[GTALUG] Last Ubuntu OS Update Breaks ffmpeg

[Bob Jonkman]

Lennart wrote:
> How did you update ubuntu?  Sometimes you need to use "apt-get dist-upgrade",
> not just "upgrade". 

I always update with dist-upgrade, precisely to avoid missing drivers
and other auxiliary files. I haven't experienced problems yet (~5 years
of doing this).

--Bob.



On 14/09/18 11:04 AM, Lennart Sorensen via talk wrote:
> I have no particular knowledge of this, but I'll take a whack at it.
> 
> What is libGL?  Read this: <https://dri.freedesktop.org/wiki/libGL/>
> 
> It looks as if ffmpeg is trying to use your graphics card to help with
> the conversion.
> 
> libGL is unable to load a driver.  Since one of the later choices
> appears to be a pure-software driver "swrast_dri", your problem isn't
> missing hardware.
> 
> I'd guess the libgl used by ffmpeg is obsolete and out of sync with
> /usr/lib64/dri/.  Or perhaps you are using a 32-bit ffmpeg on a 64-bit
> system, or vice versa.
> 
> Have a look in /usr/lib64/dri/ and /usr/lib/dri/.  Are both populated?
> For example, on my system, I have:
> 	/usr/lib64/dri/swrast_dri.so
> 
> Did you install ffmpeg from the ubuntu repositories?  If not, it might
> be out of sync with the other components (like libGL) which do get
> updates from the ubuntu repositories.
> 
> How did you update ubuntu?  Sometimes you need to use "apt-get dist-upgrade",
> not just "upgrade".  (I'm not a Ubuntu expert.)
> 
> | From: Stephen via talk <talk at gtalug.org>
> | To: GTALUG Talk <talk at gtalug.org>
> | 
> | And help and/or advise appreciated.
> | 
> | I am using 18.4 and apply all updates.
> | 
> | I have been using ffmpeg for many years to convert file formats. I am now
> | getting errors that have me confused. Here is the command linZT==
> 

-- 
Bob Jonkman <bjonkman at sobac.com>          Phone: +1-519-635-9413
SOBAC Microcomputer Services             http://sobac.com/sobac/
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