On Wed, Apr 9, 2014 at 11:25 AM, Peter Zijlstra <pet...@infradead.org> wrote: > On Wed, Apr 09, 2014 at 10:43:32AM -0700, Lin Ming wrote: >> Hi Peter, >> >> I hit a panic in sys_sched_yield() because(for some unknown reason) >> current->sched_class->yield_task is NULL. >> It's an ARM embedded board with 3.4-rt kernel. >> >> Could you share any hint for the possible causes? > > What class does current->sched_class point to?
[12890.088232] Process swapper/0 (pid: 0, stack limit = 0xc07042f0) It's idle task. I think it should be idle_sched_class. But let me double check it. Thanks. -- 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/
