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Bug#657552: plasma-desktop: Screen sometimes starts to flicker when mouse coursor is moved to the left edge. Restart of X doesn't help



Package: plasma-desktop
Version: 4:4.6.5-4
Severity: important

Dear Maintainer,

The problems occurs only sometimes. I was never able to trigger it, however
my wife experience it very often.
When she moves the mouse cursor to the left edge of the screen, when working
in plasma-dekstop, the screen starts to flicker.
Restart of X (e.g. via /etc/init.d/kdm stop; /etc/init.d/kdm start ) doesn't
help.
I attach the output of intel_gpu_dump generated when screen was flickering
(I run "sleep 5; intel_gpu_dump > flicker" on the text console, and then
quickly switched to the X screen)

-- System Information:
Debian Release: wheezy/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: i386 (i686)

Kernel: Linux 3.1.8 (SMP w/2 CPU cores)
Locale: LANG=pl_PL.UTF-8, LC_CTYPE=pl_PL.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages plasma-desktop depends on:
ii  kdebase-runtime           4:4.6.5-1+b1
ii  libc6                     2.13-24
ii  libkcmutils4              4:4.6.5-2+b1
ii  libkdecore5               4:4.6.5-2+b1
ii  libkdeui5                 4:4.6.5-2+b1
ii  libkephal4abi1            4:4.6.5-4
ii  libkfile4                 4:4.6.5-2+b1
ii  libkidletime4             4:4.6.5-2+b1
ii  libkio5                   4:4.6.5-2+b1
ii  libknewstuff3-4           4:4.6.5-2+b1
ii  libktexteditor4           4:4.6.5-2+b1
ii  libkworkspace4            4:4.6.5-4
ii  libplasma3                4:4.6.5-2+b1
ii  libplasmagenericshell4    4:4.6.5-4
ii  libqt4-dbus               4:4.7.3-5
ii  libqt4-xml                4:4.7.3-5
ii  libqtcore4                4:4.7.3-5
ii  libqtgui4                 4:4.7.3-5
ii  libsolid4                 4:4.6.5-2+b1
ii  libstdc++6                4.6.2-11
ii  libtaskmanager4abi1       4:4.6.5-4
ii  libx11-6                  2:1.4.4-4
ii  libxext6                  2:1.3.0-3
ii  plasma-widgets-workspace  4:4.6.5-4

Versions of packages plasma-desktop recommends:
ii  kdebase-workspace  4:4.6.5-4

plasma-desktop suggests no packages.

-- no debconf information

Attachment: flicker.gz
Description: GNU Zip compressed data


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