*** This bug is a duplicate of bug 1780664 ***
https://bugs.launchpad.net/bugs/1780664
** This bug has been marked a duplicate of bug 1780664
Recent libgl-mesa graphics update prevents drop down list menu appearing in
apps like firefox three line/bar menu icon
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You received this bug no
In that case please start by trying older versions of mesa to see if
that caused the problem.
I would hazard a guess that downgrading to the previous version:
https://launchpad.net/ubuntu/+source/mesa/17.2.8-0ubuntu0~16.04.1
might fix the problem...?
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You received this bug notification becaus
I don't use apport infrastructure because I always uninstall such things
("security" etc) after installation of Ubuntu, which makes it boot about
20 times faster (0.9 seconds vs 15 seconds).
However, I am a Linux kernel developer with more than 20 years'
experience, so I am sure I can provide all
