panic: trap type 4, code=0, pc=ffffffff81e3cc97
Starting stack trace...
panic(ffffffff82fe2705) at panic+0x1d0 sys/kern/subr_prf.c:229
kerntrap(ffff80003727c8a0) at kerntrap+0x29b sys/arch/amd64/amd64/trap.c:327
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
lf_advlock(ffff80000130f4e0,0,fffffd8067fc8d98,2,ffff80003727ca90,40) at lf_advlock+0x2f7 ls_ref sys/kern/vfs_lockf.c:138 [inline]
lf_advlock(ffff80000130f4e0,0,fffffd8067fc8d98,2,ffff80003727ca90,40) at lf_advlock+0x2f7 sys/kern/vfs_lockf.c:278
VOP_ADVLOCK(fffffd805f46e438,fffffd8067fc8d98,2,ffff80003727ca90,40) at VOP_ADVLOCK+0x87 sys/kern/vfs_vops.c:620
closef(fffffd8067f1d280,ffff8000fffea540) at closef+0x140
fdfree(ffff8000fffea540) at fdfree+0x116 sys/kern/kern_descrip.c:1190
exit1(ffff8000fffea540,b,0,1) at exit1+0x57f sys/kern/kern_exit.c:214
sys_exit(ffff8000fffea540,ffff80003727ccd0,ffff80003727cc20) at sys_exit+0x1a
syscall(ffff80003727ccd0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline]
syscall(ffff80003727ccd0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x725d03439c60, count: 246
End of stack trace.