> Pavel Machek wrote:
>> Hi!
>>
>> I have... quite an interesting setup here.
>>
>> SMP machine, with special PCI card; that card has GPIOs and serial
>> ports. Unfortunately, there's only one interrupt, shared between
>> serials and GPIO pins, and serials are way too complex to be handled
>> by realtime layer.
> 
> If the configuration is fixed, you may handle the shared interrupt in
> the way described here, and you should not have the loss of real-time
> guarantees:
> https://mail.gna.org/public/xenomai-core/2008-07/msg00025.html

That code is a bit sketchy, and probably does not even work correctly on
SMP...

-- 
					    Gilles.