Ubuntu :: 100 Percent CPU (What Is Backend Under All Processes)

Apr 30, 2010

I've just installed the Netbook Edition of Lucid on my MacBook, and it works great, with two issues:
First, each time I start, the computer is extraordinarily laggy (pretty much unusable), until I run System Testing for video, and go through the whole process. Then it seems to work great. Also, I'm having a 100% CPU issue, which switches between my two CPUs. There was nothing under "my processes" that showed any kind of heavy use. But, under "all processes" was something called Backend. I killed the process and now everything seems to be working just fine.

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Server :: Lighttpd: Backend Is Overloaded + Multiple Php-cgi Processes In D State?

Sep 24, 2010

I've got this problem for a few weeks and I cannot figure out. I'm pulling my hair out. I have a server installed PHP, lighttpd and redis. Sometimes, I got the following messages in the error log of lighty: Code: 2010-09-24 13:57:33: (mod_fastcgi.c.3011) backend is overloaded; we'll disable it for 1 seconds and send the request to anoth er backend instead: reconnects: 0 load: 567 2010-09-24 13:57:33: (mod_fastcgi.c.3011) backend is overloaded; we'll disable it for 1 seconds and send the request to anoth
er backend instead: reconnects: 0 load: 626 and:

[Code]..

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Red Hat / Fedora :: PNG Backend Error While Installing Cairo-1.6.0 - Requested PNG Backend Could Not Be Enabled

Nov 29, 2010

I want to install GTK+. I see there are also numerous dependencies, which i've been slowly tackling, and the Cairo package has been particularly difficult. It claims the following upon ./configure --prefix=/usr configure: WARNING: Could not find libpng in the pkg-config search path checking whether cairo's PNG backend could be enabled... no configure: error: requested PNG backend could not be enabled I've done some searching and found that libpng.pc is in my /usr/lib/pkgconfig/ directory and that the following commands don't do the trick:

PKG_CONFIG_PATH=/usr/lib/pkgconfig
export PKG_CONFIG_PATH

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General :: Error:backend-not-running Backend Not Running As Expected (yumex Will Close)

Mar 9, 2010

i installed yumex:yum -y install yumex, when i start yumex it came with this error:fatal error:backend-not-running backend not running as expected (yumex will close) how can i solve it?

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Ubuntu :: Apt-Get Process Causes CPU To Run At 100 Percent

Mar 16, 2011

Starting this week I am finding that my computer will randomly start to run high CPU and using TOP. I find that its the apt-get process thats running it up at 100% (please note that top will show processes up to 800% i7quad with turbo-boost show as 8 cores). Whenever I catch this I do let it run for a reasonable amount of time 10-15 mins to allow for updates or whatever its trying.

However, I do end up having to kill -9 it as just don't understand why its running so hot. I realize this is a really early bump but its not intended as so, I was browsing the forums and realized I left the title as apt-get.... and would be better if I gave a more descriptive title. hense the edit. I really hope I am not breaking any forum rules here as I really am not intent on bumping so soon.

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Ubuntu :: Percent Of RAM Should Allocate To VirtualBox?

Apr 29, 2010

I wanted to run some really heavy programs on my virtual Windows (32 bit installation). Thats why I have allocated 2GB of my 3GB ram to the virtual OS on Virtual Box.

the VirtualBox is warning me that the setting is non-optimal. What do you think is the optimal setting? Is it VB:UBUNTU::1.5GB:1.5GB? Please explain the reason if you know.

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Ubuntu :: 10.04 LiveCD Just Fails On 25 Percent

May 11, 2010

One year ago I decided to give it a try with Ubuntu. I used the 9.04 Live CD, but it didn't perform as expected - it gave randomly errors on boot up, the interface was disappearing and reappearing, applications closed themselves randomly and in the end it usually froze and I had to do the magic SysRQ or hard restart. I installed it then through Wubi - and it was somewhat more stable. It behaved sometimes excellent all the time until I restart, but sometimes it just crashed with an error when I boot up. When 10.04 came out, I wanted to try it out, so I burned the CD.

It was the same as the 9.04 when using the Live CD and when installing it using Wubi it just fails on 25%. I don't have any problems with Windows 7 and another distribution like Knoppix (6.2) runs just fine and smooth from the Live CD. No problems what-so-ever. I haven't did any clean installation on my hard drive because I don't know if this would persist and leave me with a not working system. I still would like to address the problem from a Wubi installation or the Live CD before going for a full installation.

Here is my machine:
AMD Sempron 3300+ @2.0GHz
NVidia GeForce 7300LE 384MB
1 GB RAM DDR1 (2x512MB)
A31G PCCHIPS Mobo

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Ubuntu :: Low Mic Volume In Skype (Set At 100 Percent)

Jun 23, 2010

I finally get mic working. Problem I have now is the volume is very low in Skype, I have set it to 100% but it is barely discernible on playback from the Skype test.

