diff --git a/src/core/pool_type.hpp b/src/core/pool_type.hpp
index 4d20ed1abb..b73323c831 100644
--- a/src/core/pool_type.hpp
+++ b/src/core/pool_type.hpp
@@ -110,7 +110,7 @@ struct Pool : PoolBase {
 	 */
 	inline Titem *Get(size_t index)
 	{
-		assert(index < this->first_unused);
+		assert_msg(index < this->first_unused, "index: %zu, first_unused: %zu, name: %s", index, this->first_unused, this->name);
 		return this->data[index];
 	}
 
@@ -166,7 +166,7 @@ struct Pool : PoolBase {
 		{
 			if (p == NULL) return;
 			Titem *pn = (Titem *)p;
-			assert(pn == Tpool->Get(pn->index));
+			assert_msg(pn == Tpool->Get(pn->index), "name: %s", Tpool->name);
 			Tpool->FreeItem(pn->index);
 		}
 
@@ -200,7 +200,7 @@ struct Pool : PoolBase {
 				 * memory are the same (because of possible inheritance).
 				 * Use { size_t index = item->index; delete item; new (index) item; }
 				 * instead to make sure destructor is called and no memory leaks. */
-				assert(ptr != Tpool->data[i]);
+				assert_msg(ptr != Tpool->data[i], "name: %s", Tpool->name);
 			}
 			return ptr;
 		}
diff --git a/src/crashlog.cpp b/src/crashlog.cpp
index af9adfdfbf..e4cd11ec97 100644
--- a/src/crashlog.cpp
+++ b/src/crashlog.cpp
@@ -172,7 +172,7 @@ char *CrashLog::LogConfiguration(char *buffer, const char *last) const
 			FontCache::Get(FS_MONO)->GetFontName()
 	);
 
-	buffer += seprintf(buffer, last, "AI Configuration (local: %i):\n", (int)_local_company);
+	buffer += seprintf(buffer, last, "AI Configuration (local: %i) (current: %i):\n", (int)_local_company, (int)_current_company);
 	const Company *c;
 	FOR_ALL_COMPANIES(c) {
 		if (c->ai_info == NULL) {
diff --git a/src/os/unix/crashlog_unix.cpp b/src/os/unix/crashlog_unix.cpp
index 175eb7c534..d8f95908b4 100644
--- a/src/os/unix/crashlog_unix.cpp
+++ b/src/os/unix/crashlog_unix.cpp
@@ -206,6 +206,8 @@ class CrashLogUnix : public CrashLog {
 		}
 		buffer += seprintf(buffer, last, "\n");
 
+		close(pipefd[0]); /* close read end */
+
 		int status;
 		int wait_ret = waitpid(pid, &status, 0);
 		if (wait_ret == -1 || !WIFEXITED(status) || WEXITSTATUS(status) != 0) {
diff --git a/src/vehicle.cpp b/src/vehicle.cpp
index a56bccd04c..251d48fcef 100644
--- a/src/vehicle.cpp
+++ b/src/vehicle.cpp
@@ -826,6 +826,8 @@ void Vehicle::PreDestructor()
 {
 	if (CleaningPool()) return;
 
+	SCOPE_INFO_FMT([this], "Vehicle::PreDestructor: %s", scope_dumper().VehicleInfo(this));
+
 	if (Station::IsValidID(this->last_station_visited)) {
 		Station *st = Station::Get(this->last_station_visited);
 		st->loading_vehicles.remove(this);