unity-panel-service: 100% CPU load

[Adrian]

After a while, a try to access the menu bar (i.e. application menu or Ubuntu indicators in the top right corner) causes 100% CPU load of unity-panel-service and the system is not responsive for few minutes.

ProblemType: Bug
DistroRelease: Ubuntu 17.04
Package: unity-services 7.5.0+17.04.20170407.1-0ubuntu1
ProcVersionSignature: Ubuntu 4.10.0-21.23-generic 4.10.11
Uname: Linux 4.10.0-21-generic x86_64
NonfreeKernelModules: openafs
.tmp.unity_support_test.0:

ApportVersion: 2.20.4-0ubuntu4
Architecture: amd64
BootLog: /proc/self/fd/9: 28: /proc/self/fd/9: /etc/init.d/rcS: not found
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
CurrentDesktop: Unity:Unity7
Date: Fri May 19 17:39:31 2017
DistUpgraded: 2017-04-18 13:25:59,929 DEBUG icon theme changed, re-reading
DistroCodename: zesty
DistroVariant: ubuntu
DkmsStatus:
 openafs, 1.6.20, 4.10.0-20-generic, x86_64: installed
 openafs, 1.6.20, 4.10.0-21-generic, x86_64: installed
GraphicsCard:
 Advanced Micro Devices, Inc. [AMD/ATI] Venus XT [Radeon HD 8870M / R9 M270X/M370X] [1002:6821] (prog-if 00 [VGA controller])
   Subsystem: Hewlett-Packard Company Venus XT [Radeon HD 8870M / R9 M270X/M370X] [103c:2254]
InstallationDate: Installed on 2015-04-02 (778 days ago)
InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
LightdmDisplayLog:
 (II) AIGLX: Suspending AIGLX clients for VT switch
 [dix] couldn't enable device 12
LightdmLog:
 [+28960.76s] DEBUG: Seat seat0 changes active session to
 [+28967.62s] DEBUG: Seat seat0 changes active session to 20
 [+28987.18s] DEBUG: Seat seat0 changes active session to c2
 [+28987.18s] DEBUG: Session c2 is already active
MachineType: Hewlett-Packard HP ZBook 15 G2
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.10.0-21-generic root=/dev/mapper/ubuntu--vg-root ro radeon.dpm=1
SourcePackage: unity
UpgradeStatus: Upgraded to zesty on 2017-04-18 (31 days ago)
dmi.bios.date: 04/25/2016
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: M70 Ver. 01.15
dmi.board.name: 2253
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 03.12
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-Packard:bvrM70Ver.01.15:bd04/25/2016:svnHewlett-Packard:pnHPZBook15G2:pvrA3009CD10002:rvnHewlett-Packard:rn2253:rvrKBCVersion03.12:cvnHewlett-Packard:ct10:cvr:
dmi.product.name: HP ZBook 15 G2
dmi.product.version: A3009CD10002
dmi.sys.vendor: Hewlett-Packard
version.compiz: compiz 1:0.9.13.1+17.04.20170109-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.76-1
version.libgl1-mesa-dri: libgl1-mesa-dri 17.0.3-1ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 17.0.3-1ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.19.3-1ubuntu1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.5-1ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.9.0-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20170309-0ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.14-0ubuntu1
xserver.bootTime: Fri May 19 09:30:02 2017
xserver.configfile: default
xserver.errors:

xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.19.3-1ubuntu1
xserver.video_driver: radeon

[Khurshid Alam (khurshid-alam)]

Related Bug LP: #1659231

[dino99 (9d9)]

That version is now dead
http://news.softpedia.com/news/ubuntu-17-04-zesty-zapus-has-reached-end-of-life-upgrade-to-ubuntu-17-10-now-519360.shtml