Comment 38 for bug 2012763

after fixing libvirtd able to launch the instance but getting following error
[ 3.694170] smpboot: native_kick_ap: bad cpu 477
[ 3.698119] smpboot: native_kick_ap: bad cpu 478
[ 3.702113] smpboot: native_kick_ap: bad cpu 479
[ 3.706216] smpboot: native_kick_ap: bad cpu 480
[ 3.710113] smpboot: native_kick_ap: bad cpu 481
[ 3.714111] smpboot: native_kick_ap: bad cpu 482
[ 3.718173] smpboot: native_kick_ap: bad cpu 483
[ 3.722113] smpboot: native_kick_ap: bad cpu 484
[ 3.726108] smpboot: native_kick_ap: bad cpu 485
[ 3.730225] smpboot: native_kick_ap: bad cpu 486
[ 3.734115] smpboot: native_kick_ap: bad cpu 487
[ 3.738110] smpboot: native_kick_ap: bad cpu 488
[ 3.742136] smpboot: native_kick_ap: bad cpu 489
[ 3.749814] smpboot: native_kick_ap: bad cpu 490
[ 3.754200] smpboot: native_kick_ap: bad cpu 491
[ 3.758115] smpboot: native_kick_ap: bad cpu 492
[ 3.762117] smpboot: native_kick_ap: bad cpu 493
[ 3.766202] smpboot: native_kick_ap: bad cpu 494
[ 3.770116] smpboot: native_kick_ap: bad cpu 495
[ 3.774108] smpboot: native_kick_ap: bad cpu 496
[ 3.778179] smpboot: native_kick_ap: bad cpu 497
[ 3.782117] smpboot: native_kick_ap: bad cpu 498
[ 3.786113] smpboot: native_kick_ap: bad cpu 499

also mpstat dint show any cpu after 255
root@test500:~# mpstat -P 255
Linux 6.5.7-vdx (test500) 11/03/2023 _x86_64_ (500 CPU)

01:05:56 AM CPU %usr %nice %sys %iowait %irq %soft %steal %guest %gnice %idle
01:05:56 AM 255 0.00 0.00 0.03 0.01 0.00 0.00 1.04 0.00 0.00 98.92
root@test500:~# mpstat -P 256
Linux 6.5.7-vdx (test500) 11/03/2023 _x86_64_ (500 CPU)

01:05:59 AM CPU %usr %nice %sys %iowait %irq %soft %steal %guest %gnice %idle
root@test500:~# mpstat -P 257
Linux 6.5.7-vdx (test500) 11/03/2023 _x86_64_ (500 CPU)

01:06:01 AM CPU %usr %nice %sys %iowait %irq %soft %steal %guest %gnice %idle
root@test500:~#