Public bug reported:
Binary package hint: xserver-xorg-video-intel
I am using a Sony TX2 laptop which is shipped with Intel 915 onboard graphic. I
have checked the new Intel driver with the second Ubuntu Gutsy Live CD (Tribe
3) which is shipped with the xserver-xorg-video-intel (2:2.1.0-1ubuntu1) driver
and Xorg 7.3 git. It works fine with my external monitor (1680x1050) if I
change the driver from "i810" to "intel" in xorg.conf but it doesn't shut down
the LFP like the old i810-modesetting driver. It always show an extract of the
external on the LFP (1366x768). It is possible with xrandr to disable LFP
(xrandr --output LVDS --off) but Video watching or 3D animations are still
impossible because of huge lags and displaced output. It seems that the monitor
was disabled but the graphic card doesn't realized that. I don't have this
problems with videos with i810-modesetting since this disables the monitor in
xorg.conf with MonitorLayout.
But since i810-modesetting couldn't display my native laptop resolution I have
to switch between the standard i810 driver (the Feisty intel driver couldn't
display 1366x768 too) and modesetting everytime I want to use the external or
the internal.
** Affects: xorg-server (upstream)
Importance: Unknown
Status: Unknown
** Affects: xserver-xorg-video-intel (Ubuntu)
Importance: Undecided
Status: New
** Bug watch added: Freedesktop Bugzilla #11722
https://bugs.freedesktop.org/show_bug.cgi?id=11722
** Also affects: xorg-server (upstream) via
https://bugs.freedesktop.org/show_bug.cgi?id=11722
Importance: Unknown
Status: Unknown
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[gutsy] animations and video watching aren't possible with an external monitor
on an Intel laptop
https://bugs.launchpad.net/bugs/129025
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