#0: Bugfix

tt_metal/impl/device/device.cpp

@@ -584,6 +584,10 @@ void Device::reset_cores() {
     for (auto &id_and_cores : dispatch_cores) {
         for (auto it = id_and_cores.second.begin(); it != id_and_cores.second.end(); it++) {
             const auto &virtual_core = *it;
+            // For new FD init, we've already initialized dispatch cores on other devices, so don't reset here.
+            if (llrt::RunTimeOptions::get_instance().get_use_new_fd_init() && id_and_cores.first != this->id())
+                continue;
+
             // Only need to manually reset ethernet dispatch cores, tensix cores are all reset below.
             if (tt::Cluster::instance().is_ethernet_core(virtual_core, id_and_cores.first)) {
                 // Ethernet cores won't be reset, so just signal the dispatch cores to early exit.