Hi, I'm having a bit of a strange problem and wonder if anyone has any advice on how to track it down further. I have the following code (snippet) (this has been executing fine for the last 2 years on various LINUX flavors, MAC OS X, and Solaris): ===== gc = gdk_gc_new(da->window); gdk_gc_set_rgb_fg_color (gc, fg); gdk_gc_set_rgb_bg_color (gc, bg); ===== where da is a previously created drawing area, and fg and bg are appropriately defined and set. But now, given the following two machines: Machine A: OS = Opensuse 10.3, GTK+ = 2.12.0 Machine B: OS = Opensuse 10.1, GTK+ = 2.8.10 I am having problems displaying to machine A. Execution and Display Combinations return the following: 1) Execute on Machine A, same display, returns the following error (twice) Gdk-WARNING **: gdk_gc_set_rgb_fg_color() and gdk_gc_set_rgb_bg_color() can only be used on GC's with a colormap. A GC will have a colormap if it is created for a drawable with a colormap, or if a colormap has been set explicitly with gdk_gc_set_colormap. followed by a single X11 error message (asynchronously reported, of course): ... The error was BadMatch (invalid parameter attributes) error_code 8 request_code 70 minor_code 0 ... 2) Execute on Machine B, same display Program executes fine 3) Execute on Machine A, display to Machine B Program executes fine 4) Execute on machine B, display to Machine A I receive the same warning/error as in 1) above. The conclusions I draw from this: 1) on machine A, the call to gdk_gc_new() does return a gc, but this gc does not end up having a colormap associated with it for some reason. 2) since the same program on machine A displays fine on machine B, this has something to do with the display, or X11, or ...? 3) some call to X11 fails and, I think, causes all other downstream problems. (what is request_code = 70?) Does anybody have any idea what this could relate to and why this would be happening? Is it possible that a drawing area can be created, the window for it defined, while a colormap is not created for a gc's definition? (fyi: other display programs using color, e.g. firefox, display fine on machine A.) Any pointers or advice as to how I can track this down would be appreciated. cheers, richard boaz _______________________________________________ gtk-list mailing list gtk-list@xxxxxxxxx http://mail.gnome.org/mailman/listinfo/gtk-list