Hazardous displays when coming back from sleep state
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
unity (Ubuntu) |
New
|
Low
|
Unassigned |
Bug Description
Conditions:
- Use the Unity desktop environment.
- in the upper bar the display of the seconds must be enabled
(in my case the entire date-and-time is displayed, excepted the week number);
- system is set to automatically go into sleep state after the selected delay
(in my case the option "lock the keyboard" is not enabled).
On awakening, for example by using the shift touch, parts of the screen are blinking according to 1 second rate and 3 seconds cycle.
Coming back to normal behavior needs to close and re-open windows.
To help to reproduce:
- edit a message with thunderbird;
- select ubuntu "parameters";
- select "Luminosité & verrouillage" ("Brightness & keyboard locking"?);
- select "1 minute";
- wait 1 minute and going into sleep state;
- when in sleep state press the "shift" key;
and then I have a blinking "Christmas tree", too complicated to be described.
I tested it again 3 times why writing this post (firefox had also an opened window, under thunderbird; with firefox alone, the screen blinks only one time -should also not-).
WORKAROUND: When the seconds are not displayed in the upper bar there is no problem.
WORKAROUND: Use GNOME Flashback (Metacity) session.
---
.tmp.unity_
ApportVersion: 2.20.1-0ubuntu2.15
Architecture: amd64
CompizPlugins: No value set for `/apps/
CompositorRunning: compiz
CompositorUnred
CompositorUnred
CurrentDesktop: Unity
DistUpgraded: Fresh install
DistroCodename: xenial
DistroRelease: Ubuntu 16.04
DistroVariant: ubuntu
ExtraDebuggingI
GraphicsCard:
Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0156] (rev 09) (prog-if 00 [VGA controller])
Subsystem: Toshiba America Info Systems 3rd Gen Core processor Graphics Controller [1179:fb31]
InstallationDate: Installed on 2017-06-29 (223 days ago)
InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2)
MachineType: TOSHIBA SATELLITE PRO C850-1GR
Package: xorg 1:7.7+13ubuntu3
PackageArchitec
ProcKernelCmdLine: BOOT_IMAGE=
ProcVersionSign
Tags: xenial ubuntu compiz-0.9
Uname: Linux 4.13.0-32-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 10/01/2013
dmi.bios.vendor: Insyde Corp.
dmi.bios.version: 6.80
dmi.board.
dmi.board.name: PLCSF8
dmi.board.vendor: Intel
dmi.board.version: Type2 - Board Version
dmi.chassis.
dmi.chassis.type: 10
dmi.chassis.vendor: OEM Chassis Manufacturer
dmi.chassis.
dmi.modalias: dmi:bvnInsydeCo
dmi.product.family: Type1Family
dmi.product.name: SATELLITE PRO C850-1GR
dmi.product.
dmi.sys.vendor: TOSHIBA
version.compiz: compiz 1:0.9.12.
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.83-1~16.04.1
version.
version.
version.
version.
version.
version.
version.
version.
Pierre Wilch, thank you for reporting this and helping make Ubuntu better.
Could you please run the following command once from a terminal by ensuring you have the package xdiagnose installed, and that you click the Yes button for attaching additional debugging information:
apport-collect 1739322
When reporting xorg related bugs in the future, please do so via the above method. You can learn more about this functionality at https:/ /wiki.ubuntu. com/ReportingBu gs.