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/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=237329 --- Comment #2 from Trond.Endrestol@ximalas.info --- Here are additional details from kgdb: #9 __mtx_lock_sleep (c=0xfffff800103eb9a0, v=<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 until the 562 * owner stops running or the state of the lock changes. 563 */ 564 owner = 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 = (struct thread *) 0x0 (kgdb) print v $2 = <optimized out> (kgdb) up #10 0xffffffff80a3ae32 in mld_fasttimo_vnet (inmh=<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_PACKETS); 1411 } 1412 1413 IF_ADDR_WLOCK(ifp); 1414 NET_EPOCH_ENTER_ET(et); 1415 CK_STAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 1416 inm = in6m_ifmultiaddr_get_inm(ifma); 1417 if (inm == NULL) (kgdb) print ifp $3 = (struct ifnet *) 0xfffff800103eb800 (kgdb) print *ifp $4 = {if_link = {cstqe_next = 0x0}, if_clones = {le_next = 0x0, le_prev = 0xfffff8000b8be728}, if_groups = {cstqh_first = 0xfffff8002ef82b00, cstqh_last = 0xfffff80013e04308}, if_alloctype = 6 '\006', if_softc = 0xfffff8002e3a1200, if_llsoftc = 0x0, if_l2com = 0x0, if_dname = 0xffffffff80d94b78 "lagg", if_dunit = 0, if_index = 6, if_index_reserved = 0, if_xname = "lagg0\000\000\000\000\000\000\000\000\000\000", if_description = 0x0, if_flags = 34819, if_drv_flags = 64, if_capabilities = 262555, if_capenable = 411, if_linkmib = 0x0, if_linkmiblen = 0, if_refcount = 0, if_type = 6 '\006', if_addrlen = 6 '\006', if_hdrlen = 14 '\016', if_link_state = 2 '\002', if_mtu = 1500, if_metric = 0, if_baudrate = 4000000000, if_hwassist = 22, if_epoch = 11, if_lastchange = { tv_sec = 1552406977, tv_usec = 971493}, if_snd = {ifq_head = 0x0, ifq_tail = 0x0, ifq_len = 0, ifq_maxlen = 50, ifq_mtx = {lock_object = {lo_name = 0xfffff800103eb858 "lagg0", lo_flags = 16908288, lo_data = 0, lo_witness = 0x0}, mtx_lock = 4}, ifq_drv_head = 0x0, ifq_drv_tail = 0x0, ifq_drv_len = 0, ifq_drv_maxlen = 0, altq_type = 0, altq_flags = 0, altq_disc = 0x0, altq_ifp = 0xfffff800103eb800, altq_enqueue = 0x0, altq_dequeue = 0x0, altq_request = 0x0, altq_clfier = 0x0, altq_classify = 0x0, altq_tbr = 0x0, altq_cdnr = 0x0}, if_linktask = {ta_link = {stqe_next = 0x0}, ta_pending = 0, ta_priority = 0, ta_func = 0xffffffff80912410 <do_link_state_change>, ta_context = 0xfffff800103eb800}, if_addr_lock = {lock_object = {lo_name = 0xffffffff80c2b74c "if_addr_lock", lo_flags = 16908288, lo_data = 0, lo_witness = 0x0}, mtx_lock = 4}, if_addrhead = {cstqh_first = 0xfffff8002ebce700, cstqh_last = 0xfffff800130d3e28}, if_multiaddrs = {cstqh_first = 0xfffff8000ab24100, cstqh_last = 0xfffff800430d7100}, if_amcount = 0, if_addr = 0xfffff8002ebce700, if_hw_addr = 0xfffff8002eefa500, if_broadcastaddr = 0xffffffff80d945c0 <etherbroadcastaddr> "\377\377\377\377\377\377", if_afdata_lock = {lock_object = {lo_name = 0xffffffff80c73b50 "if_afdata", lo_flags = 16908288, lo_data = 0, lo_witness = 0x0}, mtx_lock = 4}, if_afdata = {0x0, 0x0, 0xfffff8002ec26d00, 0x0 <repeats 25 times>, 0xfffff8002eefab00, 0x0 <repeats 13 times>}, if_afdata_initialized = 2, if_fib = 0, if_vnet = 0xfffff80002472900, if_home_vnet = 0xfffff80002472900, if_vlantrunk = 0x0, if_bpf = 0xfffff8002ec62700, if_pcount = 0, if_bridge = 0x0, if_lagg = 0x0, if_pf_kif = 0x0, if_carp = 0x0, if_label = 0x0, if_netmap = 0x0, if_output = 0xffffffff8091d7b0 <ether_output>, if_input = 0xffffffff8091e4f0 <ether_input>, if_bridge_input = 0x0, if_bridge_output = 0x0, if_bridge_linkstate = 0x0, if_start = 0x0, if_ioctl = 0xffffffff80921a30 <lagg_ioctl>, if_init = 0xffffffff809218b0 <lagg_init>, if_resolvemulti = 0xffffffff8091e560 <ether_resolvemulti>, if_qflush = 0xffffffff809218a0 <lagg_qflush>, if_transmit = 0xffffffff809216e0 <lagg_transmit>, if_reassign = 0xffffffff8091e750 <ether_reassign>, if_get_counter = 0xffffffff80923980 <lagg_get_counter>, if_requestencap = 0xffffffff8091e680 <ether_requestencap>, if_counters = {0xfffffe0000481b50, 0xfffffe0000481b40, 0xfffffe0000481b30, 0xfffffe0000481b20, 0xfffffe0000481b10, 0xfffffe0000481b00, 0xfffffe0000481af0, 0xfffffe0000481ae0, 0xfffffe0000481ad0, 0xfffffe0000481ac0, 0xfffffe0000481ab0, 0xfffffe0000481aa0}, if_hw_tsomax = 65518, if_hw_tsomaxsegcount = 35, if_hw_tsomaxsegsize = 2048, if_snd_tag_alloc = 0x0, if_snd_tag_modify = 0x0, if_snd_tag_query = 0x0, if_snd_tag_free = 0x0, if_pcp = 255 '\377', if_netdump_methods = 0x0, if_epoch_ctx = {data = { 0xffffffff80912910 <if_destroy>, 0x0}}, if_addr_et = {datap = {0x0, 0x0, 0x0}, datai = {0}}, if_maddr_et = {datap = {0x0, 0x0, 0x0}, datai = {0}}, if_ispare = {0, 0, 0, 0}} -- You are receiving this mail because: You are the assignee for the bug.home | help
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