I can confirm that this bug is fixed with
2:2.99.914-1~exp1ubuntu4.5~trusty1 of xserver-xorg-video-intel-lts-
utopic
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https://bugs.launchpad.net/bugs/1432194
Title:
Graphics unstable
I'm still seeing issues on 14.04.
I have the latest kernel - 3.16.0-38-generic
Symptoms are the same as before:
Use sna in the X11 conf.
Attach an external monitor.
Run for a while and you'll see characters start disappearing and title bars
corrupted.
Opening google earth seems to make things go
I still see the same problem with 3.16.0-38-generic.
Seems less prevalent but coming back after lunch, and I see the font corrupt as
before.
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I just updated my 14.04 install to 3.16.0-37-generic.
And although the occurrence of rendering issues seems to have reduced, they are
still there.
To reproduce easily, open up google earth, do some zooming around in there,
then start doing some alt-tab and moving windows around.
You can see the
Hello Ubuntu people??
Is anyone listening???
14.04 is currently a pile of crap on broadwell laptops.
Is anyone looking?
Or is LTS just lip service?
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I just updated my 14.04 to 3.16.0-36-generic
And now ubuntu fails to boot unless I select the recovery option.
And then I can start unity but it doesn't display on the connected monitor,
just the laptop screen.
If I drop back to 3.16.0-34-generic I can boot as normal and the connected
monitor
Still no fix for this issue.
It would be awesome to enable the sna driver to improve graphics performance.
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Title:
Graphics unstable on Ubuntu
Noticeably slower than sna when alt-tab'ing between applications.
But better than corrupted text and/or graphics.
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Title:
Graphics unstable on
I see similar to this on a Dell E7450.
Symptoms include:
- title bar corruption (title_bar_corruption.png)
- incorrectly rendered fonts
- incorrectly spaced fonts (similar to screenshot here -
http://askubuntu.com/questions/594451/14-04-thinkpad-t450-text-getting-messed-up-on-large-screens)
As per the comment from John doe, switching the intel X11 driver
AccelMethod to uxa fixed the problem for me.
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Title:
Graphics unstable on
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