From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <45DEF0FE.4010506@domain.hid> Date: Fri, 23 Feb 2007 14:49:50 +0100 From: Steven Scholz MIME-Version: 1.0 Subject: Re: [Xenomai-core] latency hangs on AT91RM9200 References: <45DECFAF.60304@domain.hid> In-Reply-To: <45DECFAF.60304@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: Steven Scholz Cc: Xenomai-core@domain.hid Steven Scholz wrote: > Hi, > > i pick up this issue again. > > I am running 2.6.19 + adeos-ipipe-2.6.19-arm-1.6-02.patch + xenomai-svn-2007-02-22 > on an AT91RM9200 (160MHz/80MHz). > > When starting "latency -p 200" it runs for a while printing > > RTT| 00:05:37 (periodic user-mode task, 200 us period, priority 99) > RTH|-----lat min|-----lat avg|-----lat max|-overrun|----lat best|---lat worst > RTD| 11.200| 139.200| 236.800| 1| 10.800| 280.800 > RTD| 11.200| 146.400| 253.200| 1| 10.800| 280.800 > RTD| 11.200| 144.400| 240.400| 1| 10.800| 280.800 > > but then hangs. The timer LED stops blinking. No "soft lockup detected" appears. Easy to reproduce with ~ # cat /dev/zero > /dev/null & ~ # latency -p 200 -- Steven