I just updated from 14.04 to 16.04 on a spare laptop I keep around, and
hit this.
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Title:
Compiz CPU usage dramatically increased in Ubuntu
Having the same problem on a late-2013 Macbook Retina Pro running Ubuntu
17.04 Zesty and previous versions.
Seem to have got a fix with:
1 CCSM General - OpenGL - 'uncheck the "Sync to VBlank" option' and
2 CCSM Desktop - Ubuntu Unity Plugin - check Enable Low Graphics Mode
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@komali2: have you tried enabling the low graphics mode? There are
instructions here: https://www.whizzy.org/2016/09/unity-7-low-graphics-mode/
Regards,
Stephane
On Thu, Apr 6, 2017 at 8:29 PM, komali2 <1293...@bugs.launchpad.net>
wrote:
> I am having the exact issues described in Ubuntu 16.04
I am having the exact issues described in Ubuntu 16.04 on a 2014 Macbook
Pro (not in a VM).
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Title:
Compiz CPU usage dramatically increased in
on 14.04 with a high end nvidia GPU , since one of the latest updates ,
compiz goes to 100%, and my desktop goes black
losing all my work at least once a day , not fun at all!
such compiz issues has been plaguing ubuntu since version 10 , which is
why i wait for the last minute to upgrade , but
I do not get this issue when I run 14.04.3 within a VM on a new iMac.
But when running it on an 8 year old home built server for LTSP I'm
still experiencing the issue with all updates installed.
I'll be trying the drivers mentioned in #65 later today.
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Thank you all for the relevant information. Are you experiencing this
problem with unity or with other desktop like mate as well? I am
installing the affected Ubuntu versions on a vm to reproduce the issue
and investigate the problems further.
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In Trello: https://trello.com/c/nYVpdLJm
** Changed in: compiz
Status: Fix Released => Triaged
** Changed in: compiz
Status: Triaged => Confirmed
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Affects 16.04 as well
I paste my info:
pam@Pjira:~$ lspci -nnk | egrep -i
'3d|aphics|display|nouveau|nvidia|radeon|trident|vesa|vga'; uname -a; Xorg
-version; sudo apt-get update; sudo apt-get install mesa-utils hardinfo fbset
nux-tools; sudo fbset -i; apt-cache show xserver-xorg | grep
Any solution for ubuntu 15.10 ?
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Title:
Compiz CPU usage dramatically increased in Ubuntu 14.04
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Upgrade to oibaf drivers (as mentioned upper) slightly reduce problem.
To upgrade:
sudo add-apt-repository ppa:oibaf/graphics-drivers
sudo apt-get update && sudo apt-get upgrade
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** Changed in: compiz
Status: Triaged => Fix Released
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Title:
Compiz CPU usage dramatically increased in Ubuntu 14.04
To manage
I tried the oibaf ppa drivers as this was mentioned as part of one of
the many old workarounds
graham@OptiPlex-GX620:~$ sudo lshw -C video -C cpu
*-cpu
product: Intel(R) Pentium(R) 4 CPU 2.80GHz
vendor: Intel Corp.
physical id: 0
bus info: cpu@0
also new for me on 15.10, no problems on 15.04.
none of the workarounds help for me either
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Title:
Compiz CPU usage dramatically increased in
after 15.10 ugrade I got this issue as well.. and seems nothing from
above helps.
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Title:
Compiz CPU usage dramatically increased in Ubuntu
happened to me at 15.10 Wily
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Title:
Compiz CPU usage dramatically increased in Ubuntu 14.04
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** Changed in: compiz (Ubuntu)
Milestone: None => ubuntu-16.04
** Tags removed: rls-x-incoming
** Tags added: compiz
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Title:
Compiz CPU
** Tags removed: rls-w-incoming
** Tags added: rls-x-incoming
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Title:
Compiz CPU usage dramatically increased in Ubuntu 14.04
To manage
Just sharing my thoughts for those battling with compiz cpu and/or memory usage
on Ubuntu 14.04:
Not only compiz in Ubuntu 14.04/Trusty consumes CPU it was also taking
significant memory of the order of 150M on my low-end hw laptops.
