Re: Odd Screen Overlap

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On Mon, 14 Feb 2005, Carl F. Hall wrote:

> Hi all,
>
> I've been working in XFree86 4.3 on Debian for a while with no problems.
>   I opted to change my system time using the clock panel thingy and upon
> saving my changes, the screen went off then on again and I have an
> overlap at the bottom of the screen that is a copy of the first 10-15
> pixels of the top of the screen.  I'm running at 1280x1024.  When I
> switch to 1024x768, the problem doesn't show.  I've tried adjusting the
> monitor but there are useful things, namely the status bar, behind that
> overlap.  Any thoughts??

I believe that these lines in the logfile:

GetModeLine - scrn: 0 clock: 108000
GetModeLine - hdsp: 1280 hbeg: 1328 hend: 1440 httl: 1688
              vdsp: 1024 vbeg: 1025 vend: 1028 vttl: 1066 flags: 5
GetModeLine - scrn: 0 clock: 108000
GetModeLine - hdsp: 1280 hbeg: 1328 hend: 1440 httl: 1688
              vdsp: 1024 vbeg: 1025 vend: 1028 vttl: 1066 flags: 5
GetModeLine - scrn: 0 clock: 108000
GetModeLine - hdsp: 1280 hbeg: 1328 hend: 1440 httl: 1688
              vdsp: 1024 vbeg: 1025 vend: 1028 vttl: 1066 flags: 5

indicates that some application explicitly changed the modeline
through the XF86VidMode extension.  One app that I know of that
does this is X-Screensaver.  My guess is that when you changed your
system time, there was some confusion about when the screensaver
should come on and the screensaver came on and switched modelines
somehow.   I assume that quiting and restarting X resolves this
problem?


		Mark.
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