fix: avoid configuring the phy mbsfn from the rrc, when phy is not fully initialized

srsenb/src/enb.cc

@@ -70,7 +70,6 @@ int enb::init(const all_args_t& args_)
       return SRSRAN_ERROR;
     }
 
-    // Only init Stack if both radio and PHY could be initialized
     if (ret == SRSRAN_SUCCESS) {
       if (lte_stack->init(args.stack, rrc_cfg, lte_phy.get()) != SRSRAN_SUCCESS) {
         srsran::console("Error initializing stack.\n");

srsenb/src/stack/rrc/rrc.cc

@@ -848,8 +848,12 @@ void rrc::configure_mbsfn_sibs()
   pmch_item->data_mcs         = mbms_mcs;
   pmch_item->mch_sched_period = srsran::pmch_info_t::mch_sched_period_t::rf64;
   pmch_item->sf_alloc_end     = 64 * 6;
-  phy->configure_mbsfn(&sibs2, &sibs13, mcch_t);
-  mac->write_mcch(&sibs2, &sibs13, &mcch_t, mcch_payload_buffer, current_mcch_length);
+
+  // Configure PHY when PHY is done being initialized
+  task_sched.defer_task([this, sibs2, sibs13, mcch_t]() mutable {
+    phy->configure_mbsfn(&sibs2, &sibs13, mcch_t);
+    mac->write_mcch(&sibs2, &sibs13, &mcch_t, mcch_payload_buffer, current_mcch_length);
+  });
 }
 
 int rrc::pack_mcch()