From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <45DEF6AA.5030609@domain.hid> Date: Fri, 23 Feb 2007 15:14:02 +0100 From: Steven Scholz MIME-Version: 1.0 Subject: Re: [Xenomai-core] latency hangs on AT91RM9200 References: <45DECFAF.60304@domain.hid> <45DEE913.9080809@domain.hid> <45DEF122.2060406@domain.hid> <45DEF605.2060402@domain.hid> In-Reply-To: <45DEF605.2060402@domain.hid> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit List-Id: "Xenomai life and development \(bug reports, patches, discussions\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Gilles Chanteperdrix Cc: Xenomai-core@domain.hid Gilles, >> Sure but I would still not expect the system to hang! >> As I said missing a deadline is bad but ok. >> But hanging the whole system is not quite ok. > > I want this bug solved too, especially since I am not sure that we will > only see it with too short periods. Makes us two! ;-) > I would add the call to printascii(printk_buff) directly in vprintk, and > use printk. Note however that special care must be taken to avoid > recursion when calling printk inside schedule, because printk may use > schedule. Anyway, I think the tracer will give better results than a > simple backtrace. Ok. Thanks. So what exactly shell I do? I have never worked with "the tracer". Steven