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Ubuntu Multimedia :: VLC Using 100 Percent Memory

Jul 27, 2011

Since I installed Natty on my laptop, some strange behavior occurs. When I open up a file in VLC all is well, I can maximize the window, but then when I go full-screen it starts to eat up all my memory! Including my complete SWAP partition. Rendering my laptop unresponsive......... It doesn't do it all the time though. I have to add to this that I have had this exact same problem with SKYPE, but that doesn't seem to occur anymore. Could it be that certain VLC settings have new defaults or maybe a driver issue?

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Ubuntu / Apple :: CPU Spikes Normal (Usually Around 50 Percent)

May 9, 2010

I've recently installed ubuntu on a 5,3 edition Macbook pro. It works amazingly and I love ubuntu but I have a small concern. Is it normal for the cpu usage to spike between 10% and sometimes over 70% but usually around 50%? I've ran the top command and its usually xorg, firefox or synaptic package manager causing the spikes. Is this cause for concern? Here is a screen of the cpu usage. When this screenshot was taken I had firefox open while upgrading to the latest version of Ubuntu. [URL]. However when I run OS X I'd have to be running many many programs, including CPU and plugin intensive programs such as Logic Pro with renoise slaved to it. Even with all of this CPU usage rarely goes past 40%.

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Ubuntu Servers :: Apache / MySQL Using 100 Percent CPU

May 9, 2010

My config:
Ubuntu 9.0.4 (all up to date with security patches)
Apache 2.2.11
MySQL version 5.0.75
PHP Version 5.2.6-3ubuntu4.5

I'm running Ubuntu as a Virtual machine with VMWare on top of a Windows 2008 Server. It has been working perfectly for nearly 9 months. I have one processor and 2GB of Ram assigned to the Virtual machine. Memory usage seldom ever reaches more than 50%, swapfile is hardly used either. I noticed recently that sites were loading very slow from time to time. Webmin showed me that USER / KERNEL were together using 100% cpu. I then started searching for answers to what was causing this and then read about using HTOP. I then installed HTOP and found that the following processes were the culprits
/usr/sbin/mysqld
/usr/sbin/apache2 -k start

There are multiple instances of mysqld and apache2 listed in HTOP, I assume this is because I run multiple sites on the box. It does however seem limited to only one or two PID's that are repeatedly maxing out the CPU at 100% (every 30 seconds to a minute) sometimes the CPU will stay maxed at 100% for nearly a minute and then free itself again but it is doing this continually. At the point when the CPU maxes out at 100% there will be one instance of mySQLD and one instance of Apache2 right at the top of HTOP and between the two they will be hogging 100% cpu. All the sites are either Wordpress or Joomla sites and I am quite confident it's one of these sites causing a problem.

My issue is that I cannot pin down which PID belongs to which site. Then, once I know which site it is how do I then trace what process / file inside that site is casuing the problem? I figured one of my busiest sites (wordpress) might be the culprit and I installed the W3 Total Cache plugin today but that has not helped this 100% cpu problem, so for all I know it might be another WP site on the box or even one of the Joomla sites. I've noticed that the TIME column on the one MYSQLD instance that maxes out is very long so it seems like Mysql is keeping some connection open or something?

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Server :: MyDNS Using Almost 100 Percent Of CPU?

Apr 16, 2010

After about 14 hours of running constantly, top shows that MyDNS is using 99 to 100% CPU. This is insane. There isn't any hints of why this is happening in the deamon logs.

Code:
my:/home/dingle# ps aux |grep mydns
nobody 24157 0.0 0.0 27364 1596 ? Ss Apr15 0:00 /usr/local/sbin/mydns -b
nobody 24158 83.1 0.1 29120 3344 ? R Apr15 1146:34 /usr/local/sbin/mydns -b
root 25565 0.0 0.0 5160 784 pts/0 R+ 17:25 0:00 grep mydns
my:/home/dingle#

Code:
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
24158 nobody 20 0 29120 3344 788 R 99 0.2 1148:24 mydns
Heck, it only has 11 domains to handle.

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Ubuntu :: What Is Jockey Backend

Dec 17, 2010

Hwhen I try to update my cache in Wubi 10.1,it starts giving me a message that "waiting for jockey-backend to exit" and nothing continues,I dont know what is it all about and how to solve it?

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Ubuntu :: Which Video Card And Printer 100 Percent Compatible

Feb 21, 2010

Maybe this question is asked too many times but I need a fresh one. Which Video Card and Printer should I buy that its 100% compatible with Linux? Because I have ATI Raedon x700 and Lexmark printer.

