- **summary**: MDS: MDS message loss callback is not called at TIPC package 
drop --> MDS: MDS message loss callback is not called when TIPC drops packages



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** [tickets:#2076] MDS: MDS message loss callback is not called when TIPC drops 
packages**

**Status:** unassigned
**Milestone:** 5.2.FC
**Created:** Tue Sep 27, 2016 04:00 PM UTC by Hans Nordebäck
**Last Updated:** Tue Sep 27, 2016 04:00 PM UTC
**Owner:** nobody


A debug patch using MDS_CALLBACK_MSG_LOSS was added to AMFD and AMFND. This MDS 
message loss callback was not called at message loss, AMF detected message loss 
and at the same time TIPC sends an ancilliary message TIPC_ERR_OVERLOAD to 
notify that packages has been dropped:

AMF at SC-2 detects message loss from PL-2-43 (22b0f):

Aug 17 16:48:01 SC-2-2 amf_demo[9055]: Health check 2
Aug 17 16:48:06 SC-2-2 osafamfd[6677]: WA avd_msg_sanity_chk: invalid msg id 
123, msg type 8, from 22b0f should be 37
Aug 17 16:48:06 SC-2-2 osafamfd[6677]: WA avd_msg_sanity_chk: invalid msg id 
124, msg type 8, from 22b0f should be 37
Aug 17 16:48:06 SC-2-2 osafamfd[6677]: WA avd_msg_sanity_chk: invalid msg id 
125, msg type 8, from 22b0f should be 37
:
and at PL-2-43:

Aug 17 16:47:11 PL-2-43 osafamfnd[29057]: CR MDTM: undelivered message 
condition ancillary data: TIPC_ERR_OVERLOAD

TIPC has dropped this message at SC-2 and sends and undelivered message, 
TIPC_ERR_OVERLOAD,  to PL-2-43, 




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