<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><span style="font-family:arial,sans-serif">On 2 April 2016 at 19:29, ToddAndMargo </span><span dir="ltr" style="font-family:arial,sans-serif"><<a href="mailto:ToddAndMargo@zoho.com" target="_blank">ToddAndMargo@zoho.com</a>></span><span style="font-family:arial,sans-serif"> wrote:</span><br></div><div class="gmail_extra"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><span class="">On 04/02/2016 03:55 AM, Ernest Adrogué wrote:<br>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
2016-03-30, 10:47 (-0700); ToddAndMargo escriu:<br>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
By chance are you using GLSideshow?  I was and changed to<br>
Bouncing Cows and the symptom went away.<br>
</blockquote>
<br>
No, I run xscreensaver in "blank screen only" mode, and "lock screen" after<br>
10 minutes.<br>
<br>
It only happens rarely though, maybe last time I saw it was a month ago.<br>
</blockquote>
<br></span>
I set time out to 1 minute and bouncing cows.  It took about 50 shots<br>
reproduce.  glsideshow takes about two shots</blockquote><div><br></div><div><br></div><div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">​Do you have the compositor enabled?</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Go to "Window Manager Tweaks", select "Compositor" Tab, un-select "Display fullscreen overlay windows directly", does it make any difference? </div><div class="gmail_extra"><br></div><div class="gmail_extra"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">​Cheers,</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Olivier​</div><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">​</div><br></div></div></div></div>