Here's a couple of fixes which seem to solve a problem where panics can hang forever rather than reboot after 10 seconds. The symptoms are that a CPU calls panic(), but later it is found in idle.
Nicholas Piggin (2): powerpc/powernv: Fix opal_event_shutdown() called with interrupts disabled powerpc/powernv: Fix NVRAM sleep in invalid context when crashing arch/powerpc/platforms/powernv/opal-irqchip.c | 2 +- arch/powerpc/platforms/powernv/opal-nvram.c | 14 ++++++++++++-- 2 files changed, 13 insertions(+), 3 deletions(-) -- 2.17.0