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
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