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Re: Certain web pages on Mozilla cause my screen to go funny.



On Monday 18 October 2004 01:59, Adam Funk wrote:
> Certain web pages cause my screen to "go funny" with horizontal lines
> for a few seconds, then leave it looking ugly until I log out of GDM
> and back in again.  This happens only with Firefox and Mozilla; I can
> look at the same pages in Konqueror and Galleon.  It used to happen
> occasionally on slashdot.org (usually on Apple-related pages, I think)
> but not www.theregister.co.uk is giving me trouble.  I use XFCE4 but
> I've had the same problem in GNOME.
>
> Here's a screenshot of the after-effects.
> http://www.ducksburg.com/misc/snapshot12.png
>
> Below is some information I think might be relevant.  Please ask for
> anything else that might help.
>
> Thanks,
> Adam
>
> Package list:
> ii  gdm                                          2.4.4.7-3
> ii  mozilla                                      1.6-5
> ii  mozilla-browser                              1.6-5
> ii  mozilla-locale-de-at                         1.6-4
> ii  mozilla-mailnews                             1.6-5
> ii  mozilla-psm                                  1.6-5
> ii  mozilla-xft                                  1.6-5
> ii  xfree86-common                               4.3.0.dfsg.1-8
> ii  xfce4                                        4.0.5-1
> ii  xfce4-artwork                                0.0.4-3
> ii  xfce4-datetime-plugin                        0.2-3
> ii  xfce4-diskperf-plugin                        1.3-3
> ii  xfce4-iconbox                                4.0.6-1
> ii  xfce4-mcs-manager                            4.0.6-1
> ii  xfce4-mcs-plugins                            4.0.6-1
> ii  xfce4-mixer                                  4.0.6-1
> ii  xfce4-panel                                  4.0.6-1
> ii  xfce4-session                                0.1.3+20031213-5
> ii  xfce4-systemload-plugin                      0.3.3-4
> ii  xfce4-systray                                4.0.6-1
> ii  xfce4-themes                                 4.0.6-1
> ii  xfce4-toys                                   4.0.6-1
> ii  xfce4-trigger-launcher                       4.0.6-1
> ii  xfce4-utils                                  4.0.6-1
>
> Excerpt from /etc/X11/XF86Config-4
>
> Section "Device"
>         Identifier      "S3 SAVAGE4 PRO/32MB PCI"
>         Driver          "savage"
>         Option     "SWCursor"  "on"
>         Option     "HWCursor"  "off"
> EndSection
>
> Section "Monitor"
>         Identifier      "DELL P790"
>         HorizSync       30-92
>         VertRefresh     50-150
>         Option          "DPMS"
> EndSection

The only time I've experienced anything like this, it was due to video card 
misconfiguration.  I think this happened when I was running at too high a 
color depth for the resolution and refresh rate I was using.  Once I backed 
it down, the problem went away.  Of course, my problem wasn't triggered by 
web pages that I could tell, but some windows appeared normal, and some had 
lines throughout.

Hope that helps,
Justin Guerin



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