Users with Intel HD graphics: is your glx working?

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http://crunchbang.org – I discovered something yesterday which I've been able to solve. Still, I'd like to know how and why my system had this issue, so I'd like to ask people here to check whether or not their glx (direct rendering) is working.I was messing around with the new Firefox 18 and landed on a site that told me hardware acceleration was not available on my system. I thought that was strange, as I have a beefy system (though I do use Intel graphics).After a lot of searching, I finally managed to track down the problem. It turns out glx was not working on my system. I found this out by using t (HowTos)