Subject: Bug#4494: Xlib's XForceScreenSaver flashes the display

From: Philippe Troin <[email-masked]>
Date: Sun, 15 Sep 1996 00:22:56 -0700

Package: xserver-svga
Version: 3.1.2-5

The attached piece of code makes the whole display to flash.
Here is some information:

dpkg -Package: xserver-svga
Status: install ok installed
Priority: optional
Section: x11
Maintainer: Stephen Early <[email-masked]>
Source: XFree86
Version: 3.1.2-5
Replaces: xsvga
Provides: xserver
Depends: libc5
Recommends: xfntbase
Suggests: xbase
Conflicts: xsvga
Description: XFree86 3.1.2 SVGA server
 This package provides an X server suitable for use with all SVGA 
video
 cards. The server also makes use of the accelerator features of 
Cirrus,
 Western Digital and Oak chipsets.

Package: xlib
Status: install ok installed
Priority: standard
Section: x11
Maintainer: Stephen Early <[email-masked]>
Source: XFree86
Version: 3.1.2-7
Replaces: elf-x11r6lib
Provides: xR6shlib, xlibraries, elf-x11r6lib
Depends: libc5, ldso (>= 1.7.14-1)
Conflicts: elf-x11r6lib
Description: XFree86 3.1.2 shared libraries

My graphics card is a Trident TVGA9400-Cxi, the XF86Config is 
available upon request.
I suspect a drop in the HSync or VSync pulse to cause this (any mode 
change causes the same kind of flashing).

Phil.