On Fri, Feb 23, 2018 at 07:18:34PM +0100, Thomas Gleixner wrote: > Borislav is seeing similar issues on larger AMD machines. The interrupt > seems to come from BIOS/microcode during bringup of secondary CPUs and we > have no idea why.
Paul, can you boot 4.14 and grep your dmesg for something like: [ 0.000000] spurious 8259A interrupt: IRQ7. ? Thx. -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.