Unsurprisingly, there are numerous reasons why Xorg could be using
higher than normal CPU loads. In almost all cases, the cause is
something other than X.
The reason for this is that X is a server, and just receives and acts on
requests by client applications and services. These clients are
Confirmed.
I am using xubuntu intrepid on an Acer Aspire One with an Intel 945GME
with and without Compositor.
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xorg 10-20% cpu usage after intrepid upgrade, general system sluggishness
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Is this fixed in Jaunty?
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Same problem with me on Intrepid. The high CPU usage makes the ubuntu
server freeze to the point that the server clock is no more on time
every 2 or 3 days. I did not have this problem with Hardy.
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xorg 10-20% cpu usage after intrepid upgrade, general system sluggishness
Has anyone made any progress is tracking down the cause of this bug?
Any workarounds? This bug is causing random freezes during video
playback in vlc/mplayer and nvidia 180 drivers do not fix it as Jonathan
Apostoles suggested.
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xorg 10-20% cpu usage after intrepid upgrade, general system
As a note: I was having an Xorg CPU consumption problem as well, and it
turned out to be a problem with vino-server process (a vnc server).
When I killed vino-server, the problem went away.
Others have reported a similar problem here:
https://bugs.launchpad.net/ubuntu/+source/vino/+bug/31037
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yarly: I'm not running Compiz, so it's probably a general bug.
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Not sure if this is related but my Xorg hang at 35-40% while watching
AVI using VLC. VLC takes about 15%. Is this normal? I have ATI X700.
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xorg 10-20% cpu usage after intrepid upgrade, general system sluggishness
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The issue of General System Sluggishness may be due to a bug with
autodetection of display refresh rate in Compiz or Ubuntu. This would
explain why both Nvidia and ATi users are effected.
Example: If refresh rate is being polled at 59.88Hz, Ubuntu or Compiz is
rounding down to 50Hz instead of
Also, an interesting observation after executing the steps above and
rebooting.
Ubuntu's Monitor Resolution Settings still shows a display refresh
rate of 50Hz. This is why it may be a bug in Ubuntu?
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xorg 10-20% cpu usage after intrepid upgrade, general system sluggishness
Forgot to add that while this solution may fix general system
sluggishness It does not fix high CPU usage by Xorg.
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I may have spoken too soon .. =/
There still remains some very infrequent video playback skipping that
coincides with Xorg CPU spikes of 10-20%.
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This problem is also evident with a clean 8.10 64-bit install on a Dell
Latitude E6400 laptop with nVidia Quadro 160M (using 177.80 driver).
Xorg, firefox and compiz are all using more cpu than they should when
completely idle. Xorg is the worst offender and can use a full cpu core
when scrolling
This is not only an issue with NVidia cards. As mentioned earlier, reports have
been made of this bug with ATI cards as well.
So upgrading to the latest NVidia driver may not be the good solution.
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xorg 10-20% cpu usage after intrepid upgrade, general system sluggishness
NVidia users may find enabling some performance options will help. The
nVidia forum suggests putting these in the Screen section of xorg.conf:
Option PixmapCacheSize 100
Option AllowSHMPixmaps 0
Then run this after X has started:
# nvidia-settings -a InitialPixmapPlacement=2 -a GlyphCache=1
I think this bug is related to the following threads which involve vlc
playback skipping
http://ubuntuforums.org/showthread.php?t=972696
http://forum.videolan.org/viewtopic.php?f=13t=53415
Every time playback skips/freezes in vlc, there is a corresponding cpu
spike of about 10% by Xorg which can
I can verify that this is fixed with the latest nVIDIA beta driver.
On Sat, Dec 20, 2008 at 3:54 AM, yarly ih8junkm...@hotmail.com wrote:
I think this bug is related to the following threads which involve vlc
playback skipping
http://ubuntuforums.org/showthread.php?t=972696
Johnathan,
Unfortunately, as of now, if the nvnews.net forums are an accurate
indicator, the nvidia 180.** betas seem to introduce more problems than
they fix (screen corruption, flashing,etc). As far as I'm aware the
only way to install the beta drivers is through nvidia's installer.
I'm
I had the same problem after upgrading to Ubuntu intrepid yesterday.
Xorg taking 40-70% of CPU and the fan going crazy.
I solved this by re-generating an /etc/X11/xorg.conf with
sudo dpkg-reconfigure -phigh xserver-xorg
My old xorg.conf was configured to work with DUAL screen
see my conf here:
U I was over optimistic in my previous comment and I haven't really
solved the problem Xorg still takes 20-30% and kills my fan :-(
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My card: 0:02.0 VGA compatible controller: Intel Corporation Mobile
945GM/GMS, 943/940GML Express Integrated Graphics Controller (rev 03)
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Xorg is also taking 13% CPU on average for me. I'm using fglrx with an
ATI FireGL 5200 card. And I had heard I'd be getting *better* battery
life after upgrading...
I can supply more info upon request, although it looks like this bug has
plenty of lspci dumps so why add another?
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xorg
A good guide already exists here:
https://wiki.ubuntu.com/DebuggingXorg
My testing was done simply with normal (non-debug and without symbols)
with strace and gdb. It might be more useful to get full debug
information out of X by following the guide above.
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Might be a backport candidate, then, when it gets released?
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Yes, that would be a possible solution. I'm not entirely convinced it
is only a bug in nVidia's drivers. Searching for these errors also
turns up ATI and Intel problems with very similar issues. So the bug
may still exist, just nVidia has a workaround in 180.06.
examples:
I'm sure that's not only an nvidia bug cause I'm using ATI card.
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Ah, perhaps we should try to get debugging results for all the cards
affected, then? Could you make a quick-guide, LinuxKrn ? I'm not sure
where to start for this particular issue.
