From fc2b9a5031c8cc7146ce3b18d71162b8952fe945 Mon Sep 17 00:00:00 2001
From: Lorenz Meier <lm@inf.ethz.ch>
Date: Tue, 5 Jan 2016 19:03:29 +0100
Subject: [PATCH] Print backtrace on file descriptor exceed error

---
 src/drivers/device/vdev_posix.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/drivers/device/vdev_posix.cpp b/src/drivers/device/vdev_posix.cpp
index 957b60afe1..e58c858719 100644
--- a/src/drivers/device/vdev_posix.cpp
+++ b/src/drivers/device/vdev_posix.cpp
@@ -135,6 +135,7 @@ extern "C" {
 					PX4_WARN("failed getting thread name");
 				}
 
+				PX4_BACKTRACE();
 #endif
 
 				PX4_WARN("%s: exceeded maximum number of file descriptors!", thread_name);