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Cisco Bug: CSCun51298 - mrib6 crash @ mrib_platform_unjoin_non_loopback on standby

Last Modified

Sep 20, 2018

Products (1)

  • Cisco Carrier Routing System

Known Affected Releases

5.2.2.BASE

Description (partial)

Symptom:
NA

Conditions:
Decode for mrib6 crash:
---------------------------

(gdb) bt
#0  0x4de937e0 in mrib_platform_unjoin_non_loopback (is_join=0, is_primary=<value optimized out>, entry_handle=0x50840828, entry_annotation=<value optimized out>, fapids=0x5086a208, count=1, is_changed=0x9bffe540, is_unsol=<value optimized out>, is_legacy_fwd=0, tos=0) at platforms/hfr/features/ipv4/multicast/mrib/src/hfr_ipv4_mrib.c:1004
#1  mrib_platform_mpls_data_mdf (is_join=0, is_primary=<value optimized out>, entry_handle=0x50840828, entry_annotation=<value optimized out>, fapids=0x5086a208, count=1, is_changed=0x9bffe540, is_unsol=<value optimized out>, is_legacy_fwd=0, tos=0) at platforms/hfr/features/ipv4/multicast/mrib/src/hfr_ipv4_mrib.c:1260
#2  0x400b4fe4 in mrib_encap_db_route_unlink (route=0x50840828, new_encap=0) at ipv4/multicast/mrib/src/mrib_encap_db.c:2401
#3  0x400b8e98 in mrib_encap_db_process_route (route=0x50840828, key=0x0, keylen=0, encap_changed=<value optimized out>, v4_vrflite=0, ti_mofrr_encap=0, reprogram_encapid_on_route=1, num_oles=0, label=0, lentry=0x0) at ipv4/multicast/mrib/src/mrib_encap_db.c:3491
#4  0x400187c8 in mrib_db_entry_encap_setup (table=0x50226d50, entry=0x50840828, upd_attr_p=0x50030548, upd_attr_mdf_p=0x50030550, ti_mofrr_attr_p=0x0, ti_mofrr_attr_mdf_p=<value optimized out>, modified=0x9bffe97c, reprogram_encapid_on_route=1) at ipv4/multicast/mrib/src/mrib_db.c:4774
#5  0x4002bd44 in mrib_db_entry_update (table=0x50226d50, ccb=0x50794ef8, upd_ptr=0x9bfff304, client_update=1) atipv4/multicast/mrib/src/mrib_db.c:9595
#6  0x40033d20 in mrib_db_updates (ccb=0x50794ef8, buff=0x50030018 "\001\001", bsize=2376) at ipv4/multicast/mrib/src/mrib_db.c:10133
#7  0x40055b1c in mrib_io_write (clinfo=0x5061e5f8, buff=0x50030018, nbytes=2376) at ipv4/multicast/mrib/src/mrib_io.c:397




Decode for mrib crash:
----------------------------------
(gdb) bt
#0  0x4c7af7d0 in mrib_platform_unjoin_backup (is_join=0, is_primary=<value optimized out>, entry_handle=0x50114890, entry_annotation=<value optimized out>, fapids=0x9bffe27c, count=1, is_changed=0x9bffe278, is_unsol=<value optimized out>, is_legacy_fwd=1, tos=9) at platforms/hfr/features/ipv4/multicast/mrib/src/hfr_ipv4_mrib.c:1041
#1  mrib_platform_mpls_data_mdf (is_join=0, is_primary=<value optimized out>, entry_handle=0x50114890, entry_annotation=<value optimized out>, fapids=0x9bffe27c, count=1, is_changed=0x9bffe278, is_unsol=<value optimized out>, is_legacy_fwd=1, tos=9) at platforms/hfr/features/ipv4/multicast/mrib/src/hfr_ipv4_mrib.c:1278
#2  0x40016c98 in mrib_db_intf_backup_fgid_update (entry=0x50114890, intrf=0x50142384, add=0) at ipv4/multicast/mrib/src/mrib_db.c:323
#3  0x40034c00 in mrib_db_intrf_update (upd_attr=0, upd_attr_mdf=8388613, ifh=20449920, lsm_id=0, e_source=0, e_group=0, intrfpp=0x9bffeaa8, upd_ptr=0x9bfff358, entry=<value optimized out>, table=0x50208ab0, modified=0x9bffeabc, preupdate_mvpn_val=0x9bffeac8, client_update=1, set_mldp_handle=0x9bffeab4, reset_mldp_handle=0x9bffeab8, if_mt_update=REGULAR_IF_MT_UPDATE, if_upd=0x5003405c, nsf_client_stale=0) at ipv4/multicast/mrib/src/mrib_db.c:5674
#4  0x4002c0d0 in mrib_db_entry_update (table=0x50208ab0, ccb=0x506c32d0, upd_ptr=0x9bfff358, client_update=1) atipv4/multicast/mrib/src/mrib_db.c:9222
#5  0x40032f40 in mrib_db_updates (ccb=0x506c32d0, buff=0x50033fb4 "\001\001", bsize=220) at ipv4/multicast/mrib/src/mrib_db.c:10133
#6  0x400556f0 in mrib_io_write (clinfo=0x506c3228, buff=0x50033fb4, nbytes=220) at ipv4/multicast/mrib/src/mrib_io.c:397
#7  0x400dbe54 in mrib_lwm_server_handler (evc=<value optimized out>, ap=<value optimized out>) at ipv4/multicast/mrib/src/mrib_lwm_server.c:49
#8  0x4b2b06e4 in _event_handle_message (evc=<value optimized out>, ap=<value optimized out>, ahp=0x9bfff9f8) at infra/event_manager/src/event_message.c:187
#9  0x4b2b1224 in _event_message_handler (evc=0x9bfffa80, ap=0x0) at infra/event_manager/src/event_message.c:172
#10 0x4b2ac3b4 in event_dispatch (evc=0x9bfffa80, ap=0x0) at infra/event_manager/src/event_manager.c:783
#11 0x4000484c in main (argc=<value optimized out>, argv=<value optimized out>) at ipv4/multicast/mrib/src/mrib.c:1768
#12 0x4010262c in clock_gettime () at /auto/hellhound/jesui/nto6.4-XR-510/nto6.4-XR/qnx/lib/c/dllstubs/clock_gettime.s:33
Backtrace stopped: frame did not save the PC
(gdb) thread 0?
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