Re #346

waveform80 · Nov 15, 2016 · 10c9536 · 10c9536
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Showing 2 changed files with 7 additions and 2 deletions.
diff --git a/docs/fov.rst b/docs/fov.rst
@@ -291,7 +291,12 @@ image and video processing:
 * However, H264 high profile level 4.2 has slightly higher limits and may
   succeed with higher resolutions.
 
-* The maximum resolution of the V2 camera can cause issues with previews.
+* The maximum resolution of the V2 camera may require additional GPU memory
+  when operating at low framerates (<1fps). Increase ``gpu_mem`` in
+  ``/boot/config.txt`` if you encounter "out of resources" errors when
+  attempting long-exposure captures with a V2 module.
+
+* The maximum resolution of the V2 camera can also cause issues with previews.
   Currently, picamera runs previews at the same resolution as captures
   (equivalent to ``-fp`` in ``raspistill``).  You may need to increase
   ``gpu_mem`` in ``/boot/config.txt`` to achieve full resolution operation with

diff --git a/picamera/exc.py b/picamera/exc.py
@@ -126,7 +126,7 @@ def __init__(self, status, prefix=""):
         self.status = status
         PiCameraError.__init__(self, "%s%s%s" % (prefix, ": " if prefix else "", {
             mmal.MMAL_ENOMEM:    "Out of memory",
-            mmal.MMAL_ENOSPC:    "Out of resources (other than memory)",
+            mmal.MMAL_ENOSPC:    "Out of resources",
             mmal.MMAL_EINVAL:    "Argument is invalid",
             mmal.MMAL_ENOSYS:    "Function not implemented",
             mmal.MMAL_ENOENT:    "No such file or directory",