panic: trap type 4, code=0, pc=ffffffff828c15b9 Starting stack trace... panic(ffffffff82fe9559) at panic+0x1d0 sys/kern/subr_prf.c:229 kerntrap(ffff80002d76de10) at kerntrap+0x29b sys/arch/amd64/amd64/trap.c:327 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b sys_semop(ffff80003724ea68,ffff80002d76e0c0,ffff80002d76e010) at sys_semop+0x3f9 sys/kern/sysv_sem.c:602 syscall(ffff80002d76e0c0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80002d76e0c0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x32e0ccd5650, count: 251 End of stack trace.