Ubuntu :: Computer Locks Up Slows Way Down?
Jul 9, 2011
About a week after installing 11.04, I started noticing that my computer basically locks up after leaving it for many hours. When I come back, I cant get any programs to respond. I click on Firefox and it takes about one minute for it to finally respond. If I try to launch Konsole, it locks up too. But suddenly all programs start responding at the same time, after about one minute.
This is very frustrating and I just feel the problem is zeitgeist. Of course I am not sure because I cant even run System Monitor to check the problem since I cant run any apps for about a minute. By the time I run System Monitor everything is working again.
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Jun 5, 2011
I noticed that sometimes my Linux server will randomly start to lag really badly, to the point where even a http request takes forever. It is an Intel Core2Quad with 8GB of ram running FC9. This is my "Everything" server so it does file, email, DNS, web (for local stuff only), VMs and so on. There are about 5-6 VMs running on it at any given time. I manage it through a VNC session and have some SSH consoles within that session. This way if I reboot my PC I don't lose all my SSH consoles. If I need to SSH to any server I do it from there. I treat it kinda like a terminal server to some extent.
When this slowdown happens, top is not really useful because I also do F@H so that will always be to the top, but it's low priority. The VMs are also always near the top. This does not change whether it's slow or not, so when it's slow, I have nothing to go by on how to troubleshoot. The load does seem to skyrocket though. Right now it's doing the slowdown thing and it's at 8.09. Normally it's at around 3 which imo is good as it it's under 4. I have 4 cores so anything more than 4 means it's queuing. At least that's how I understand it. This is the output of top:
Code:
[root@borg ~]#
[root@borg ~]#
[code]....
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Apr 2, 2010
I didn't notice it before i installed compiz fusion, but perhaps it was happening then as well because i didn't play with fedora too much, but -- my problem is that after i open a few windows and a few minutes pass the entire system bogs down to what seems like 1 frame per 20sec. i can't even forcequit out of applications, and if i do it doesn't solve the problem. I read somewhere that GNOME might be trying to connect to the internet and hanging? ...
running: Fedora 12
intel dual core
32bit
nvidia geforce 9800gt
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Sep 17, 2010
I'm new to Fedora/Linux trying it out because I'm becoming hacked off with Windows taking so much time to do anything. The problem I have is that every now and again the computer slows down so drastically that the mouse movements are jerky, response to clicks/key inputs take about 2-3 mins to get a response and the only solution is to press and hold the power button. I'm running a Packard Bell Dot M/U. It has mobile celeron 1.3GHz 64 bit, 3GB ram. Intel wi-fi, atheros LAN (i think), HDMI output. I believe that it is v similar to an Acer Aspire 1410 (but not 100% same).
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May 29, 2011
I am currently running 11.04 on my laptop. Firefox is struggling to cope with images for some reason. Whenever there are pictures on screen in firefox the computer slows down to a glacial pace.
I tried clearing out the history and cookie files, and i have tried uninstalling and reinstalling FF but the problem still persists. I have tried other browsers that worked fine with images, but didn't find any that i really liked.
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Feb 14, 2010
This isn't an Ubuntu question as much as it is a general Linux question, but is there a text based Linux emulator (preferably BASH) similar to DOSBox?See, I need GAS, Gnu Linker, gdb... pretty much everything in binutils, as well as a platform to test my programs at school, which runs Windows. I've tried VirtualBox, VMware and QEmu; QEmu is a b**** to access any files outside of the VM, VMware is hard to get portable, and all 3 require administrator access. I've also tried CoLinux, which requires admin access, and PortableUbuntuRemix, which gives me some unnecessary GUI and slows the computer down
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Apr 14, 2010
everytime i try to navigate to the home folder the pc lockes up. the mouse will move but the screen is locked upi have to restart
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Jun 15, 2010
so i just bought a new Sony Vaio laptop and things are seeming to run great. However, there is one issue: when i go to restart or shutdown the computer, the graphical interface goes away like it should, it goes to CLI and does it's shutdown routine....the problem occurs about 2 seconds into the routine, when it just stops. it doesnt shutdown or restart, but stays in the CLI with a blinking cursor. if i allow it to set for a couple of minutes, a message pops up that says something like this, "BUG: soft lock up CPU0 CPU1 stuck, blah blah". any ideas on what this is or what is causing this? the laptop has the i5 processor in it, just in case that matters
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Jul 10, 2010
so every time I want to watch a video or let my computer play some music anything that leaves it without input the screen dulls then the computer locks it self even in the middle of when I am watching something.I have already set every power management setting to never turn off and it is still doing it is there any thing else that controls ubuntu's automatic functions that I have missed that would let my computer stay on without locking up,I am running the most recent version of ubuntu on a Samsung NC-10 netbook if that helps
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Aug 6, 2010
Recently, ive been having this problem with ubuntu in which while im watching a movie and thus not doing anything else, everything locks up except for the sound (if i attempt to move mouse doens't work) and then it goes into the login screen. Previously, ubuntu would fade away into the login screen.
