Re: [Xenomai-help] Pagefaults during mlocked Realtime task

[Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>]

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"

-- 
                                          Gilles