panic: trap type 4, code=0, pc=ffffffff82f0bb84
Starting stack trace...
panic(ffffffff8336ba9e) at panic+0x1ba sys/kern/subr_prf.c:229
kerntrap(ffff80003c96f800) at kerntrap+0x2fb
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
sys_semop(ffff80002a80d240,ffff80003c96fa70,ffff80003c96f9c0) at sys_semop+0x384 sys/kern/sysv_sem.c:604
syscall(ffff80003c96fa70) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c96fa70) at syscall+0x962 sys/arch/amd64/amd64/trap.c:746
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x334ae771e00, count: 251
End of stack trace.