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Message #105065
[Bug 1220426] Re: [nvidia-prime]Freeze while using touchpad
Okay, I got a lot further this time. Instead of
sudo apt-get build-dep xorg-server
I used
sudo apt-get build-dep xorg-server-lts-utopic
That installed a bunch of additional packages. When I executed the
"sudo fakeroot debian/rules binary" command it ran for a few minutes,
spit out thousands of lines of output, and appeared to compile dozens or
hundreds of modules. However it got to a point where it failed with
the following messages:
dh_shlibdeps
sed -i 's/libgl1-mesa-glx /libgl1-mesa-glx-lts-utopic /' -i debian/xserver-xorg-core-lts-utopic.substvars
sed: can't read debian/xserver-xorg-core-lts-utopic.substvars: No such file or directory
make[1]: *** [binary-deb] Error 2
Any suggestions of how to get past this?
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https://bugs.launchpad.net/bugs/1220426
Title:
[nvidia-prime]Freeze while using touchpad
Status in X.Org X server:
Fix Released
Status in xorg-server package in Ubuntu:
Triaged
Bug description:
Using Asus N43SL laptop as an example, with nvidia-prime installed, so
the dedicated NVIDIA graphics card (GT 540m) is in use, once in a
while, my screen will freeze when I use my touchpad.
WORKAROUND: Use USB mouse.
WORKAROUND: Uninstall nvidia-prime and use integrated graphics.
WORKAROUND: Do a VT switch via Ctrl+Alt+F1 then Ctrl+Alt+F7.
In the attached Xorg.0.log, you can see "synaptics: ETPS/2 Elantech Touchpad: touchpad found" each time I did a VT switch and regained control:
https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1220426/+attachment/3801516/+files/Xorg.0.log
The following upstream report has a patch that addresses this issue:
https://bugs.freedesktop.org/show_bug.cgi?id=86288
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