unable to play video after upgraded to ubuntu 16.04 from 14.04

[Liam Proven]

On 28 April 2016 at 15:08, Oliver Grawert <ogra at ubuntu.com> wrote:
> i rather suspect some filesystem corruption, harddrive errors or some
> such ... something makes these files vanish in a black hole, which
> indicates some systemic problem (it is also likely that it is not only
> libgbm that is affected if that is actually the case)


If it is that, and it is _not_ a hardware problem, then

sudo touch /forcefsck

... followed by a reboot might help.

Also, doing a:

sudo apt-get clean

... should clean out the package-cache directory and thus force apt to
fetch fresh copies.


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