YFYI BIOS upgrade to version 1305 (+ BMC upgrade) fixed the issue. All cores are detected
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2042888 Title: It shows 'smpboot: do_boot_cpu failed(-1) to wakeup CPU#96' in system dmesg log with kernel version 6.2.0-060200-generic. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-hwe/+bug/2042888/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
