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MAC: clarify reconfigCellGroup warning for handover scenario

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Document that reconfigCellGroup remaining present is expected during
handover (target DU doesn't send RRC Reconfiguration).
This commit is contained in:
Guido Casati
2026-01-22 14:56:11 +00:00
committed by luis_pereira87
parent 1c6acfbc20
commit 0c879cdf62
1 changed files with 4 additions and 0 deletions
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openair2/LAYER2/NR_MAC_gNB/mac_rrc_dl_handler.c
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@@ -771,6 +771,10 @@ void ue_context_modification_request(const f1ap_ue_context_mod_req_t *req)
} else if (req->reconfig_compl) { } else if (req->reconfig_compl) {
LOG_I(NR_MAC, "DU received confirmation of successful RRC Reconfiguration\n"); LOG_I(NR_MAC, "DU received confirmation of successful RRC Reconfiguration\n");
if (UE->reconfigCellGroup) { if (UE->reconfigCellGroup) {
/** During handover, target DU never sends RRC Reconfiguration (source DU does),
* so ack_reconfig is never called on target DU - this warning is expected.
* If RRC Reconfiguration was sent via PDSCH, ack_reconfig should have been called when UE ACKed it.
* If not, this warning would indicate a bug. */
LOG_W(NR_MAC, "reconfigCellGroup still present, did we miss ACK for RRCReconfiguration?\n"); LOG_W(NR_MAC, "reconfigCellGroup still present, did we miss ACK for RRCReconfiguration?\n");
ASN_STRUCT_FREE(asn_DEF_NR_CellGroupConfig, UE->CellGroup); ASN_STRUCT_FREE(asn_DEF_NR_CellGroupConfig, UE->CellGroup);
UE->CellGroup = UE->reconfigCellGroup; UE->CellGroup = UE->reconfigCellGroup;