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  • As I have Intel 945GM video card, I need to install "xserver-xorg-video-intel" package, but why exactly is this needed? I mean at the moment, according to "lspci -vvv", I use i915.ko driver and it's able to show the picture. Or is the performance lot better with intel_drv.so driver which will be installed with "xserver-xorg-video-intel" package? Or is it a problem for xserver if the driver module runs in kernel space? Commented May 11, 2014 at 22:22
  • Although Intel graphics chipsets are now plug-n-play, it is recommended mainly for performance, in terms of video tearing, maximum resolution, etc. For example, the intel_drv.so driver particularly uses a Triple Buffering for vertical synchronization, this allows for full performance and avoids tearing. It also provides module-based powersaving options. Commented May 12, 2014 at 3:30
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    I think you might be confusing the Xorg driver with the kernel driver. Different requirements, different drivers, work best (and sometimes only) if used together matching. Commented Jun 22, 2014 at 18:42
  • Nice, I didn't know about no-install-reccomends, besides issues changing hardware there's some other side-effect? On upgrades/dist-upgrade for example? Commented Jul 30, 2015 at 15:38
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    I had to install xinit as well to get the xserver to start Commented Jan 31, 2016 at 1:46