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I am using Firefox 7 and the new official Adobe Flash 64-bit plugin from the Ubuntu Partner repository. It's the adobe-flash package. It works nicely on the first look but when I try to skip ahead in any YouTube video (by clicking on the video progress bar) sound will go on but the video simply freezes at the position it was just before skipping. This is really annoying because I really don't want to watch every video full length.

Now maybe there's cleanup work to do?

  • I removed every Flash-related package from the package manager.

Maybe it's Firefox?

  • I couldn't find any hint.

Maybe it's the video manager (display manager)?

  • I am using KDE on an Ubuntu Natty install.

I also enabled hardware acceleration with libdvpau1:

  • sudo bash -c "echo 'EnableLinuxHWVideoDecode=1' >> /etc/adobe/mms.cfg" (this seems to have no effect at all ...)

  • Ubuntu Natty 64-bit, Firefox 7, Flash 11.01 )

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For flash problems, try flash-aide, see askubuntu.com/questions/86164/how-do-i-fix-flash-issues Otherwise Firefox and flash both have updated versions. As such , I suggest closing this and starting a new question if the problem persists with more recent version(s) of firefox / flash. – bodhi.zazen Feb 28 '12 at 4:51
thx for your comment - i think this discussion is outdated now, how to close or delete it? p. – piedro May 22 '12 at 12:49

closed as too localized by fossfreedom♦ May 22 '12 at 17:51

This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time, or an extraordinarily narrow situation that is not generally applicable to the worldwide audience of the internet. For help making this question more broadly applicable, see the FAQ.

3 Answers

up vote 1 down vote

I had the same issue on a recent flash update on 11.04. I ignored it until I upgraded to 11.10, but the problem stuck around. I resolved it by deleting /etc/adobe/mms.cfg - The file is not there by default, it's a tweak added by yourself, added some time ago, probably long forgotten about. Until now that is, because it's causing the problem.

Try renaming the file....

sudo mv /etc/adobe/mms.cfg /etc/adobe.mms.cfg.no

Close Firefox and open it again and test, if that resolves it you can feel free to remove the file.

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user29407's suggestion of removing/renaming mms.cfg fixed the problem for me. – jdorenbush Mar 21 '12 at 22:31
up vote 0 down vote

Probably Firefox 7 is the cause. The new flash for 64bit works flawlessly here. Try reinstalling flash with Firefox 6 as it is what I use and it works flawlessly with the new flash. Also try udating your graphics card driver.

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mozilla.org tells me firefox 7.01 is the official stable enduser version ... mi will still try downgrading though, thx – piedro Oct 12 '11 at 7:45
Sorry about that I thought you were on Firefox 8 – Mysterio Oct 12 '11 at 7:48
up vote 0 down vote

I've the same issue. I'm using Ubuntu Natty 64-bits and Firefox 7 too, and latest Nvidia drivers. If I comment all lines in /etc/adobe/mms.cfg (there are only two lines: 'OverrideGPUValidation=true' and 'EnableLinuxHWVideoDecode=1') I can skip in the video, but whitout hardware acceleration, so it's played very bad.

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