On Fri, 20 Mar 2015, David Ahern wrote: > Here's another data point: If I disable NUMA I don't see the problem. > Performance drops, but no NULL pointer splats which would have been panics. > > The 128 cpu ldom with NUMA enabled shows the problem every single time I do a > kernel compile (-j 128). With NUMA disabled I have done 3 allyesconfig > compiles without hitting the problem. I'll put the compiles into a loop while > I head out for dinner. >
It might be helpful to enable CONFIG_DEBUG_SLAB if you're reproducing it. -- 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/
