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[Moritz Reiter <1432194@xxxxxxxxxxxxxxxxxx>]

I have to agree with Bernd and John. The problems I'm experiencing to my
understanding match the description of this report and the many
screenshots people attached here perfectly. And they persist with the
most current packages in the official repositories. It may be due to a
lack of technical understanding on my side, but I don't understand how
this issue could be regarded as resolved.

People already reported that the rendering and font issues don't occur
in 15.04. But I'm using LTS for a reason. And it's not like Intel's HD
5500 would be some obscure, negligible piece of hardware.

But if for whatever reason this issue should not be regarded as
important enough to get further investigation, it would be nice to know,
just to make an informed decision. Because in that case I would probably
prefer switching to 15.04.

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to xserver-xorg-video-intel in Ubuntu.
https://bugs.launchpad.net/bugs/1432194

Title:
  Graphics unstable on Ubuntu 14.04 and 14.10 using Intel HD Graphics
  5500

Status in The Linux Kernel:
  New
Status in xserver-xorg-video-intel package in Ubuntu:
  Fix Released
Status in xserver-xorg-video-intel source package in Utopic:
  Incomplete

Bug description:
  Trying to achieve: Get a more stable graphics environment up and
  running

  Steps to take:  basic ubtuntu 14.04 install.  Boot up and run for a
  few minutes and then ...

  What happens: After running for a few minutes the graphics gets
  flacky.

  What should happen:  Graphics should not get flaky.

  I have just installed ubuntu 14.04 on my new thinkpad t450s.
  Everything basically works, but something is very flaky about my
  keyboard or display or both.  After running for awhile some apps
  (E.g., thunderbird and sometimes emacs for example) will display
  garbage.  If I refresh by moving the screen around or changing
  buffers/tabs/etc. they can often recover.

  I see that there is an [Intel(R) Graphics Installer for Linux*
  1.0.7](https://01.org/linuxgraphics/downloads/2014/intelr-graphics-
  installer-linux-1.0.7). I am leery about just loading this and running
  it.  Any suggestions about how I should proceed?

      $ sudo lshw -c video
        *-display
             description: VGA compatible controller
             product: Broadwell-U Integrated Graphics
             vendor: Intel Corporation
             physical id: 2
             bus info: pci@0000:00:02.0
             version: 09
             width: 64 bits
             clock: 33MHz
             capabilities: msi pm vga_controller bus_master cap_list rom
             configuration: driver=i915 latency=0
             resources: irq:63 memory:e0000000-e0ffffff memory:d0000000-dfffffff ioport:3000(size=64)
      $ modinfo i915 | head
      filename:       /lib/modules/3.16.0-31-generic/kernel/drivers/gpu/drm/i915/i915.ko
      license:        GPL and additional rights
      description:    Intel Graphics
      author:         Tungsten Graphics, Inc.
      srcversion:     9929027A8A6F05972AD6986
      alias:          pci:v00008086d000022B3sv*sd*bc03sc*i*
      alias:          pci:v00008086d000022B2sv*sd*bc03sc*i*
      alias:          pci:v00008086d000022B1sv*sd*bc03sc*i*
      alias:          pci:v00008086d000022B0sv*sd*bc03sc*i*
      alias:          pci:v00008086d0000162Dsv*sd*bc03sc*i*
      $ uname -a
      Linux mypad 3.16.0-31-generic #43~14.04.1-Ubuntu SMP Tue Mar 10 20:13:38 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

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