For me Ubuntu 14.04.1+ gnome flashback session with metacity
Forgot to add above: 160-200M compiz memory usage may not be significant
on most laptops with 2G-4G RAM but if you are starved on memory i.e
running some other critical apps etc this may be the case. CPU usage
with some settings adjustments via compiz settings is ok (0.3%)
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I though i should share this here, since i was plagued with this bug on
Ubuntu 15.04. No matter what i was doing, if i moved a window around,
the cpu usage of xorg skyrocketed to 100%.
Nothing worked for me. But then i found a solution: Just go to compiz
settings -- Windows Management -- Move
** Tags added: rls-w-incoming
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Compiz CPU usage dramatically increased in Ubuntu 14.04
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@mr-l-gauthier: Thank you, it was exactly the culprit.
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Compiz CPU usage dramatically increased in Ubuntu 14.04
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This issue has been killing the battery of my laptop with 15.04 install.
Not only is compiz using way more CPU than it should, but it also
causing Xorg to undergo a lot of activity totalling more than 100% of a
CPU core on my Core i5 laptop. Needless to say that battery life was
disastrous.
Now
PID USER PR NIVIRTRESSHR S %CPU %MEM TIME+ COMMAND
3388 tteikhua 20 0 1895044 345972 63084 S 106.7 0.0 20:06.68 compiz
PID USER PR NIVIRTRESSHR S %CPU %MEM TIME+ COMMAND
3388 tteikhua 20 0 1895044 345972 63084 S 127.4
I only have a real compiz issue when I use Firefox. Nothing when I use Chrome.
I am pulling 3 * 32 inch Samsung monitors.
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Title:
Compiz CPU
Does anyone know whether this might effect ubuntu-mate ? I am thinking
about switching over to something else until this blows over.
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For Compiz Developers, I think there is some trouble with Window
Previews. I am sure, there is something related to that which causes a
BOD.
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Weelll Said Peter Goudman.
Compiz Alone is destroying all the goodwill earned so far by Ubuntu. I
am always ready to hit that reset button to get out of that black screen
lockup happening quite often, specially when you have a lots of windows
open. If you have any Docks(even plan is pretty bad
Here is my two cents:
I had the same problem. I did what #15 (
https://bugs.launchpad.net/compiz/+bug/1293384/comments/15 ) suggested
and, so far, I only have a spike periodically (primarily when I do
anything with the windows and when I switch workspaces).
I did not do the part about editing
I have a similar problem, my enviroment:
$ /usr/lib/nux/unity_support_test -p
OpenGL vendor string: X.Org
OpenGL renderer string: Gallium 0.4 on AMD TURKS
OpenGL version string: 3.0 Mesa 10.1.3
Not software rendered:yes
Not blacklisted: yes
GLX fbconfig: yes
GLX
Changing UNITY_LOW_GFX_MODE=1 helped in my specific case. I opened a
new bug to give this a config option:
https://bugs.launchpad.net/compiz/+bug/1412937
If you're just joining this bug, did
https://bugs.launchpad.net/compiz/+bug/1293384/comments/15 help you?
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Similar problem here. Seeing 50% CPU when running Chromium. Using
fglrx, because FOSS drivers gave horrid responsiveness and bad video
corruption at login screen and while watching video. However, I am not
using 14.04 LTS in a virtual machine. I am using it in a Wubi install,
however, until I
Same problem here, ubuntu 14.04
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Compiz CPU usage dramatically increased in Ubuntu 14.04
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Same problem on Parallels 10 with 3D acceleration off. Recent update
broke 3D acceleration and I had to drop disable, now I have high CPU.
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Same problem here, dual 4-core xeon processors in 1u server... 50% CPU
load on compiz with no windows open. Might switch away from Unity.
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I also have this problem, Ubuntu 14.04 64-bit, Unity, under a VirtualBox
instance. Most of the time it runs acceptable, but when another process
is running (which updates the screen, like a simple timer on PgAdmin3
while running a query), the memory+cpu usage goes through the roof.
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Same here, on a desktop with 14.04 64 bit with default DE (Unity), using
a gtx 260 with the recommended proprietary and tested driver, with all
updates, using 2 external monitors.
I've tried turning off features/special effects in compiz to see if
there was any change but the problem still
Affects me too (14.04 LTS running on VMWare Workstation
8.0.6.build-1035888)
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Compiz CPU usage dramatically increased in Ubuntu 14.04
To
affects me too, 14.04 LTS
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Same problem here, ubuntu 14.04
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I meant Metacity does not have window previews available in Flashback.
