Comment 21 for bug 1408593

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Joseph Salisbury (jsalisbury) wrote : Re: X server disables acceleartion or turns off output (makes screen black) after kernel upgrade to v3.18 (Ubuntu Vivid)

Thanks for testing. We can perform a "Reverse" bisect to identify the commit that fixes this in 3.19. First, can you also test the latest 3.18 upstream kernel to see if it already has the fix? It can be downloaded from:

http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.18.2-vivid/