From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <43F5F2E0.7050201@domain.hid> Date: Fri, 17 Feb 2006 16:59:28 +0100 From: Philippe Gerum MIME-Version: 1.0 Subject: Re: [Xenomai-help] no-brainer realtime issue References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit List-Id: Help regarding installation and common use of Xenomai List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Steven Seeger Cc: "xenomai@xenomai.org" Steven Seeger wrote: > Turning on the SMI disable stuff, rebuilding the kernel and modules, and > installing everything to my board did not solve the latency problem. My > numbers keep growing as the latency tester runs. > > Any other ideas? I've never had an rtai/xenomai/fusion/whatever system fail > basic realtime requirements like this before in the 4 years I've been using > this geode board. > Yous seem to be running in periodic timing mode, with a default slice of 125 us. Which parameters are passed to rt_task_set_periodic() and rt_task_wait_period() in your sampling task? > Steven > > > On 2/17/06 6:28 AM, "Philippe Gerum" wrote: > > >>Steven Seeger wrote: >> >>>Maybe I didn't set it up right? I followed the instructions in the >>>README.INSTALL file. Attached is my linux tree's .config. >>> >> >>Try enabling the SMI workaround (Xeno's "Machine" menu), just in case, since >>you >>are running a Geode box. >> >> >>>Steven >>> >>> >>> >>>>Until those numbers are sane, there is no point in trying anything else >>>>though. >>>> >>>>Ok, the testsuite clearly fails on your board, and something in the current >>>>setup >>>>prevents any real-time use. .config would help. >>>> >>> >>> > > -- Philippe.