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Software exception in “tMCMgr" task

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Information

 
TitleSoftware exception in “tMCMgr" task
Symptoms
Begin Exception Data 
+ PC 0x00c78cbc = 0x00c78c54 _bcm_tr3_repl_head_block_free +68 
+ PC 0x001337e8 = 0x0013377c memChkFree +6c 
+ PC 0x00c78e9c = 0x00c78de4 _bcm_tr3_repl_head_block_alloc +b8 
+ PC 0x00c7aa10 = 0x00c7a27c _bcm_tr3_repl_list_start_ptr_set +794 
+ PC 0x00c7bf98 = 0x00c7bb64 _bcm_tr3_ipmc_egress_intf_set +434 
+ PC 0x00c7dcbc = 0x00c7da7c _bcm_tr3_ipmc_egress_intf_delete +240 
+ PC 0x007c82dc = 0x007c8298 _bcm_esw_ipmc_egress_intf_delete +44 
+ PC 0x007cafdc = 0x007ca8b0 _bcm_esw_multicast_l3_delete +72c 
+ PC 0x007cef90 = 0x007cee68 bcm_esw_multicast_egress_delete +128 
+ PC 0x008671c8 = 0x00867154 bcm_multicast_egress_delete +74 
+ PC 0x009f023c = 0x009efe90 gw_bcmx_ipmc_delete_dest_ports +3ac 
+ PC 0x009f51a0 = 0x009f5070 gw_ipmc_streams_del_l3_intf_ports_from_index +130 
+ PC 0x01c4ee38 = 0x01c4ee04 nn_ipmc_streams_del_l3_intf_ports_from_index +34 
+ PC 0x01c3e04c = 0x01c3dfc8 fe_ipmc_streams_del_l3_intf_ports_from_index +84 
+ PC 0x01095454 = 0x010952d4 mcm_del_repl_info +180 
+ PC 0x01095da4 = 0x01095b38 mcm_modify_ipmc_table_info +26c 
+ PC 0x010f39a0 = 0x010f37d4 ipscmc_remove_SG_ports_from_hw +1cc 
+ PC 0x010f3fb0 = 0x010f3ca0 ipscmc_remove_ports_from_SG +310 
+ PC 0x00ff67c8 = 0x00ff66c0 dlistWalk +108 
+ PC 0x010f37c0 = 0x010f3698 ipscmc_remove_ports_from_all_sources +128 
+ PC 0x010f40b0 = 0x010f407c ipscmc_remove_source_entry_ports +34 
+ PC 0x010f43c0 = 0x010f41a4 ipscmc_remove_group_entry_ports +21c 
+ PC 0x010f45f8 = 0x010f44b0 ipscmc_del_receiver_ports +148 
+ PC 0x01106ba8 = 0x01106388 igmpStreamSnoopRxV1_V2 +820 
+ PC 0x010c11e0 = 0x010c0900 igmpRxPkt +8e0

 
Environment
  • ERS 49/5900
  • Software 7.5.0
Cause
  • ERS495900-4958 – Software exception in “tMCMgr" task when IP shortcuts multicast is configured and streams have multiple receivers in different VLANs
Resolution
  • Upgrade to software 7.5.1
Additional notes

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