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[zlatko <zlatko23@xxxxxxxxx>]

Public bug reported:

Quite often the characters in GUI menus(e.g. WiFi dropdown, Calendar dropdown) and terminal become garbled, unreadable and/or missing. In the same time all is OK in e.g. browser. It often happens after resume, but sometimes during normal operation. After a while(1-2-...10 minutes) the problem is gone. 
Steps to take: normal Ubuntu 14.04 install
What happens: after resume or normal operation symbols is top row GUI menus become garbled and unreadable 
What should happen: graphics should be stable

$ lsb_release -rd
Description:	Ubuntu 14.04.2 LTS
Release:	14.04

$ sudo lshw -c video
[sudo] password for zlatko: 
  *-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:61 memory:f0000000-f0ffffff memory:e0000000-efffffff ioport:3000(size=64)

$ modinfo i915 | head
filename:       /lib/modules/3.16.0-45-generic/kernel/drivers/gpu/drm/i915/i915.ko
license:        GPL and additional rights
description:    Intel Graphics
author:         Tungsten Graphics, Inc.
srcversion:     73A8A491ABAC016823271D6
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*

PS. There is a bug filed(https://bugs.launchpad.net/xserver-xorg-video-
intel/+bug/1432194) but it was unproperly marked as resolved and closed,
team unsubscribed, Hence I am filing a new one.

** Affects: xserver-xorg-video-intel (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1480060

Title:
  Fonts in GUI garbled, missing characters on Lenovo X1 Carbon 3rd Gen

Status in xserver-xorg-video-intel package in Ubuntu:
  New

Bug description:
  Quite often the characters in GUI menus(e.g. WiFi dropdown, Calendar dropdown) and terminal become garbled, unreadable and/or missing. In the same time all is OK in e.g. browser. It often happens after resume, but sometimes during normal operation. After a while(1-2-...10 minutes) the problem is gone. 
  Steps to take: normal Ubuntu 14.04 install
  What happens: after resume or normal operation symbols is top row GUI menus become garbled and unreadable 
  What should happen: graphics should be stable

  $ lsb_release -rd
  Description:	Ubuntu 14.04.2 LTS
  Release:	14.04

  $ sudo lshw -c video
  [sudo] password for zlatko: 
    *-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:61 memory:f0000000-f0ffffff memory:e0000000-efffffff ioport:3000(size=64)

  $ modinfo i915 | head
  filename:       /lib/modules/3.16.0-45-generic/kernel/drivers/gpu/drm/i915/i915.ko
  license:        GPL and additional rights
  description:    Intel Graphics
  author:         Tungsten Graphics, Inc.
  srcversion:     73A8A491ABAC016823271D6
  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*

  PS. There is a bug filed(https://bugs.launchpad.net/xserver-xorg-
  video-intel/+bug/1432194) but it was unproperly marked as resolved and
  closed, team unsubscribed, Hence I am filing a new one.

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