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charset=UTF-8 Content-Transfer-Encoding: 7bit On 10/18/24 9:51 AM, Borislav Petkov wrote: > On Fri, Oct 18, 2024 at 07:30:15AM -0600, Jens Axboe wrote: >> At least on mine, the BIOS has an option that says something like "L3 >> cache as numa domain", which is on and why there's 32 nodes on that box. >> It's pretty handy for testing since there's a crap ton of CPUs, as it >> makes affinity handling easier. > > Right, so two boxes I tested with this: > > * 2 socket, a bit different microcode: > > [ 22.947525] smp: Brought up 32 nodes, 512 CPUs > > * your CPU, one socket: > > [ 26.830137] smp: Brought up 16 nodes, 255 CPUs > [ 37.770789] microcode: Current revision: 0x0aa00215 > [ 37.776231] microcode: Updated early from: 0x0aa00215 > > and both boot with my debugging patch just fine. > > Hmm. Funky... Not sure I'll have time to get a serial console on this thing before next week. Like I mentioned before -rc1, maybe we revert this change and I'll be happy to test patches as time permits? -- Jens Axboe