https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=219913
--- Comment #22 from commit-h...@freebsd.org --- A commit in branch main references this bug: URL: https://cgit.FreeBSD.org/ports/commit/?id=8d72823b38b779036014938cc250f859b27fb3f7 commit 8d72823b38b779036014938cc250f859b27fb3f7 Author: Craig Leres <le...@freebsd.org> AuthorDate: 2025-01-07 16:10:57 +0000 Commit: Vladimir Druzenko <v...@freebsd.org> CommitDate: 2025-01-07 16:10:57 +0000 emulators/virtualbox-ose-kmod: Add check for MAXCPU and mp_maxcpus before load vboxdrv.ko If the MAXCPU option is not the default for the running kernel, then 'kldload vboxdrv.ko' will result in a kernel panic. Due to ABI difference (vboxdrv passes cpuset_t parameter (bitfield with CPU_SETSIZE -> MAXCPU bits) into smp_rendezvous_cpus()) kernel panics with "ncpus is 0 with non-zero map" message. PR: 219913 emulators/virtualbox-ose-kmod/Makefile | 1 + ...ox_HostDrivers_Support_freebsd_SUPDrv-freebsd.c | 37 +++++++++++++++------- 2 files changed, 27 insertions(+), 11 deletions(-) -- You are receiving this mail because: You are on the CC list for the bug.