The second suggestion caused X to fail to load on my system and left me with a command line only. I deleted the config file and rebooted, and X loaded correctly again.
I found that to get the default driver working, I had to use the following config:
Quote:
Section "Device" Identifier "Intel Graphics"
Driver "i915"
Option "PageFlip" "false" EndSection
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Which sets the driver to the same one that modesetting detects, but also disables PageFlip.
-- Edit ---
I've found that using the newer drivers with PageFlip disabled causes a huge increase in CPU usage, and an accompanying increase in processor temperature/fan activity.
The old driver, playing Netflix in Chrome will hover around 60°C, whereas the new one with PageFlip disabled will be around 75°C for my system at least. The other issue I have is that with PageFlip disabled, video has a far increased tearing rate, and is not so great to watch.
I have now returned to the old driver until X is updated. The only issue I have with the old driver is that the mouse cursor flickers occasionally, and moving the mouse around the screen isn't particularly smooth compared to the new driver.