Index: kernel/generic/src/ipc/sysipc.c
===================================================================
--- kernel/generic/src/ipc/sysipc.c	(revision 9c70ed6b75a61e415b8311e9ae9d47adbfd145c9)
+++ kernel/generic/src/ipc/sysipc.c	(revision 35bb2e72c2c076b697daef29fa5dbfbc51a5da4a)
@@ -531,5 +531,5 @@
     unative_t arg1, unative_t arg2, unative_t arg3, ipc_data_t *data)
 {
-	call_t call;
+	call_t *call;
 	phone_t *phone;
 	int res;
@@ -538,32 +538,35 @@
 	GET_CHECK_PHONE(phone, phoneid, return ENOENT);
 
-	ipc_call_static_init(&call);
-	IPC_SET_METHOD(call.data, method);
-	IPC_SET_ARG1(call.data, arg1);
-	IPC_SET_ARG2(call.data, arg2);
-	IPC_SET_ARG3(call.data, arg3);
+	call = ipc_call_alloc(0);
+	IPC_SET_METHOD(call->data, method);
+	IPC_SET_ARG1(call->data, arg1);
+	IPC_SET_ARG2(call->data, arg2);
+	IPC_SET_ARG3(call->data, arg3);
 	/*
 	 * To achieve deterministic behavior, zero out arguments that are beyond
 	 * the limits of the fast version.
 	 */
-	IPC_SET_ARG4(call.data, 0);
-	IPC_SET_ARG5(call.data, 0);
-
-	if (!(res = request_preprocess(&call, phone))) {
+	IPC_SET_ARG4(call->data, 0);
+	IPC_SET_ARG5(call->data, 0);
+
+	if (!(res = request_preprocess(call, phone))) {
 #ifdef CONFIG_UDEBUG
 		udebug_stoppable_begin();
 #endif
-		rc = ipc_call_sync(phone, &call);
+		rc = ipc_call_sync(phone, call);
 #ifdef CONFIG_UDEBUG
 		udebug_stoppable_end();
 #endif
-		if (rc != EOK)
+		if (rc != EOK) {
+			/* The call will be freed by someone else. */
 			return rc;
-		process_answer(&call);
+		}
+		process_answer(call);
 
 	} else {
-		IPC_SET_RETVAL(call.data, res);
-	}
-	rc = STRUCT_TO_USPACE(&data->args, &call.data.args);
+		IPC_SET_RETVAL(call->data, res);
+	}
+	rc = STRUCT_TO_USPACE(&data->args, &call->data.args);
+	ipc_call_free(call);
 	if (rc != 0)
 		return rc;
@@ -584,32 +587,38 @@
     ipc_data_t *reply)
 {
-	call_t call;
+	call_t *call;
 	phone_t *phone;
 	int res;
 	int rc;
 
-	ipc_call_static_init(&call);
-	rc = copy_from_uspace(&call.data.args, &question->args,
-	    sizeof(call.data.args));
-	if (rc != 0)
+	GET_CHECK_PHONE(phone, phoneid, return ENOENT);
+
+	call = ipc_call_alloc(0);
+	rc = copy_from_uspace(&call->data.args, &question->args,
+	    sizeof(call->data.args));
+	if (rc != 0) {
+		ipc_call_free(call);
 		return (unative_t) rc;
-
-	GET_CHECK_PHONE(phone, phoneid, return ENOENT);
-
-	if (!(res = request_preprocess(&call, phone))) {
+	}
+
+
+	if (!(res = request_preprocess(call, phone))) {
 #ifdef CONFIG_UDEBUG
 		udebug_stoppable_begin();
 #endif
-		rc = ipc_call_sync(phone, &call);
+		rc = ipc_call_sync(phone, call);
 #ifdef CONFIG_UDEBUG
 		udebug_stoppable_end();
 #endif
-		if (rc != EOK)
+		if (rc != EOK) {
+			/* The call will be freed by someone else. */
 			return rc;
-		process_answer(&call);
+		}
+		process_answer(call);
 	} else 
-		IPC_SET_RETVAL(call.data, res);
-
-	rc = STRUCT_TO_USPACE(&reply->args, &call.data.args);
+		IPC_SET_RETVAL(call->data, res);
+
+	rc = STRUCT_TO_USPACE(&reply->args, &call->data.args);
+	ipc_call_free(call);
 	if (rc != 0)
 		return rc;