Date: Tue, 07 Jan 2025 19:50:20 +0000 From: bugzilla-noreply@freebsd.org To: emulation@FreeBSD.org Subject: [Bug 219913] emulators/virtualbox-ose-kmod: if the MAXCPU option is not the default for the running kernel, then 'kldload vboxdrv.ko' will result in a kernel panic Message-ID: <bug-219913-4077-GHloAQQqzh@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-219913-4077@https.bugs.freebsd.org/bugzilla/> References: <bug-219913-4077@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=219913 --- Comment #25 from commit-hook@FreeBSD.org --- A commit in branch 2025Q1 references this bug: URL: https://cgit.FreeBSD.org/ports/commit/?id=448dfbb743fadbf19299be9b16251108a5e47474 commit 448dfbb743fadbf19299be9b16251108a5e47474 Author: Craig Leres <leres@freebsd.org> AuthorDate: 2025-01-07 16:10:57 +0000 Commit: Vladimir Druzenko <vvd@FreeBSD.org> CommitDate: 2025-01-07 19:40:38 +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 (cherry picked from commit 8d72823b38b779036014938cc250f859b27fb3f7) 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.help
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