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LinuxKrn,
Is this bug fixed in the new drivers, now that you have been using them
for a few days?
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Mats,
Yes it has been working great since the update. But again, they are
beta drivers and had to be installed manually.
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I am also having this issue. I'm using the latest nvidia driver with a
fresh install of Ibex on a new laptop.
It seems to be related to either firefox or certain network operations.
There are certain websites that if I go to it will happen 100% of the
time. IE: farechase.yahoo.com, or
I'd also like to add this happens with me as well. I have a high end
machine (3.4Ghz CPU, dual SLI 8800 GTX, RAID0 SSD, 4GB RAM) and firefox
will cause Xorg to 100% CPU and everything freezes for sometimes as long
as 5+ seconds when opening or closing new tabs. Even loading pages
feels sluggish
Re: Jonathan,
I can confirm that website locks my system up for several seconds. Even
if I hit back or try to change tabs it locks up. Everything stops seems
to hang, gnome-system-monitor, top, terminals, etc. BUT, Amarok
continues to play sound from my music. So it appears to be video/xorg
Re: LinuxKrn
Yeah I found it odd because it actually locks up the system, not just
the firefox process. There are other websites that do this for me (as I
mentioned, farechase.yahoo.com after I submit a search), but that one is
pretty consistent.
I noticed a bunch of these in my Xorg.log when
Update:
I logged into my system using another laptop and ran straces on xorg.
I saw tons of loops of these calls during the freezes:
10:19:35.422974 writev(54,
[{\1\0\333\r\6\0\0\0\312\7\3\0\360\0\32\0\34\10\3\0h\10\35..., 56}], 1) = 56
10:19:35.424835 clock_gettime(CLOCK_MONOTONIC, {44940,
I have the same issue on my new laptop (no upgrade straight install of
intrepid). Disabling compiz has no effect, nor does uninstalling.
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Disabling compiz effects:
'System' 'Preferences' 'Appearance' (I'm not sure bcause I'm using an
spanish version :) )
Instead in shell: 'gnome-appearance-properties'
Then you can go to 'Visual Effects' and the first option 'Disabla' or
'None'.
This is not going to solve de 20-30% or more of
Thanks Diego, I tried your temporal solution and it worked, but after a
couple of hours using the system, Xorg goes back to 20% to 30% even
though I'm using Kwin instead of Compiz, does anyone have an idea?
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xorg 10-20% cpu usage after intrepid upgrade, general system sluggishness
** Changed in: xorg (Ubuntu)
Status: Incomplete = Confirmed
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Temporal Solution: Disable Compiz
If you disable compiz, ubuntu is usable, not so beautifull... but
working...
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xorg 10-20% cpu usage after intrepid upgrade, general system sluggishness
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Same problem here, I just started my system and only with Firefox opened
I get 30 to 40% cpu used by Xorg in the console. Intel 945 hardware.
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I have same problem, ubuntu 8.10 is unusable when xorg uses so much cpu.
Please fix that bug!
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As I said in other bugtrack, i have the same issue. If someone needs
some log or othes stuff... please contact.
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I'm having the same issue. Everything is really sluggish. Xorg eats
10-20% (minimum) while doing basically nothing. Intel 965gm hardware.
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i have the same problem if anyones interested.
im using the latest fglrx driver with an ati radeon hd3850 and a phenom 2.3 ghz
quad. sometimes xorg takes over an entire core and causes the computer to
become nearly unusable. my laptop with a 2.5 ghz intel and the mobile ati
radeon hd 3650 has
Notes:
Happened again. I closed Opera, and the issues did not disappear.
NB: the screenshot is taken while another instance of gnome-screenshot
is running, as seen in the attachment. This to show the ridiculous
amounts of cpu power htop and gnome-screenshot uses while being in an
idle state with
It definately seems a bit worse when firefox is running I have been
experiencing some random behavior in firefox which I'm not sure if it is
related.
But, after a reboot, login no programs running, htop reports xorg to
be hovering at 14% cpu
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xorg 10-20% cpu usage after intrepid upgrade,
** Attachment added: Xorg.0.log
http://launchpadlibrarian.net/19517030/Xorg.0.log
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..or more happens, to be exact. It does not go away automatically, and I
don't exactly know why it suddenly disappears.
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I am also experiencing this issue. I haven't found a pattern yet,
though, but the cause seems to be related to web browsers. I'm using
both Opera and Firefox, but Flash is disabled in Opera.
I have these issues with and without compiz, and also with the nv
driver.
nvidia-settings modified my
** Attachment added: xorg.conf
http://launchpadlibrarian.net/19517032/xorg.conf
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It happened again.
Notes:
I was listening to a podcast in Totem. Using gpodder.
Xorg used 50% cpu
Pulseaudio used ~10-15, opera 30-40.
Htop, which I used to monitor this, suprisingly suddenly used 40% cpu,
after closing opera, gpodder, totem.
I rebooted the computer, and opened gpodder, a
** Attachment added: lspci
http://launchpadlibrarian.net/19482859/lspci
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** Attachment added: xorg.0.log
http://launchpadlibrarian.net/19503212/xorg.0.log
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No customizations to xorg.conf, all defaults.
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Hi greasemonkeynz,
Please attach the output of `lspci -vvnn`, and attach your /var/log/Xorg.0.log
file from after reproducing this issue. If you've made any customizations to
your /etc/X11/xorg.conf please attach that as well.
** Changed in: xorg (Ubuntu)
Status: New = Incomplete
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** Summary changed:
- xorg 10-20% cpu usage after upgrade, general system sluggishness
+ xorg 10-20% cpu usage after intrepid upgrade, general system sluggishness
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