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Ubuntu Multimedia :: MPD Crashing (After 95 Percent Playback) In Maverick

Jan 14, 2011

I've been using mpd for over an year. Today I noticed that it keeps crashing after about 95% playback regardless of the song I play. When I checked the log file, I found this:

Code:
mpd: /build/buildd/mpd-0.16.1+git20110110.24d51b9/./src/decoder_thread.c:65: decoder_command_finished_locked: Assertion `dc->command != DECODE_COMMAND_NONE' failed.

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Ubuntu :: Restoring Previously Installed Packages (86 Percent)

Jun 25, 2011

In the midst of an epic, hours-long saga of attempting to reinstall Kubuntu 11.04 and get my GRUB menu back in order to dual boot with Windows 7 (I accidentally lost the rambling thread I previously typed, so I'm not going to even tell the back story unless prompted), my installation progress bar seems to be sitting at a solid 86%, reading "Restoring previously installed packages...", something I've never seen before. It's sat there for two hours, not moving a pixel. Is there anything I can do at this point? I've been up for hours trying to do this, and I'm about ready to give up on Kubuntu and even seeing my Windows system again.

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General :: Ubuntu 11.04 - Flash Player Consuming 100 Percent Of CPU

Jul 18, 2011

I'm using Ubuntu 11.04, Firefox 4 and the latest version of Flash. My other machine specs are

Code:
processor: 1
vendor_id: AuthenticAMD
cpu family: 16
model: 8
model name: Six-Core AMD Opteron(tm) Processor 2439 SE
stepping: 0
cpu MHz: 2800.112
cache size: 512 KB
fpu: yes
fpu_exception: yes
cpuid level: 5
wp: yes .....

Since this is a virtual machine, it is causing concern in our environment b/c other virtual machines are impacted. How to coax this plugin to use less CPU?

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Fedora :: Battery Power Comes Down To 40 - 41 Percent

Mar 18, 2010

I am using Fedora 12. Prior to this I was using Ubuntu 9.10. In Fedora 12, I am facing a problem with battery power. Sometimes when it is fully charged I remove the power cord, battery power comes down to 40%-41%. It never happened with Ubuntu, which gave quite a good battery performance. My question is when it is showing Laptop Battery 100% i.e. fully charged, if I remove the cord why it comes down to 40%-41% (and always in this range).

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OpenSUSE :: KDE 4.2.1 Sudden 100 Percent CPU Usage

Mar 7, 2009

Like the title says. Suddenly, for no apparent reason KDE jumps to 100% cpu usage. I've tried tracking this down and it's frustrating. Sometimes I have to reboot 2 or 3 times to get it back down.

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General :: Root Directory 100 Percent Used?

Dec 31, 2010

I have assigned 4G for my "/" directory, on slacware 10.2, and have not installed the GUI either. I am not sure what files to look for that have been growing over time that has completely depleted my space. Think it would be log files, but don't know where to find them.

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Ubuntu Installation :: Resizing Partition Window Stays At 0 Percent

May 20, 2010

I am installing ubuntu on my Delete Inspiron laptop and after selecting "install them side by side" option the window saying "Resizing partition..." on it has come up and just says 0%. I am partitioning so that ububtu has 100GB, but should it be taking this long - it's been about 25 mins. Is this normal?

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Fedora :: 100 Percent CPU Usage - Invalid TSD Data

Aug 11, 2009

I have this happening on my vaio laptop and FC11- top shows /usr/share/scripts/shared/onlyservice or /usr/share/logwatch/scripts/shared/onlyservice running %100 of one core of my CPU. It takes 30 to 40 min to stop. Same thing happens when I go to a GUI log-viewer. This, of course wouldn't matter on a desktop, but with a laptop it's kinda expensive. On boot up after the grub I get error: Invalid TSD data!

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Fedora :: Filesystem Root 100 Percent Full

Jun 25, 2010

I'm new to fedora 13 and I have been through a few installs already with a 12TB raid. Fedora is installed on a separate 250GB drive. I've mounted the 12TB drive as a single share and I'm capturing large video files (12-90GB each) to the raid in a Samba Share across the network. The system runs great for about three days and then I start getting warning messages that "the volume filesystem root has only 1.9GB of disk space remaining" then another later 205MB etc until it eventually fills to 100% and then locks the machine. If I reboot I get a Gnome error and can't login. The only solution has been to reinstall fedora again from scratch.

