From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <4A89DFD3.4080600@domain.hid> Date: Tue, 18 Aug 2009 00:55:15 +0200 From: Gilles Chanteperdrix MIME-Version: 1.0 References: <4A6EECF1.9000103@domain.hid> <4A895169.1030905@domain.hid> In-Reply-To: <4A895169.1030905@domain.hid> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Subject: Re: [Xenomai-help] Pagefaults during mlocked Realtime task List-Id: Help regarding installation and common use of Xenomai List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Henri Roosen Cc: xenomai@xenomai.org Gilles Chanteperdrix wrote: > Henri Roosen wrote: >> We have not much progress tracing the problem so far. But in parallel >> to the tracing we also updated a kernel to the latest xenomai git >> status of the 2.4.8 branch, just to see whether we are not facing >> problems that are solved already. >> >> This version however crashes and dumps its call-stack directly when >> starting the latency test application. Interesting is that it crashes >> at a check that is added recently in xnshadow_harden: >> XENO_BUGON(NUCLEUS, !irqs_disable_hw()); >> >> Please find attached the .config > > Ok. I will propose a better fix later, but could you check the following > quick fix? > > > diff --git a/ksrc/arch/arm/Kconfig b/ksrc/arch/arm/Kconfig > index c79fe66..b62a14d 100644 > --- a/ksrc/arch/arm/Kconfig > +++ b/ksrc/arch/arm/Kconfig > @@ -10,7 +10,7 @@ depends on XENO_OPT_NUCLEUS > > config IPIPE_WANT_PREEMPTIBLE_SWITCH > bool > - default y > + default n > > config XENO_HW_FPU > bool "Enable FPU support" > Ok. The bug should now be fixed in the repository. But it requires a new I-pipe patch which should be available tomorrow. -- Gilles.