Index: llwindowsdl.cpp
===================================================================
RCS file: /home/david/src/.cvs/programming/SecondLife/linden/indra/llwindow/llwindowsdl.cpp,v
retrieving revision 1.1
diff -u -r1.1 llwindowsdl.cpp
--- llwindowsdl.cpp	28 Feb 2007 04:43:12 -0000	1.1
+++ llwindowsdl.cpp	28 Feb 2007 04:52:45 -0000
@@ -393,6 +393,13 @@
 		}
 
 		mWindow = SDL_SetVideoMode(width, height, bits, sdlflags | SDL_FULLSCREEN);
+		if (!mWindow)
+		{
+			llwarns << "createContext: window creation failure. SDL: " << SDL_GetError() << llendl;
+			llwarns << "createContext: Trying again with 16 bit depth buffer" << llendl;
+			SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16);
+			mWindow = SDL_SetVideoMode(width, height, bits, sdlflags);
+		}
 
 		if (mWindow)
 		{
@@ -435,6 +442,13 @@
 
 		llinfos << "createContext: creating window " << width << "x" << height << "x" << bits << llendl;
 		mWindow = SDL_SetVideoMode(width, height, bits, sdlflags);
+		if (!mWindow)
+		{
+			llwarns << "createContext: window creation failure. SDL: " << SDL_GetError() << llendl;
+			llwarns << "createContext: Trying again with 16 bit depth buffer" << llendl;
+			SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16);
+			mWindow = SDL_SetVideoMode(width, height, bits, sdlflags);
+		}
 
 		if (!mWindow)
 		{