* Rafael J. Wysocki <rjw@xxxxxxx> wrote: > So, it looks like RCU is broken and I have no idea how to debug it > further. > > Please advise. i think RCU is not broken, RCU just happens to be the first entity affected by C1E-enter magically killing the (previously working) lapic timer clockevents device. We are working on a fix. Ingo -- To unsubscribe from this list: send the line "unsubscribe kernel-testers" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html