Public bug reported:
Hi Guys,
I'm running Kubuntu on an Acer E1-571, that has an Intel HD 4000
graphics chip. Everything is running smoothly, except for this bug,
which causes the screen to completely freeze for 5 to 15 seconds. While
it's frozen, I can still hear the audio from whatever apps are running,
and if I press any keys (like F12 for Yakuake) their actions seem to be
performed in the background even though the screen is frozen.
It seems as though the freezes are entirely random, as the screen
sometimes freezes when the laptop isn't doing anything at all. While
the screen is frozen, the mouse cursor can freely move over the frozen
image, and even click on the buttons that are behind it, though you have
to wait for it to unfreeze to see what you clicked on.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: xorg 1:7.7+1ubuntu8
ProcVersionSignature: Ubuntu 3.13.0-18.38-generic 3.13.6
Uname: Linux 3.13.0-18-generic x86_64
ApportVersion: 2.13.3-0ubuntu1
Architecture: amd64
CurrentDesktop: KDE
Date: Thu Mar 20 18:26:37 2014
ProcEnviron:
LANGUAGE=en_ZA:en
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_ZA.UTF-8
SHELL=/bin/bash
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug trusty
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which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1295233
Title:
Display freezes for a few seconds
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