panic: trap type 4, code=0, pc=ffffffff8224526e
Starting stack trace...
panic(ffffffff8330ffb4) at panic+0x1ba sys/kern/subr_prf.c:229
kerntrap(ffff8000311f12f0) at kerntrap+0x2eb sys/arch/amd64/amd64/trap.c:486
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
sys_semop(ffff80002a8147d8,ffff8000311f15a0,ffff8000311f14f0) at sys_semop+0x3ae sys/kern/sysv_sem.c:620
syscall(ffff8000311f15a0) at syscall+0x97e mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff8000311f15a0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x15696f41470, count: 251
End of stack trace.