--- dwm-A/dwm.c 2008-05-04 14:08:01.000000000 +0200 +++ dwm-B/dwm.c 2008-05-04 14:15:33.000000000 +0200 @@ -1852,6 +1852,7 @@ || (ee->request_code == X_PolySegment && ee->error_code == BadDrawable) || (ee->request_code == X_ConfigureWindow && ee->error_code == BadMatch) || (ee->request_code == X_GrabKey && ee->error_code == BadAccess) + || (ee->request_code == X_GrabButton && ee->error_code == BadAccess) || (ee->request_code == X_CopyArea && ee->error_code == BadDrawable)) return 0; fprintf(stderr, "dwm: fatal error: request code=%d, error code=%d\n",