Fedora :: Excessive CPU With 2.6.32.9-67 On 12
Mar 8, 2010
I upgraded via yum to 2.6.32.9-67 today and rebooted.
Running Google Picasa under wine is pretty much unusable. A quick reboot to the previous 2.6.31 kernel provided via the Fedora repositories previously solved my symptoms.
I don't think the problem is limited to Picasa but haven't done anything scientific to show what the problem could be.
Because I run on a trusty six year old laptop I visually monitor the system with the System Monitor applet. Usually slowness is i/o wait while the disk is retrieving information but on 2.6.32 it's pegged as system time eating up my CPU.
Before I report this in bugzilla, can anyone else tell me what their experiences with 2.6.32-9.67 have been?
Also, are there any fine-grained performance monitor tools that might explain what's going on to peg the CPU so high? top just shows Picasa running.. and it can be a hog doing background work at times. If it is, a reboot just continues the cpu needs not eliminates them as in my case.
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Nov 26, 2010
Just installed Fedora 14. My HDD LED is flickering constantly about 7x a second. This only happens after I start X-windows and continues if I log out. Top shows dbus-daemon at 15% CPU. I'm sure this is causing it as it only starts after X-windows.
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Nov 23, 2010
I'm using Firefox 3.6.12 on Fedora 14 (64 bit) and have noticed that after using it for a while (and/or leaving the browser open for hours at a time), it becomes almost unusably slow and uses an excessive amount of memory. For example, any of the following can cause Firefox to temporarily (for 5 to 10 seconds or so) stop responding:
- clicking on a link
- opening or closing a tab
- scrolling
It will always start responding again, sometimes after the window darkens (to indicate that it's not responding) but it's so bad that it can't really be used. Closing it and opening it (restoring the tabs) again fixes it for a while, but the problem recurs. Regarding the memory usage, it was using 850MB (according to System Monitor) when I closed it, and having re-opened it and restored the tabs, it's now using under 200MB (but appears to be rising).
Another way that this manifests itself is that when trying to watch a Flash video (like iPlayer), it pauses for a second every 30 seconds or so, making it very annoying to watch them (I've switched to Chrome for this now, and am tempted to switch for general browsing, but like the plugins in Firefox).Is anyone else having these issues, and does anyone have any suggestions on how to fix it?
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Feb 7, 2011
There is squid 3.1.8 on a Fedora 12 server with 2 GB of RAM. It is used for sharing the Internet for approximatively 80 PC's. The problem is that it is really a memory hog, when enabling delay pools. I am using the following configuration for the memory pools:
Code:
delay_pools 1
delay_class 1 2
delay_access 1 allow drumuri
[code]....
There are moments when the squid process uses approximatively all the RAM and goes into swapping. After that I restart it, it goes well for a while and again eats up all the memory. On the Internet it says that Squid uses a lot of memory, but should it use 2 GB of memory, even if all 80 people are online at the same time?
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Feb 9, 2009
After having used fc5 for years, I installed fc10 in order to be able to run the newest versions of some of my tools. Under fc5, my monitor (Dell 2407FPW) and adapter (ATI Technologies Inc RV380) have happily coexisted at 1920x1200 76Hz. During the fc10 install, the monitor flickered a few times, then settled down (an auto-detect by the installation?) Now, after installation is complete, if I display a window with a lot of small text, the text is nearly unreadable because of horizontal jitter. If I move the window part-way off-screen, so that there is less small text on-screen, the jitter is somewhat reduced.
My hunch was that the installation got the ModeLine settings wrong, but when I went to edit /etc/X11/xorg.conf, I couldn't find it. I also ran a case-insensitive search for any file containing "ModeLine", starting in /etc, but nothing turned up except /etc/prelink.cache, a binary file.
I tried running Computer/SystemSettings/Display, but every time I do this, the monitor immediately goes into sleep mode, and nothing will recover it out except an X11 reboot (Ctrl-Alt-Backspace).