Sorry for the typo in previous message, could not edit it after posting.
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Alan Lord : The trouble with using metacity is has window previews. I
also do not like its Alt Tab behaviour of highlighting window borders of
the current window in alt tab list.
That is the only reason why I am sticking with compiz.
I don't think is anything else out there which has Window
Nothing I've tried seems to resolve the issue.
I've now installed gnome-session-flashback and run the Metacity variant
which is working fine.
When running Unity compiz eats 100% cpu most of the time... Drag a
window and it shoots up. Moving windows around the screen is unusable.
# sudo lshw -C
I assume this bug (or
https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/1268146 which sounds
the same to me) is why I cannot use 14.04 on my (ancient) Dell Dimension
3000.
It used to run 12.04 fine but with 14.04 it is unusably slow. Compiz
runs at least 25% of the CPU when nothing is being
Since an update this morning all has been OK on 14.04. But this morning
my load average is running at 4 mostly and it's almost all compiz.
System has become very slow.
Can I fallback to a simpler display system for the time being? - I need
this for work...
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Actually I moved from Ubuntu Unity to Lubuntu (14.04.1 LTS) and it
works just fine. Missing old version 12.04 LTS of Ubuntu Unity...
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OK,
I did som investigation, and it seems like even for the slightest change
in a window, like a cursor blink, compiz performs a fullscreen
swapbuffer, and in the case of multiple monitors, compiz performs a
swapbuffer that spans all the monitors.
I tried to install ccsm and disable all tweaks
I fumbled around with Nvidia drivers and this black screen issue for two
days. And I fell into this pit because of the 14.04 upgrade from 12.04.
Grrr!
The original issue I was trying to resolve was the high cpu utilization
of firefox, compiz Xorg which made the graphics fairly unusable. After
All was cool with 12.04. I should never have upgraded but there you.
nice top shows compiz and Xorg with cpu utilization in the 30s. Very
unusable. G
I have the following from the lshw command:
description: Mini Tower Computer
product: OptiPlex GX270
If any other details are
All was cool with 12.04. I should never have upgraded but there you.
nice top shows compiz and Xorg with cpu utilization in the 30s. Very
unusable. G
I have the following from the lshw command:
description: Mini Tower Computer
product: OptiPlex GX270
If any other details are
Everything worked fine in 12.04 TLS, now I can't view movies properly
because of distortions (both online video and files from my drive),
compiz uses about 40% of CPU. Any help?
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Not a power user here, but I know when my machine is stammering while
silent. System monitor revealed 45% cpu usage idling on the desktop.
Moving cursor pushes it to 100%. Ran 11.4 previously, but support ran
out and things started to fall apart. 14.04 is only OS on drive that ran
11.4 and xp
I've been running 14.04 for a few days now and the cpu usage at idle
hovers between 22-45% ,about 95% with chromium open, 50% with nautilius,
90% WITH DASH for gods sake, 60% with compiz and about 85% with ubuntu
tweak running. And the lag was so horrible i had to disable almost all
animations and
OK I think the problem is much worse than I originally thought. Even
moving around the mouse causes massive CPU usage.
For example, launch Nautilus, and move the mouse around inside it for
15-20 seconds or so. CPU usage jumps to 25% each for Xorg and nautilus,
and 15% for compiz. Similar results
Thomas, I'm also having Xorg/compiz CPU usage issues for which I
submitted bug report, and I was wondering if you could follow the steps
I outlined and see if you get similar results:
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1337749
Basically on a fresh boot, launch top in a terminal
I'm running 64-bit Ubuntu 14.04 Desktop on a Fujitsu Siemens Amilo Si
2636 notebook. Just in this moment Compiz eats up 150% of CPU (Core 2
DUO) with only one Firefox window and tab opened. I can only type one
char per second. Scrolling down a website needs up to ONE minute. The
Battery runtime
Another environment where this happens is multi-seat using a USB-to-VGA
display controllers.
