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charset=utf-8 Content-Transfer-Encoding: quoted-printable I have another one: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe008= dfd0490 assert_vop_locked() at assert_vop_locked+0x49/frame 0xfffffe008dfd04b0 VOP_PATHCONF_APV() at VOP_PATHCONF_APV+0x42/frame 0xfffffe008dfd04e0 nfsv4_fillattr() at nfsv4_fillattr+0xfa8/frame 0xfffffe008dfd0670 nfsvno_fillattr() at nfsvno_fillattr+0xdd/frame 0xfffffe008dfd0710 nfsrvd_getattr() at nfsrvd_getattr+0x3c6/frame 0xfffffe008dfd09a0 nfsrvd_dorpc() at nfsrvd_dorpc+0x167e/frame 0xfffffe008dfd0bb0 nfssvc_program() at nfssvc_program+0x852/frame 0xfffffe008dfd0db0 svc_run_internal() at svc_run_internal+0xaa8/frame 0xfffffe008dfd0ee0 svc_thread_start() at svc_thread_start+0xb/frame 0xfffffe008dfd0ef0 fork_exit() at fork_exit+0x82/frame 0xfffffe008dfd0f30 fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe008dfd0f30 --- trap 0xc, rip =3D 0x2a07bda3b4ea, rsp =3D 0x2a07bc818ed8, rbp =3D 0= x2a07bc819170 --- vnode 0xfffff8007dfdac08: type VDIR state VSTATE_CONSTRUCTED op 0xfffff= fff822fc120 usecount 3, writecount 0, refcount 1 seqc users 0 mountedhere 0 hold count flags () flags (VV_ROOT) lock type tmpfs: UNLOCKED tag VT_TMPFS, tmpfs_node 0xfffff800ada100f0, flags 0x0, links 2 mode 0755, owner 0, group 0, size 0, status 0x0 =20=20=20=20 VOP_PATHCONF Entry (vp): 0xfffff8007dfdac08 is not locked but should be This can be reliably triggered by running the nfsv4 test case from review D51371. Note that you will need to apply D51372 first to allow the client jail to mount NFS file systems. DES --=20 Dag-Erling Sm=C3=B8rgrav - des@FreeBSD.org