When I open enough tabs to get the left/right buttons to appear, my whole tab bar flickers

I finally just upgraded to FF28 this week and will have a very weird problem with the tabs bar. I am attaching a video of 2 seconds, because a screenshot still does not capture the issue. Not only is the flasher/flicker unpleasant visually, but it makes it almost impossible to click on the x to close a tab (I have to right-click and choose close tab instead).

Edit: impossible to attach a video; downloaded here:
http://www.nothingleftrecords.org/ffvid.3g2

Start Firefox in Safe Mode to check if one of the extensions (Firefox/tools > Modules > Extensions) or if hardware acceleration is the cause of the problem.

  • Put yourself in the DEFAULT theme: Firefox/tools > Modules > appearance
  • Do NOT click on the reset button on the startup window Mode safe

Tags: Firefox

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