diff --git a/build_files/cmake/example_scripts/cmake_linux_install.sh b/build_files/cmake/example_scripts/cmake_linux_install.sh
index 7770efcf392..504218f91a6 100755
--- a/build_files/cmake/example_scripts/cmake_linux_install.sh
+++ b/build_files/cmake/example_scripts/cmake_linux_install.sh
@@ -17,7 +17,7 @@ cd ~/blender-svn/build-cmake
 
 # cmake without copying files for fast rebuilds
 # the files from svn will be used in place
-cmake ../blender -DWITH_INSTALL:BOOL=FALSE
+cmake ../blender
 
 # make blender, will take some time
 make
diff --git a/release/scripts/modules/console/complete_namespace.py b/release/scripts/modules/console/complete_namespace.py
index a31280ebff0..d787fed0967 100644
--- a/release/scripts/modules/console/complete_namespace.py
+++ b/release/scripts/modules/console/complete_namespace.py
@@ -37,6 +37,11 @@ def is_dict(obj):
     return hasattr(obj, 'keys') and hasattr(getattr(obj, 'keys'), '__call__')
 
 
+def is_struct_seq(obj):
+    """Returns whether obj is a structured sequence subclass: sys.float_info"""
+    return isinstance(obj, tuple) and hasattr(obj, 'n_fields')
+
+
 def complete_names(word, namespace):
     """Complete variable names or attributes
 
@@ -174,7 +179,7 @@ def complete(word, namespace, private=True):
         if type(obj) in (bool, float, int, str):
             return []
         # an extra char '[', '(' or '.' will be added
-        if hasattr(obj, '__getitem__'):
+        if hasattr(obj, '__getitem__') and not is_struct_seq(obj):
             # list or dictionary
             matches = complete_indices(word, namespace, obj)
         elif hasattr(obj, '__call__'):
diff --git a/release/scripts/modules/console_python.py b/release/scripts/modules/console_python.py
index 3048fa1d597..455eabe377b 100644
--- a/release/scripts/modules/console_python.py
+++ b/release/scripts/modules/console_python.py
@@ -80,7 +80,7 @@ def get_console(console_id):
     if console_data:
         console, stdout, stderr = console_data
 
-        # XXX, bug in python 3.1.2 ? (worked in 3.1.1)
+        # XXX, bug in python 3.1.2, 3.2 ? (worked in 3.1.1)
         # seems there is no way to clear StringIO objects for writing, have to make new ones each time.
         import io
         stdout = io.StringIO()
diff --git a/source/blender/windowmanager/intern/wm_operators.c b/source/blender/windowmanager/intern/wm_operators.c
index 8f15a21c624..06d049d2cb5 100644
--- a/source/blender/windowmanager/intern/wm_operators.c
+++ b/source/blender/windowmanager/intern/wm_operators.c
@@ -1485,6 +1485,14 @@ static int wm_open_mainfile_invoke(bContext *C, wmOperator *op, wmEvent *UNUSED(
 {
 	const char *openname= G.main->name;
 
+	if(CTX_wm_window(C) == NULL) {
+		/* in rare cases this could happen, when trying to invoke in background
+		 * mode on load for example. Don't use poll for this because exec()
+		 * can still run without a window */
+		BKE_report(op->reports, RPT_ERROR, "Context window not set");
+		return OPERATOR_CANCELLED;
+	}
+
 	/* if possible, get the name of the most recently used .blend file */
 	if (G.recent_files.first) {
 		struct RecentFile *recent = G.recent_files.first;
@@ -1535,7 +1543,7 @@ static void WM_OT_open_mainfile(wmOperatorType *ot)
 	
 	ot->invoke= wm_open_mainfile_invoke;
 	ot->exec= wm_open_mainfile_exec;
-	ot->poll= WM_operator_winactive;
+	/* ommit window poll so this can work in background mode */
 	
 	WM_operator_properties_filesel(ot, FOLDERFILE|BLENDERFILE, FILE_BLENDER, FILE_OPENFILE, WM_FILESEL_FILEPATH);
 
@@ -1954,7 +1962,7 @@ static void WM_OT_save_mainfile(wmOperatorType *ot)
 	ot->invoke= wm_save_mainfile_invoke;
 	ot->exec= wm_save_as_mainfile_exec;
 	ot->check= blend_save_check;
-	ot->poll= NULL;
+	/* ommit window poll so this can work in background mode */
 	
 	WM_operator_properties_filesel(ot, FOLDERFILE|BLENDERFILE, FILE_BLENDER, FILE_SAVE, WM_FILESEL_FILEPATH);
 	RNA_def_boolean(ot->srna, "compress", 0, "Compress", "Write compressed .blend file");