Is there any way to tweak the display settings other than the gui ("Display") program?
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Jul 21, 2011
Just noticed from the "top" command that one of my least heavily used box is swapping excessivly by a program called setroubleshootd. Following is the top section of the "top" command sorted by Swap used for both boxes. Also tried checking it out to see if there's a "service setroubleshootd restart" but when I checked the status I got the following.
Code:
[root]# service setroubleshootd status
setroubleshootd: unrecognized service
Lightly loaded box with lots of swapping
Code:
Tasks: 85 total, 2 running, 83 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.0%us, 0.0%sy, 0.0%ni, 98.0%id, 1.7%wa, 0.0%hi, 0.3%si, 0.0%st
Mem: 1026880k total, 983528k used, 43352k free, 59604k buffers
Swap: 2064376k total, 355692k used, 1708684k free, 121996k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ SWAP COMMAND
3319 root 15 0 1202m 665m 5748 S 0.0 66.3 23:29.99 537m setroubleshootd
3845 root 34 19 253m 14m 2188 S 0.0 1.5 0:34.41 238m yum-updatesd
3841 gdm 16 0 216m 5300 4236 S 0.0 0.5 0:00.15 211m gdmgreeter
3822 root 18 0 190m 2208 1568 S 0.0 0.2 0:00.00 187m gdm-binary
3824 root 15 0 185m 3948 3236 S 0.0 0.4 0:00.11 181m gdm-rh-security
3725 root 16 0 163m 2532 1920 S 0.0 0.2 0:00.00 161m gdm-binary
3500 root 18 0 130m 2140 1240 S 0.0 0.2 0:00.00 128m cupsd
Heavily used box with little swapping
Code:
Tasks: 118 total, 4 running, 113 sleeping, 0 stopped, 1 zombie
Cpu(s): 4.7%us, 0.3%sy, 0.0%ni, 94.7%id, 0.0%wa, 0.0%hi, 0.3%si, 0.0%st
Mem: 2059580k total, 1928356k used, 131224k free, 162032k buffers
Swap: 4095992k total, 12k used, 4095980k free, 1336632k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ SWAP COMMAND
3842 root 34 19 253m 17m 2196 S 0.0 0.9 0:34.20 235m yum-updatesd
3284 root 15 0 301m 77m 6004 S 0.0 3.9 2:23.30 223m setroubleshootd
3840 gdm 16 0 216m 16m 7064 S 0.0 0.8 0:00.43 199m gdmgreeter
3814 root 18 0 190m 2352 1644 S 0.0 0.1 0:00.00 187m gdm-binary
3816 root 15 0 185m 4112 3384 S 0.0 0.2 0:02.90 181m gdm-rh-security
3724 root 15 0 163m 2588 1976 S 0.0 0.1 0:00.00 161m gdm-binary
3465 root 18 0 141m 14m 1824 S 0.0 0.7 0:00.06 127m cupsd
12799 daemon 18 0 103m 3708 648 S 0.0 0.2 0:00.00 100m httpd
12396 daemon 15 0 112m 13m 3440 S 0.0 0.7 0:00.99 98m httpd
3556 root 18 0 103m 5260 2208 S 0.0 0.3 0:37.68 98m httpd
11778 daemon 15 0 117m 19m 3144 S 2.3 1.0 0:01.76 98m httpd
12750 daemon 15 0 106m 9096 2860 S 0.0 0.4 0:00.04 97m httpd
12673 daemon 15 0 110m 12m 2876 S 0.0 0.6 0:00.23 97m httpd
12693 daemon 15 0 110m 13m 2876 S 0.0 0.7 0:00.18 97m httpd
12666 daemon 15 0 105m 8132 2888 S 0.0 0.4 0:00.19 97m httpd
12729 daemon 15 0 112m 15m 2968 S 0.0 0.8 0:00.11 97m httpd
12588 daemon 15 0 110m 12m 2984 S 0.0 0.6 0:00.54 97m httpd
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Mar 2, 2009
For some reason, if I leave my Linux box running for several days, the swap space and RAM slowly fill up until my system is so slow that it takes around 15 seconds just to open a new tab if Firefox (Iceweasel, specifically). I have 512GB RAM and almost a gig of swap; how on earth does it fill up so much? Even if I close all my programs, there's still over 600MB swap used and all RAM is full. I've included a screenshot of 'top' running just about two minutes after I closed all my running programs.
