On Fri, 2009-02-06 at 11:34 +0100, Matthias Luescher wrote: > Hi > > I finally found out which patch does not work well with my configuration: > > 2.6.24.7-rt12 seems to be ok, with 2.6.24.7-rt13 the command cyclictest -p99 -t10 -n -i250 crashes the kernel. > > 2.6.24.7-rt13 has the follwing new patches: > ftrace-hotplug-fix.patch > ftrace-wakeup-rawspinlock.patch > radix-tree-lockdep-plus1.patch > sched-cpupri-hotplug-support.patch > sched-cpupri-priocount.patch > > No I went again to 2.6.24.7-rt26 but removed some patches: > 2.6.24.7-rt26 with all patches -> CRASH > 2.6.24.7-rt26 without sched-cpupri-hotplug-support.patch and without sched-cpupri-priocount.patch ->OK > 2.6.24.7-rt26 without sched-cpupri-hotplug-support.patch ->CRASH sched-cpupri-priocount.patch is buggy +#define CPUPRI_NR_PRI_WORDS (CPUPRI_NR_PRIORITIES + BITS_PER_LONG/2)/BITS_PER_LONG Should read: #define CPUPRI_NR_PRI_WORDS BITS_TO_LONG(CPUPRI_NR_PRIORITIES) Can't remember much about that other patch, although I was involved back then. Does -tip work OK? Most of that cpupri stuff went upstream iirc. -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html