Bug#874715: mesa Games like Counter-Strike Global Offensive dont start after upgrading mesa to 17.2.0-2

[Hillel Lubman]

Should such bugs be a blocker? Other games work fine with this Mesa. 
This stalls
migration of the package to testing for a lot of people. Just for the 
reference,
if you need a specific Mesa, you can always use older one locally 
(without touching
the system wide package) and run some game with it.

I don't think it's good to stall the package because of this for 
everyone else.
The severity here should be probably important, not grave.
Regards,
Hillel Lubman.