(Before I closed it, I had only 71MB swap free.) I know that Linux is supposed to make good usage of RAM, but isn't this over the top? Is there a way to force it to use only required memory with no or little extras kept in RAM? Just thought I'd add in the fact that I'm running Xfce as opposed to KDE or GNOME in an attempt to have a smoother running system on my old hardware. Also, what's the "VIRT" column?
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Mar 15, 2011
When I ps -e, I see a whole bunch of processes, many more that when I ran Slackware.Is there a list of processess I can look at to see what they are and what ones I dont need, instead of googling each one and getting some cryptic explanation?
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Aug 17, 2011
At times, the disk I/O will go through the roof and cause the system to slow to a crawl. X becomes really slow and can go completely unresponsive, dropping all keyboard input, preventing me from restarting X. Sometimes I will switch to a virtual terminal to log in and run iotop to check what is using all the I/O, but it will be so I/O bound that the login times out. Sometimes I do manage to get in and can run iotop and then it is a matter of waiting 10 minutes or so for python to load up. Usually by this time, whatever was causing the slowdown has finished and so I don't even know what the problem is. Other times it never recovers (I once left it over night, since it was at the end of my work day and just went home)
This is my work computer so it is very inconvenient to have to wait for this I/O blockage or lose all my work rebooting. I thought it was due to swapping, so I disabled swap, but that hasn't helped. I'm running the cfq I/O scheduler, but I've tried both deadline and noop.
Also, is there a way to disable the login timeout so I can at least get logged in to the box from the console when this happens?
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Jan 3, 2010
I have a truecrypt partition on an nvidia fakeraid raid0.ore there is no data recognizeable to ubuntu's kernel on startup and I think it is causing a big slowdown for me every time I boot up, which takes over ten minutes every time. Attached are bootchart results.What I would like to do is know how to remove dmraid from the startup process. I can't find any scripts in /etc/rc*.d and all of the information I can find on these forums is about how to enable dmraid on boot, not disable it.
Manually using dmraid takes nearly no time at all, which is what I did before this kernel upgrade since ubuntu didn't put dmraid in the startup process. I can't see why it takes dmraid ten minutes to detect raid devices now! The only clue I can see is that in the startup process with the splash screen disabled it talks about examining inodes on both drives in the array and then goes on to spit out stuff about raid 0, raid1, raid2, raid3, raid4 and on and on so it seems like it is loading raid arrays that don't exist and never have.If any bootchart gurus have any advice, please feel free to throw me a bone, I am in fear of restarting!edit: for some reason ubuntuforums shrank my images so that they are unreadable by anybody except those with a large projector.
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Dec 3, 2010
I am using a 790FX chipset with SB750 southbridge and running Mandriva 2010.0. The sata controller is running in AHCI mode with several harddisks attached. The problem I am having is that everytime I copy files from harddisk to harddisk or harddisk to usb flash drive, CPU usage goes to 100%. Could there be a problem with the ahci driver in this kernel version, something related to disk cache, or something simple I am overlooking?
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Apr 13, 2010
I view my /var/log/maillog and see tons of lines like this code...
I think those are some kind of SMTP attacks from this host by I tried to block hit with Iptables but it seemes to peace them off and they keep coming...!
please some kind of postfix-configuration solution?
