Re: [2.6.17-rc5-mm2] crash when doing second suspend: BUG in arch/i386/kernel/nmi.c:174

Andrew Morton wrote:

All the above applies to suspend-to-disk.  I don't know if suspend-to-RAM
shuts down the APs.

I'm using suspend-to-mem and it looks like its unplugging/replugging all the CPUs.

The part of the question I don't quite understand is why this is considered per-CPU state? Surely NMI-watchdog is a system-wide thing? Or does this also tie into other uses of the performance registers which may be set per-CPU?

   J
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