> I used intel edac error injector and saw the same problem. I actually wrote > down the core numbers > and I saw mce got to 0-5 and 12-17, but not the others. I have 2 sockets, 24 > logical cores.
Mauro: How does the EDAC injector work on E5645 (Westmere-EP)? Does it create a real error in memory that the processor then accesses ... tripping a machine check? The mapping of Linux logical cpu numbers to physical socket/core/thread is somewhat as the mercy of the order that the BIOS lists things in its tables. But those numbers look very much like you just saw the machine check on one socket. Look at /proc/cpuinfo to be sure. If you run "grep ^physical /proc/cpuinfo" I think you'll see output like this (confirming that only socket 0 saw the machine check): physical id : 0 physical id : 0 physical id : 0 physical id : 0 physical id : 0 physical id : 0 physical id : 1 physical id : 1 physical id : 1 physical id : 1 physical id : 1 physical id : 1 physical id : 0 physical id : 0 physical id : 0 physical id : 0 physical id : 0 physical id : 0 physical id : 1 physical id : 1 physical id : 1 physical id : 1 physical id : 1 physical id : 1 -- 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/