panic: trap type 4, code=0, pc=ffffffff8288b714
Starting stack trace...
panic(ffffffff8336d19d) at panic+0x1ba sys/kern/subr_prf.c:229
kerntrap(ffff80002a83f3e0) at kerntrap+0x2fb
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
sys_semop(ffff80003c960558,ffff80002a83f650,ffff80002a83f5a0) at sys_semop+0x384 sys/kern/sysv_sem.c:604
syscall(ffff80002a83f650) at sysca
ll+0x962
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f0a2f45ef0, count: 251
End of stack trace.
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machine ddbcpu 0
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machine ddbcpu 1
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