Each time I allocate more space for root. My current partition is 65G in size. The raid shows only 5.1TB of space used and it shows 7.2TB of free space. The raid share shows as being mounted in /media. Root shows that it will be full at 5.2TB, and I'm almost there, so I'm probably looking at another install in just a short while when it freezes again. I've read reinstall and make a larger root partition, but I'm not sure how big that must be to avoid this problem in the future. Also, is there a limitation on the size that root can be? my question stems from the fact that I have over 7TB of free space but somehow the root is reporting as 100% full at only to 5.1TB.

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OpenSUSE :: Memory Usage 100 Percent - Auto Log Out

Aug 13, 2010

My memory usage keeps building up and up as time goes by, when it hits 100% it logs me out. I have a tad over 9 Gib in swap, that is how it was set up when I did auto install and let it do the partitions. I have 4Gib memory. When I first log in it shows about about 800+ MB being used and starts adding more from there. I can run applications for about 6-8 hours before it hits the 100% marker. At first I was blaming this on the video player, but when I put on a play list each song seems like it gets stuck in memory also adding about .02% per song to max memory.

This seems to pertain to each application I do. Uploaded with ImageShack.us. This pic shows my Computer setting and usage through system monitor and conky script. In another note, I never see my Swap partition being used at all. I am real green to linux and not sure if I was suppose to turn something on. In the partitioner it shows it being mounted and as swap.

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General :: CentOS 5 - Available Disk Space Always 0 Percent

Jun 16, 2011

I am running centos 5. So far, it gives no problem but just yesterday, when it reported "no free space" for file writing, I try to remove some file as usual. Unfortunately this time no matter how much files I had deleted, it just keep showing no available space for doing so.

Result from df:
[root@LSMSVR ~]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/VolGroup00-LogVol00
1.2G 269M 879M 24% /
/dev/hda6 4.8G 138M 4.4G 4% /tmp
/dev/hda5 19G 2.4G 16G 14% /usr
/dev/hda3 48G 12G 34G 25% /var
/dev/hda2 379G 365G 0 100% /home
/dev/hda1 99M 15M 80M 16% /boot
tmpfs 180M 0 180M 0% /dev/shm
ow to recover the lost space in /home?

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General :: Syncing Two 90 Percent Similar Folders?

Nov 21, 2010

I have a project folder that I pass back and forth between my desktop and laptop via Samba. Both are running Debian. The folder is large. I would like to be able to change a few files in the folder on my desktop and then "update" the folder on my laptop without having to pass the entire folder back over the network.

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Programming :: Add Percent Complete To A Make Process?

Feb 27, 2010

Most of FLOSS projects has a lot of code to compile, and a big make process. On my new PC i need a half hour to compile Inkscape, and on my old laptop i need something near to 2 hours. There is a way to put a percentage of the work done in the makefile? (Always there are a hard and dirty way... there is a good, beauty, common way?)

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Ubuntu :: Partitioning The System Drive For The Backend?

Apr 27, 2010

Here is my learning curve or what I would like to try. 1. Install Ubuntu on computer with following hardware:ASUS M3A7-EM AM2+ CPU, looking for a 45w one 780G/SB700, if the onboard video gives me grief I will install a nVidia 2gb DDR2 RAM 320gb or 500gb system drive, nothing smaller in the cupboard.

2. I want to install Mybuntu backend on this computer as part of a media sharing system. I have several PVR cards and it will be trial and error to see what works. I have a 1.5tb drive for media storage.

3.I have several old laptops to experiment with as frontends, I also want to install Mythbuntu and Kubuntu on one these to compare KDE and Gnome. At least two of the laptops have wireless so it will be easy to network.

[Code]...

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Ubuntu :: Process - Backend - Causing CPU Usage To Max Out

Oct 6, 2010

I have a problem with cpu, when i'm not running any application ,cpu is 100%, this picture. i use acer 4741 ram 2Gb ddr3, core i3 2.13Gh.

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Ubuntu Servers :: MythTV (master Backend) 0.24.1 On 10.04?

Aug 12, 2011

I had a dedicated HTPC box running Mythbuntu 11.04 (MythTV 0.24.1, I believe) that was both a master backend and frontend. I was also running a separate box (server 10.04) as a file server, print server, etc. Very recently I decided to try to migrate the backend duties and database from the HTPC box to the server so that I only need to have one machine running 24/7. So, on the server, I installed mythtv-backend-master from the repository, which for 10.04 is version 0.23.0+fixes. You might have seen this one coming... when I try to import the database from the Mythbuntu box into the server's MythTV installation, I get an error message saying the database schema (1264) is newer than expected (1254).

So, I'm wondering about my options at this point. Is it reasonable to install the same version of MythTV on the server? What would be the best way of going about that?

Is there a way to easily revert the database schema to the earlier version that's required?

Will I just need to start over with a new database? (Hopefully not this one.)

Other options I haven't thought of?

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