On Mon, Jan 23, 2017 at 09:35:53PM +0800, Xunlei Pang wrote: > One possible timing sequence would be: > 1st kernel running on multiple cpus panicked > then the crash dump code starts > the crash dump code stops the others cpus except the crashing one > 2nd kernel boots up on the crash cpu with "nr_cpus=1" > some broadcasted mce comes on some cpu amongst the other cpus(not the > crashing cpu)
Where does this broadcasted MCE come from? The crash dump code triggered it? Or it happened before the panic()? Are you talking about an *actual* sequence which you're experiencing on real hw or is this something hypothetical? -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.