unity-pane+ consuming all memory

[THASTAD]

This is something that changed after upgrade from 16.04 to 16.10.
Please inform me if you need any more information.

lsb_release -rd
Description: Ubuntu 16.10
Release: 16.10

apt-cache policy unity
unity:
  Installed: 7.5.0+16.10.20160906.1-0ubuntu1
  Candidate: 7.5.0+16.10.20160906.1-0ubuntu1
  Version table:
 *** 7.5.0+16.10.20160906.1-0ubuntu1 500
        500 http://no.archive.ubuntu.com/ubuntu yakkety/main amd64 Packages
        100 /var/lib/dpkg/status

top - 09:24:10 up 4 days, 20:35, 1 user, load average: 2.94, 1.88, 1.18
Tasks: 317 total, 1 running, 316 sleeping, 0 stopped, 0 zombie
%Cpu(s): 16.7 us, 2.3 sy, 0.0 ni, 62.7 id, 18.3 wa, 0.0 hi, 0.0 si, 0.0 st
KiB Mem : 99.0/16389160 [|||||||||||||||||||||||||||||||||||||||||||||||||||| ]
KiB Swap: 23.0/14635176 [|||||||||||| ]

  PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
25656 trond 20 0 16.792g 0.014t 4944 D 105.2 90.1 606:12.14 unity-pane+

free -m
              total used free shared buff/cache available
Mem: 16005 15495 187 18 321 184
Swap: 14292 3302 10989

ProblemType: Bug
DistroRelease: Ubuntu 16.10
Package: unity 7.5.0+16.10.20160906.1-0ubuntu1
ProcVersionSignature: Ubuntu 4.8.0-27.29-generic 4.8.1
Uname: Linux 4.8.0-27-generic x86_64
.tmp.unity_support_test.0:

ApportVersion: 2.20.3-0ubuntu8
Architecture: amd64
BootLog:

CompizPlugins: [core,bailer,detection,composite,opengl,decor,compiztoolbox,vpswitch,place,gnomecompat,resize,imgpng,mousepoll,move,wall,snap,unitymtgrabhandles,regex,session,grid,animation,expo,workarounds,fade,ezoom,scale,unityshell,dbus]
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
CurrentDesktop: Unity
Date: Tue Nov 8 09:21:57 2016
DistUpgraded: 2016-10-17 08:45:31,085 ERROR got error from PostInstallScript ./xorg_fix_proprietary.py (g-exec-error-quark: Failed to execute child process "./xorg_fix_proprietary.py" (No such file or directory) (8))
DistroCodename: yakkety
DistroVariant: ubuntu
GraphicsCard:
 NVIDIA Corporation GF108GL [Quadro 600] [10de:0df8] (rev a1) (prog-if 00 [VGA controller])
   Subsystem: NVIDIA Corporation GF108GL [Quadro 600] [10de:0835]
InstallationDate: Installed on 2012-02-27 (1716 days ago)
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
MachineType: LENOVO 778327G
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.8.0-27-generic root=UUID=89fdd000-f20b-44da-a0ab-f71bd6a70803 ro quiet splash vt.handoff=7
SourcePackage: unity
UpgradeStatus: Upgraded to yakkety on 2016-10-17 (22 days ago)
dmi.bios.date: 06/10/2014
dmi.bios.vendor: LENOVO
dmi.bios.version: 9HKT58AUS
dmi.board.vendor: LENOVO
dmi.chassis.type: 7
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias: dmi:bvnLENOVO:bvr9HKT58AUS:bd06/10/2014:svnLENOVO:pn778327G:pvrThinkStationE30:rvnLENOVO:rn:rvr:cvnToBeFilledByO.E.M.:ct7:cvrToBeFilledByO.E.M.:
dmi.product.name: 778327G
dmi.product.version: ThinkStation E30
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.13.0+16.10.20160818.2-0ubuntu2
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.70-1
version.libgl1-mesa-dri: libgl1-mesa-dri 12.0.3-1ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 12.0.3-1ubuntu2
version.xserver-xorg-core: xserver-xorg-core 2:1.18.4-1ubuntu6.1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.2-1ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.7.1-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20160706-1ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.12-2
xserver.bootTime: Thu Nov 3 12:50:00 2016
xserver.configfile: default
xserver.devices:
 input Power Button KEYBOARD, id 6
 input Power Button KEYBOARD, id 7
 input Logitech Lenovo USB Optical Mouse MOUSE, id 8
 input LITE-ON Technology USB NetVista Full Width Keyboard. KEYBOARD, id 9
xserver.errors:
 Failed to load module "nvidia" (module does not exist, 0)
 Failed to load module "nvidia" (module does not exist, 0)
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.18.4-1ubuntu6.1
xserver.video_driver: nouveau