On 01/18/18 at 11:04am, Dave Young wrote: > On 01/17/18 at 07:00pm, Linus Torvalds wrote: > > On Wed, Jan 17, 2018 at 6:57 PM, Dave Young <dyoung@xxxxxxxxxx> wrote: > > > > > > Could you say more about how to check this? My .config disabled > > > CONFIG_X86_MCE, should this be enabled? > > > > By all means, try it. > > > > Some pending machine check exception that we have *not* reacted to, > > and that is pending around kexec boot could very possibly be relevant. > > > > I forget your exact symptoms. Was it that the _first_ kexec works, but > > the second one hangs? Or was that the other unrelated issue? Or have I > > confused this with some other report entirely? > > Yes, 1st kexec works, 2nd hangs. > > Rebuilding with MCE enabled now. dmesg only shows "mce: CPU supports 7 MCE banks" Nothing special happens with MCE enabled , anyway thank all for the hints, I will continue to think about this and maybe try more experiments. > > Thanks > Dave > > > > Linus _______________________________________________ kexec mailing list kexec@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/kexec
