On Sun, 3 May 2020 00:33:16 +1000, Michael Ellerman wrote: > Hugh reported that his trusty G5 crashed after a few hours under load > with an "Unrecoverable exception 380". > > The crash is in interrupt_return() where we check lazy_irq_pending(), > which calls get_paca() and with CONFIG_DEBUG_PREEMPT=y that goes to > check_preemption_disabled() via debug_smp_processor_id(). > > [...]
Applied to powerpc/fixes. [1/1] powerpc/64s: Fix unrecoverable SLB crashes due to preemption check https://git.kernel.org/powerpc/c/0094368e3bb97a710ce163f9c06d290c1c308621 cheers