Date: Wed, 17 Apr 2019 10:43:07 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 237329] Panic in __mtx_lock_sleep() during reboot or shutdown Message-ID: <bug-237329-227-KPtNnwyvUd@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-237329-227@https.bugs.freebsd.org/bugzilla/> References: <bug-237329-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D237329 --- Comment #2 from Trond.Endrestol@ximalas.info --- Here are additional details from kgdb: #9 __mtx_lock_sleep (c=3D0xfffff800103eb9a0, v=3D<optimized out>) at /usr/src/sys/kern/kern_mutex.c:565 565 if (TD_IS_RUNNING(owner)) { (kgdb) list 560 /* 561 * If the owner is running on another CPU, spin unt= il the 562 * owner stops running or the state of the lock changes. 563 */ 564 owner =3D lv_mtx_owner(v); 565 if (TD_IS_RUNNING(owner)) { 566 if (LOCK_LOG_TEST(&m->lock_object, 0)) 567 CTR3(KTR_LOCK, 568 "%s: spinning on %p held by %p", 569 __func__, m, owner); (kgdb) print owner $1 =3D (struct thread *) 0x0 (kgdb) print v $2 =3D <optimized out> (kgdb) up #10 0xffffffff80a3ae32 in mld_fasttimo_vnet (inmh=3D<optimized out>) at /usr/src/sys/netinet6/mld6.c:1413 1413 IF_ADDR_WLOCK(ifp); (kgdb) list 1408 PR_FASTHZ); 1409 mbufq_init(&qrq, MLD_MAX_G_GS_PACKETS); 1410 mbufq_init(&scq, MLD_MAX_STATE_CHANGE_PACKE= TS); 1411 } 1412 1413 IF_ADDR_WLOCK(ifp); 1414 NET_EPOCH_ENTER_ET(et); 1415 CK_STAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_l= ink) { 1416 inm =3D in6m_ifmultiaddr_get_inm(ifma); 1417 if (inm =3D=3D NULL) (kgdb) print ifp $3 =3D (struct ifnet *) 0xfffff800103eb800 (kgdb) print *ifp $4 =3D {if_link =3D {cstqe_next =3D 0x0}, if_clones =3D {le_next =3D 0x0, l= e_prev =3D 0xfffff8000b8be728}, if_groups =3D {cstqh_first =3D 0xfffff8002ef82b00, cst= qh_last =3D 0xfffff80013e04308}, if_alloctype =3D 6 '\006', if_softc =3D 0xfffff800= 2e3a1200, if_llsoftc =3D 0x0, if_l2com =3D 0x0, if_dname =3D 0xffffffff80d94b78 "lagg", if_dunit =3D 0, if_index =3D 6, if_index_reserved =3D 0, if_xname =3D "lagg0\000\000\000\000\000\000\000\000\000\000", if_description =3D 0x0, if= _flags =3D 34819, if_drv_flags =3D 64, if_capabilities =3D 262555, if_capenable = =3D 411, if_linkmib =3D 0x0, if_linkmiblen =3D 0, if_refcount =3D 0, if_type =3D 6= '\006', if_addrlen =3D 6 '\006', if_hdrlen =3D 14 '\016', if_link_state =3D 2 '\002= ', if_mtu =3D 1500, if_metric =3D 0, if_baudrate =3D 4000000000, if_hwassist =3D 22, = if_epoch =3D 11, if_lastchange =3D { tv_sec =3D 1552406977, tv_usec =3D 971493}, if_snd =3D {ifq_head =3D 0x= 0, ifq_tail =3D 0x0, ifq_len =3D 0, ifq_maxlen =3D 50, ifq_mtx =3D {lock_object =3D {lo= _name =3D 0xfffff800103eb858 "lagg0", lo_flags =3D 16908288, lo_data =3D 0, lo_witnes= s =3D 0x0}, mtx_lock =3D 4}, ifq_drv_head =3D 0x0, ifq_drv_tail =3D 0x0, ifq_drv_len =3D 0, ifq_drv_maxlen =3D 0, altq_typ= e =3D 0, altq_flags =3D 0, altq_disc =3D 0x0, altq_ifp =3D 0xfffff800103eb800, altq_= enqueue =3D 0x0, altq_dequeue =3D 0x0, altq_request =3D 0x0, altq_clfier =3D 0x0, altq_= classify =3D 0x0, altq_tbr =3D 0x0, altq_cdnr =3D 0x0}, if_linktask =3D {ta_link =3D {stqe_next =3D 0x0}, t= a_pending =3D 0, ta_priority =3D 0, ta_func =3D 0xffffffff80912410 <do_link_state_change>, ta_context =3D 0xfffff800103eb800}, if_addr_lock =3D {lock_object =3D {lo_n= ame =3D 0xffffffff80c2b74c "if_addr_lock", lo_flags =3D 16908288, lo_data =3D 0, lo_witness =3D 0x0}, mtx_lock = =3D 4}, if_addrhead =3D {cstqh_first =3D 0xfffff8002ebce700, cstqh_last =3D 0xfffff800130d3e28}, if_multiaddrs =3D {cstqh_first =3D 0xfffff8000ab24100, cstqh_last =3D 0xfffff800430d7100}, if_amcount =3D 0, if_addr =3D 0xfffff8002ebce700, if_hw_addr =3D 0xfffff8002eefa500, if_broadcastaddr =3D 0xffffffff80d945c0 <etherbroadcastaddr> "\377\377\377\377\377\377", if_afdata_lock =3D {lock_object =3D {lo_name =3D 0xffffffff80c73b50 "if_afdata", lo_flags =3D 16908288, lo_data =3D 0, lo_witness =3D 0x0}, mtx_lock =3D 4}, if_afdata =3D {0x0, 0x0, 0xfffff8002ec26d00, 0x0 <repeats 25 times>, 0xfffff8002eefab00, 0x0 <repeat= s 13 times>}, if_afdata_initialized =3D 2, if_fib =3D 0, if_vnet =3D 0xfffff8000= 2472900, if_home_vnet =3D 0xfffff80002472900, if_vlantrunk =3D 0x0, if_bpf =3D 0xfffff8002ec62700, if_pcount =3D 0, if_= bridge =3D 0x0, if_lagg =3D 0x0, if_pf_kif =3D 0x0, if_carp =3D 0x0, if_label =3D 0x0,= if_netmap =3D 0x0, if_output =3D 0xffffffff8091d7b0 <ether_output>, if_input =3D 0xffffffff8091e4f0 <ether_input>, if_bridge_input =3D 0x0, if_bridge_output =3D 0x0, if_bridge_linkstate = =3D 0x0, if_start =3D 0x0, if_ioctl =3D 0xffffffff80921a30 <lagg_ioctl>, if_init =3D 0xffffffff809218b0 <lagg_init>, if_resolvemulti =3D 0xffffffff8091e560 <ether_resolvemulti>, if_qflush =3D 0xffffffff809218a0 <lagg_qflush>, if_transmit =3D 0xffffffff809216e0 <lagg_transmit>, if_reassign =3D 0xffffffff8091e750 <ether_reassign>, if_get_counter =3D 0xffffffff80923980 <lagg_get_counter>, if_requestencap =3D 0xffffffff8091e680 <ether_requestencap>, if_counters =3D {0xfffffe0000481b50, 0xfffffe0000481b40, 0xfffffe0000481b= 30, 0xfffffe0000481b20, 0xfffffe0000481b10, 0xfffffe0000481b00, 0xfffffe0000481= af0, 0xfffffe0000481ae0, 0xfffffe0000481ad0, 0xfffffe0000481ac0, 0xfffffe0000481= ab0, 0xfffffe0000481aa0}, if_hw_tsomax =3D 65518, if_hw_tsomaxsegcount =3D 35, if_hw_tsomaxsegsize = =3D 2048, if_snd_tag_alloc =3D 0x0, if_snd_tag_modify =3D 0x0, if_snd_tag_query =3D 0= x0, if_snd_tag_free =3D 0x0, if_pcp =3D 255 '\377', if_netdump_methods =3D 0x0, if_epoch_ctx =3D {data =3D { 0xffffffff80912910 <if_destroy>, 0x0}}, if_addr_et =3D {datap =3D {0x= 0, 0x0, 0x0}, datai =3D {0}}, if_maddr_et =3D {datap =3D {0x0, 0x0, 0x0}, datai =3D= {0}}, if_ispare =3D {0, 0, 0, 0}} --=20 You are receiving this mail because: You are the assignee for the bug.=
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