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Mar 25, 2010
I use my system as my stereo. It's the only thing I listen to. For quite some time now though, I have had a problem with audio not being properly played. What I get is what sounds like reverberation in the audio feed. I found that increasing the amount of time for the feeds to be buffered helps, but only partially.
I also installed another parallel system in this very same computer (on a different disk) which initially didn't have this problem. But then I did an upgrade and the problem became apparent on that system also. However after having done a couple of reboots, I noticed the problem disappeared. Now that system running is running clean as it was initially.
This may be an issue with my nVidia drivers. I'm not sure. Because I noticed problems on the second parallel system after attempting to install the proprietary nVidia graphics driver, which had numerous unpleasant side effects. So I removed it. But the problem didn't go away immediately. Only after I had rebooted a number of times did the sound begin to play as it would normally be expected to.
My primary system, the one from which I am now posting this runs KDE. But on the parallel system, due to a much smaller disk space, I am running XFCE. So this isn't a KDE-only issue.
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May 13, 2011
I have run into a problem with my desktop using roughly 50% RAM (w/o buffers or cache) while running a limited set of applications (fbterm, tmux, weechat, ncmpc, rtorrent) on the command line. This usage only increases roughly 5-10% when starting X (an addition of xcompmgr, awesome wm, zim, parcellite, 2x conky (one replacing root-tails functionality), plus firefox and other apps that may or may not be running from time to time). (h)top is reporting programs only using roughly .1-.2% per proccess and roughly 100 processes (current look at top shows 120 processes, only 32 of which are registering any usage over 0.0%) The RAM usage when in the console (which I will add is about 150MB after boot) is totally unreasonable and I need some direction on trying to find out what is using all of this RAM.
System:
Distro: Arch Linux
RAM: 2G
CPU: AMD 64 x2 4800+
HDD: 3x WD Black 750G (RAID 5 on partition 2 (swap) and 3 (root), RAID 1 on partition 1 (boot). LVM over root partition)
GPU: Nvidia 8400 GS
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Sep 30, 2009
I just wanted to upgrade to fedora 11 from the current version 5 with the of a live cd.I dont want to loose the previous configuration files. upgrade everything except the / directory. How do you do that? I also have a retarded WINXP partition on the same drive which I dont wanna loose.
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Feb 26, 2009
Is it possible to import an xorg.conf file from Debian to Fedora and have it work? The reason for this is that I have an older monitor that only offers 800x600 as the maximum resolution.
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Mar 7, 2009
install of Fedora, always used Debian or Ubuntu before now, and am looking for versions of localepurge, deborphan and debfoster - do they exist in the Fedora Software Repository?
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Apr 2, 2010
I have a Samsung N130 with a Realtek 8192 wifi card (possibly 8192e, I'm not sure) and I am trying to run Fedora 12 on it. I used to run Ubuntu until trying their latest beta and realizing it's not very good, so I looked for something else. Ubuntu was at least easy to get the wifi working with just a few quick commands that were written out, word for word, in order, on the Ubuntu forums. I tried openSUSE on here and it didn't have wifi working out of the box either but people on their forums refused to give me actual instructions and just kept bumping me from thread to thread with people giving vague advice or else just telling me I was looking in the wrong place. I'm hoping that someone can give me clear and detailed instructions on how to get this wifi card working. Keep in mind that I am coming from Ubuntu and so I'm not super comfortable in CLI, if I need to do some CL stuff I will need clear and detailed instructions on how to do that.
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Aug 21, 2010
I am newbie to linux, I am dealing with Fedora core 13. I have already succeedded in building an ad hoc network and a WLAN network. My next step is to get some networking statistics such delay, throughput, etc. So, I need traffic to flow through the network for both multimedia traffic and bulk data traffic. How to send files between nodes on the network (I found commands ftp, rcp but do not know whether they are the correct choice for this). ID their any application to perform this?
Also, I want to perform some video streaming between two nodes to study the behavior of real time data transfer. Is thier any application to perform this?
