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All the videos on youtube are flickering on my Ubuntu.

See screenshot: http://imgur.com/51dAk

This happens with HTML5 enabled and disabled.

I am running Ubuntu 12.10 on a Thinkpad X61s.

This only happens on Google Chrome.

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I can confirm this. – Frantique Nov 29 '12 at 10:50

3 Answers

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This seems to be a known bug:
http://code.google.com/p/chromium/issues/detail?id=124569

A workaround that did it for me, was starting chrome with this command line parameter:
--disable-accelerated-compositing

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your 'edited' (==completely replaced) answer now does work for me. please consider adding another answer instead of 'editing' (replacing the old one) next time. thx – törzsmókus Mar 15 at 9:19
but anyway, thanks for the workaround and the bug link – törzsmókus Mar 15 at 9:21
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The problem seems to be with the hardware rendering: I noticed this behaviour when I enabled the flag “Override Software Rendering List”, i.e. enabling GPU acceleration on unsupported hardware.

Have a look at chrome://flags whether it is enabled for you as well.

(I have an Intel GMA X3100 graphics card in a Thinkpad x61-7673.)

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Thanks for this hint. Unfortunately I did not enable this flag. Also enabling or disabling any other flag regarding the GPU does not have any affect on this problem. – bayoffire Jan 19 at 17:11
after the upgrade from Chrome 23 to 24, I’m also facing this problem regardless of my flags! but before the upgrade, it used to depend on that. – törzsmókus Jan 20 at 18:05
please comment here if you find a relevant bug report in the Chromium issue tracker THX – törzsmókus Jan 20 at 18:07
or you may as well file one :) – törzsmókus Jan 20 at 18:20
for the record, the workaround --disable-accelerated-compositing works for me. I must have missed the relevant issue in the other answer. – törzsmókus Mar 15 at 9:17
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I recently started having trouble with Chrome's video (Mar/Apr 2013, Ubuntu 12.10), but only in YouTube. The sound was still ok, and other sites were fine.

I found similar problems reported on Windows Chrome and loosely followed their instructions to disable the PepperFlash pugin. This has improved things massively. Try:

about:plugins
  • click +
  • click disable by the /opt/google/chrome/PepperFlash/libpepflashplayer.so entry.

(Maybe this entry could be improved slightly?) (The PC mag article I found the answer in said something about Google monitoring.)

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