Mans, On Fri, Jan 27, 2012 at 12:56:35PM +0000, Måns Rullgård wrote: > Will Deacon <will.deacon@xxxxxxx> writes: > > Did this lead anywhere in the end? It seems as though Ming Lei has a working > > setup but Stephane is unable to replicate it, despite applying the necessary > > patches and trying an updated bootloader. > > With the patches listed above plus the one in [1], I get PMU interrupts. > However, unless I restrict the profiled process to one CPU > (taskset 1 perf record ...), I get a panic in armpmu_event_update() with > the 'event' argument being null when called from armv7pmu_handle_irq(). > > [1] http://article.gmane.org/gmane.linux.ports.arm.omap/69696 Great, thanks for trying this out. Which version of the kernel were you using? I fixed a bunch of NULL pointer derefs. during the 3.2 window, but if you were using an -rc kernel you have have hit one of them. Will -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