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Sep 13, 2010
My laptop is currently running on Windows 7 Ultimate. I have a 320 GB HDD, which I have partitioned as follows. C: Drive as Windows 40 GB capacity and successively partitioned the rest of the drives for 50 GB capacity and left an unallocated space of 67 GB for fedora 13 x64 installation. The problem that I am facing is, that I am unable to install fedora on this unallocated space..even though I am checking the option for "Creating custom Layout". When I check the option for "Creating Custom Layout" Ive been shown with the only option to install fedora on the unused space on the HDD which is around 265 GB. I am also attaching a screen shot of my disk management. how I can install Fedora on this unallocated space of 67 GB?
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Dec 23, 2010
my problem is inkscape-0.48.0-1.fc14.3.src.rpm in fedora 14 64 bittry rebuild --source inkscape-0.48.0-1.fc14.3.src.rpm and this my error:I think something wrong pkgconfig .
attributes.cpp:20:32: fatal error: glib.h: No such file or directory
compilation terminated.
arc-context.cpp:21:28: fatal error: gdk/gdkkeysyms.h: No such file or directory
[code]....
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Jun 3, 2011
This post is for an HP parallel printer but I think it should work for at least "some" other parallel printers.I am sure that someone smarter than me will follow up this post with a "well, just do this and that" and you will have your HP Laserjet 6P printer ready to go, but since questions litter the forums of MANY distros on how to get "at least" an HP parallel printer to work, I'll post this anyway.This may or may not work for you if you do not have an HP but you can try it.The install printer box will let you do an install for an HP Parallel and it asks for how it is to talk to it, through CUPS sock or "local host'. When we get through what I recommend you should chose "local host".
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Jan 8, 2009
I am using F10 desktop edition, all the computers using windows are able to access the shared folders over lan except me using F10. I have tried many things with smb but still unable to connect.I am new to linux so i dont khow much of its technicalities.kindly suggest how can i be able to access the shared documents ..
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Feb 14, 2009
I'm setting up my first Linux install and I was wondering if I would be able to boot Fedora from a CD while keeping every other file on my computer, or in other words if I would be able to put the /boot partition onto a cd. I've also read that Linux can be booted entirely from a logical partition. If that's true then can anyone help me in setting that up. Mostly my problem is I already have four primary partitions, one being a logical drive with plenty of free space in it, and I can't get rid of the primary partitions I already have.
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Feb 19, 2009
How to make internet sharing in Fedora with two inputs & one output.
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Mar 24, 2009
How can I access shared Windows files from a fedora system
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May 27, 2009
ok so the router works in windows and i know the config details of it.i can see other wifi access points in the area but not my one. i have tried joining it as a "hidden network" to no avail.is there any reason why fedora would not detect my own wifi when it detects substantially weaker signals instead??
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Jul 2, 2009
If any of you have successfully created a video hosting server with Fedora, can you give me any ideas of what software to get and how to configure it and so on? Or, if you have been unsuccessful, can you tell me what doen't work?
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Aug 17, 2009
Linux OS : Fedora 10 (No graphical mode)Windows OS : XP and Windows Server NT...I am able to access from my windows to linux using following step//fedora10 ip username of admin and password...I am able to view the admin and shared printer of fedora 10.When i try to enter in the admin folder i am not able to access it. It is giving error "Access is denied".
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Sep 23, 2009
i am justin i'm 17 years old and new with linux, i use ubuntu and linux mint 7 and a friends of my has a dedicated fedora server. he asked me to intall a desktop manager ( or something that is the same, dont know how to call it ) so he could use remote desktop to acces his server
i have connected the server trought ssh and i am in the terminal. Now i want to install kde or gnome so i and my friend could use the server as a mail en WWW bla bla bla server. and my question is how i need to do that i tryd : yum groupinstall "KDE (K Desktop Environment)" and yum groupinstall "X Window System" but none works i have seen those commands on this forum so i tryd it.
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