panic: trap type 4, code=0, pc=ffffffff82e9396e
Starting stack trace...
panic(ffffffff832f36b5) at panic+0x1ba sys/kern/subr_prf.c:229
kerntrap(ffff80003c9473d0) at kerntrap+0x28b sys/arch/amd64/amd64/trap.c:327
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
lf_advlock(ffff80000146e860,0,fffffd806c362a60,2,ffff80003c9475c0,40) at lf_advlock+0x2ee ls_ref sys/kern/vfs_lockf.c:138 [inline]
lf_advlock(ffff80000146e860,0,fffffd806c362a60,2,ffff80003c9475c0,40) at lf_advlock+0x2ee sys/kern/vfs_lockf.c:278
VOP_ADVLOCK(fffffd806784bdb0,fffffd806c362a60,2,ffff80003c9475c0,40) at VOP_ADVLOCK+0x87 sys/kern/vfs_vops.c:620
closef(fffffd806505f9e8,ffff800035d107e0) at closef+0x13c sys/kern/kern_descrip.c:-1
syscall(ffff80003c9476f0) at syscall+0x97e mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c9476f0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xd5386ac1db0, count: 249
End of stack trace.