Hi Don, > > commit 9919e39a1738 ("kvm: ensure hard lockup detection is disabled > > by default") provided a way for the kernel to disable the hard > > lockup detector at runtime. > > > > I'm using it on ppc64 but notice some weird behaviour with the > > nmi_watchdog procfs variable. At boot, that the hard lockup > > detector appears to be enabled even when we disable it via > > watchdog_enable_hardlockup_detector(false): > > > > # cat /proc/sys/kernel/nmi_watchdog > > 1 > > > > I have to echo 0 to it then echo 1 again to enable it. > > I believe Andrew answered the question for you, it's a WIP and we have > patches to clean that up.
Thanks, yes good to see it being worked on. > I don't see ppc64 watchdog support in arch/powerpc, is that something > you are working with on implementing? I've submitted it over on linuxppc-dev: http://patchwork.ozlabs.org/patch/406802/ Anton -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/