** Changed in: xorg (Ubuntu)
Importance: Undecided => High
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https://bugs.launchpad.net/bugs/1579319
Title:
Text missing in GTK+ applications after suspend
Status in xorg package in Ubuntu:
Confirmed
Bug description:
Occasionally when resuming from suspend, text is randomly missing in
GTK+ applications. Chrome and QT apps are unaffected. In my case it
doesn't occur very frequently, perhaps once a week at most. I
typically suspend my system every day and only reboot once or twice a
month.
It's not clear what is causing the problem. Based on the symptoms and
similar bug reports, it seems most likely a problem with xorg and/or
xserver-xorg-video-intel. It appears to be a new bug with 16.04 as I
never experienced this in 15.10.
I've noticed that the amount of missing text seems to vary depending
on the font and font size. Some fonts/sizes seem to be okay, while
with others there is no text on screen at all.
Font rendering settings also appear have an effect. The problem is
only visible with slight hinting and RGB sub pixel order. Disabling
anti-aliasing or changing either the hinting or sub pixel order to
anything else immediately renders all characters normally.
Switching to a virtual terminal and back again fixes the problem
(Ctrl+Alt+F1 then Ctrl+Alt+F7), as does restarting Xorg or logging
out.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: xorg 1:7.7+13ubuntu3
ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6
Uname: Linux 4.4.0-21-generic x86_64
ApportVersion: 2.20.1-0ubuntu2
Architecture: amd64
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
CurrentDesktop: XFCE
Date: Sat May 7 12:39:24 2016
DistUpgraded: Fresh install
DistroCodename: xenial
DistroVariant: ubuntu
GraphicsCard:
Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller
[8086:2a42] (rev 07) (prog-if 00 [VGA controller])
Subsystem: Acer Incorporated [ALI] Mobile 4 Series Chipset Integrated
Graphics Controller [1025:013c]
Subsystem: Acer Incorporated [ALI] Mobile 4 Series Chipset Integrated
Graphics Controller [1025:013c]
InstallationDate: Installed on 2016-04-23 (13 days ago)
InstallationMedia: Xubuntu 16.04 LTS "Xenial Xerus" - Release amd64
(20160420.1)
MachineType: Acer Extensa 5230
PccardctlIdent:
Socket 0:
no product info available
PccardctlStatus:
Socket 0:
no card
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-21-generic
root=UUID=ba619ff4-ea0b-4b58-aa61-e79a3e7e7c1b ro quiet splash vt.handoff=7
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/02/2009
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: V1.28
dmi.board.name: Homa
dmi.board.vendor: Acer
dmi.board.version: Rev
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnPhoenixTechnologiesLTD:bvrV1.28:bd02/02/2009:svnAcer:pnExtensa5230:pvr0100:rvnAcer:rnHoma:rvrRev:cvnAcer:ct10:cvrN/A:
dmi.product.name: Extensa 5230
dmi.product.version: 0100
dmi.sys.vendor: Acer
version.compiz: compiz N/A
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.67-1
version.libgl1-mesa-dri: libgl1-mesa-dri 11.2.0-1ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 11.2.0-1ubuntu2
version.xserver-xorg-core: xserver-xorg-core 2:1.18.3-1ubuntu2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.1-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.7.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20160325-1ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:1.0.12-1build2
xserver.bootTime: Wed May 4 02:12:16 2016
xserver.configfile: default
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
product id 15105
vendor LPL
xserver.version: 2:1.18.3-1ubuntu2
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