Public bug reported:
Bug
Incorrect character rendering on Intel Mobile 4 Series Chipset Integrated
Graphics Controller
Ubuntu 13.10, with frequent updates (weekly at least).
uname: Linux x 3.11.0-18-generic #32-Ubuntu SMP Tue Feb 18 21:11:14 UTC 2014
x86_64 x86_64 x86_64 GNU/Linux
/proc/cmdline: BOOT_IMAGE=/boot/vmlinuz-3.11.0-18-generic root=UUID=... ro
quiet splash vt.handoff=7
Video driver used:
ii xserver-xorg-video-intel 2:2.99.904-0ubuntu2.1
amd64 X.Org X server -- Intel i8xx, i9xx display driver
lshw extract:
description: Notebook
product: 20553AG ()
vendor: LENOVO
version: ThinkPad T500
...
*-display:0
description: VGA compatible controller
product: Mobile 4 Series Chipset Integrated Graphics Controller
vendor: Intel Corporation
physical id: 2
bus info: pci@0000:00:02.0
version: 07
width: 64 bits
clock: 33MHz
capabilities: msi pm vga_controller bus_master cap_list rom
configuration: driver=i915 latency=0
resources: irq:46 memory:f4400000-f47fffff
memory:d0000000-dfffffff ioport:1800(size=8)
*-display:1 UNCLAIMED
description: Display controller
product: Mobile 4 Series Chipset Integrated Graphics Controller
vendor: Intel Corporation
physical id: 2.1
bus info: pci@0000:00:02.1
version: 07
width: 64 bits
clock: 33MHz
capabilities: pm bus_master cap_list
configuration: latency=0
resources: memory:f4200000-f42fffff
As shown on middle of screenshot, occasionaly some character are incorrectly
rendered. If repaint action is triggered
(e.g. selecting text, or somethign similar, depending on application),
character is repainted correctly.
** Affects: xserver-xorg-video-ati (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "part of screenshot showing incorrectly rendered character"
https://bugs.launchpad.net/bugs/1290789/+attachment/4017962/+files/screenshot_detail_with_garbled_character.png
--
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which is subscribed to xserver-xorg-video-ati in Ubuntu.
https://bugs.launchpad.net/bugs/1290789
Title:
Incorrect character rendering on Intel Mobile 4 Series Chipset
Integrated Graphics Controller
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