This is a kernel issue specifically with vblank interrupts and also
affects acer AOA110/AOA150 models. it can be worked around with
nohz=off, disabling the hyperthreaded CPU on the atom or by saving this
to ~/.drirc to disable vblank
<driconf>
<device screen="0" driver="dri2">
<application name="Default">
<option name="vblank_mode" value="0" />
</application>
</device>
</driconf>
** Package changed: xserver-xorg-video-intel (Ubuntu) => linux (Ubuntu)
** Changed in: linux (Ubuntu)
Status: New => Confirmed
--
Jerky OpenGL on intel 945GSE, better when touching the trackpad
https://bugs.launchpad.net/bugs/638813
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which is subscribed to xserver-xorg-video-intel in ubuntu.
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