panic: trap type 4, code=0, pc=ffffffff8202da4b
Starting stack trace...
panic(ffffffff82faf2d3) at panic+0x1ba sys/kern/subr_prf.c:229
kerntrap(ffff800035c2ba10) at kerntrap+0x28b sys/arch/amd64/amd64/trap.c:327
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
sys_semop(ffff80002a47a548,ffff800035c2bcc0,ffff800035c2bc10) at sys_semop+0x45b sys/kern/sysv_sem.c:615
syscall(ffff800035c2bcc0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xe14291df400, count: 251
End of stack trace.