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Title:
Compiz CPU usage dramatically increased in
OK, So I've finally been able to do a bit of testing with Ubuntu 14.04
If run without 3d support on llvmpipe, it's very CPU-hungry. A bit more
so than Ubuntu 13.04 AFAICT. For Ubuntu on VMware this becomes
troublesome primarily on ESX, but the problems were introduced with the
drop of Unity 2D. I
I am running Ubuntu 14.04 on bare metal, and yet compiz is eating CPU and
desktop effects are slow IF the cpu loaded with something, even if the load is
niced. I've tried the UNITY_LOW_GFX_MODE=1 compiz setting above and it makes no
difference.
I am running stock intel drivers on Haswell
Thomas, one thing you can do to disable some of the unity effects when not
running on sw-renderer, is to run unity with:
COMPIZ_CONFIG_PROFILE=ubuntu UNITY_LOW_GFX_MODE=1 compiz --replace
Other optimizations we could do in that case are:
1) Disabling the compiz live-resize (it shouldn't
Thanks. I'm still investigating the impact when run on our ESX software-based
GPU.
For the settings
COMPIZ_CONFIG_PROFILE=ubuntu UNITY_LOW_GFX_MODE=1 compiz --replace
Is it possible (for an average user) to easily make these part of the
login procedure?
Thanks,
Thomas
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We might include a setting to control this value, if requested, but for
now the easier way to get this enabled at login time is:
sudo gedit /usr/share/gnome-session/sessions/ubuntu.session
Remove compiz from the RequiredComponents list
sudo gedit /usr/share/upstart/sessions/unity7.conf:
Add
Unity is already disabling most of effects when using sw-rendering, we
can check how to reduce this to the maximum, but I think that at unity
level most of the elements have already been addressed.
The problem when moving the windows affects compiz also when unity is
not loaded, so I don't think
Hi!
The 12.04 vs 14.04 compiz issue indeed seems fishy. I can't even get
compiz from 12.04 to start on my 14.04 system. I'll double-check with
VMware QE.
However, the issue is, according to our testers present when running in
3D mode on ESX (on a slow llvmpipe-based GPU), but I guess in that
Yeah, there is no way to just drop /usr/bin/compiz from 12.04 onto a
14.04 install. It simply will not work due to plugin mismatches, etc.
One way to see if 3d is enabled is to run
/usr/lib/nux/unity_support_test -p and see the output. If it says Not
software rendered: no then the effects are
Yes. we were aware of the Unity2D vs Unity3D difference.
However, there *is* 3D support on vmware (although sometimes slow) and part of
the problem is that also with
3D enabled, Ubuntu 14.04 is slower than with 3D enabled on12.04,
although we haven't quantified that yet, and we assumed that any
Hi Thomas,
Ok, thanks for the additional info. The comment about modesetting
confused me as this definitely enables llvmpipe and software rendering
and no GPU acceleration on both 12.04 14.04. I didn't realize the
issue is when using the virtualized GPU driver in ESX.
We could probably add
Hi!
Thanks. I think we need to discuss this internally first. The reason is
that sometimes the virtual GPU is backed by a fast physical GPU.
Sometimes it's not, and it's only in the latter case there is a
performance issue, in the fast case, we'd want all effects enabled.
And also when the GPU
Hi Thomas,
Ok, I'll keep an eye out for any updates.
I set the importance to Medium for now pending your response. We can
adjust accordingly if/when needed.
** Changed in: compiz
Status: New = Triaged
** Changed in: compiz (Ubuntu)
Status: Confirmed = Triaged
** Changed in:
This bug was escalated to the development team and they are looking into
it.
Unity7 will turn off certain effects if the underlying hardware reports
it does not support it. The initial finding is that mesa seems to be
reporting support for many more effects but they are emulated in
software.
It's disappointing that the Ubuntu 14.04 release has this regression and
I'm assuming that a fix is not going to be included in the final 14.04
release due to lack of action on this bug report. So this brings up the
following questions:
(1) What can be done to prevent new Ubuntu release
I'm not sure whether there's a way to raise the importance / severity of
this bug, but according to VMwre QE, this severely affects the usability
of Ubuntu 14.04 on ESX.
/Thomas
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: compiz (Ubuntu)
Status: New = Confirmed
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You can force cpu fallback with LIBGL_ALWAYS_SOFTWARE=1, it's probably
due to some effects being enabled on llvmpipe, like unity blur.
** Also affects: compiz (Ubuntu)
Importance: Undecided
Status: New
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