So is there any way to prevent ubuntu from going to the login screen if the user is not moving the mouse? non-fading login screen?
edit: oh and i also have this sometimes occuring problem where i type my password to login, it logs in, and then it immediately goes back to login screen. A second login works. probably not relevant
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Oct 15, 2010
Since upgrading from 9.10 to 10.04, the "Switch User" functionality no longer works. I had hoped that upgrading to 10.10 might resolve the issue, but no joy. I am using 32bit Ubuntu 10.10 on a Levono R51 laptop, with three users. 9.10 was installed from a LiveCD, and I have partitioned the hard drive so that OS is in the first partition, and the three home directories are in the second partition (just in case I need to do a complete re-installation from LiveCD). Most of time only one person uses the laptop, but if a second person tries to switch from the current session and log in, they are greeted with the following;
-- a black horizontal line (approx top quarter of the screen)
-- a purple background with the Ubuntu title and 5 red dots (lower 3/4 of screen) -- but no login screen
-- moving the mouse renders a white box (approx 1x1 inches) with some black marks
The original user can recover their session with Ctrl-Alt-F7, but this essentially makes the laptop only usable for one person (one active login) unless the original user logs off.
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Nov 19, 2010
I am running edubuntu in one of the classes of the school i support. My problem is that the children cannot remember the password for the computer if it locks. I have it set to auto login on the class user and I have disabled the screensaver asking for a password on resume, and disabled the powerdown options. So in theory it should stay on the desktop until they shutdown. However there is still the option to lock the computer and i am sure that they will find it and manage to lock themselves out of the computer! I am a linux beginner, but i have followed a few guides on the internet. I could really do with having their user with no password, so if they accidentally lock the computer they only have to click unlock to resume their computing.
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Mar 2, 2011
I just installed 10.04.2 Desktop. Full install, reformatted all partitions. Hardware: Dell Optiplex GX200 with Dell 781p monitor Dell mouse and kybd.
All appeared to install well and as expected.
The computer has locked up 4 times, now. Whenever I attempt to use the mouse to drag a window to a different place on the desktop the monitor goes half black (bottom half of screen) and I loose the ability to use the mouse or keyboard to provide input. The only recourse is to shut it down hard and boot up again.
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Jun 8, 2011
First, I upgraded to F15. All went smooth. No problem. But if I pull up a terminal in KDE via menu->utilities->Terminal, I get a terminal that shows only 3 lines. If I try to increase the size by pulling the edge it locks up the computer. Functions otherwise. This is Gnome Terminal 3.0.1. X terminal works fine. So does Konsole. But not the above application from the menu.
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Oct 18, 2009
I seem unable to get an nvidia driver working properly after upgrading to the latest kernel with Fedora 11.Here is my laptop and its specs: http://h10025.www1.hp.com/ewfrf/wc/d...reg_R1002_USEN[URL]I've tried both the kmod and akmod unsuccessfully. Everytime it gives me a black screen on boot, I can fix the problem by popping in the LiveCD, and changing the xorg.conf file back to the backup.Here are the errors/warnings from my boot.log file:
Code:
WARNING: Deprecated config file /etc/modprobe.conf, all config files belong into /etc/modprobe.d/.
Checking for module nvidia.ko: [60G[[0;31mFAILED[0;39m]
[code].....
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Jul 7, 2010
I hope somebody has a solution to this annoying situation: right after restart my system is very fast (at least for me), but after few days it slows down to the point when using it becomes a waste of time. As soon as I restart everything is OK. Usually I keep open 1-2 Open Office files, couple large PDFs, and some Firefox tabs at the same time, nothing special. No gaming/video on this rig, just basic internet and text processing. Here are my specs:
9.10 Karmic
Kernel Linux 2.6.31-22-generic
GNOME 2.28.1
Memory: 433.1 MiB
Processor: AMD Athlon 64 3200+
Am I wrong thinking that I have enough juice to keep these windows open? Maybe there is a way to tweak something?
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Jan 13, 2011
Using ubuntu 10.10 64 bit, last few days my desktop is not stable. Everytime my system becomes very slowwwwwwwww after login (after 5 mins, after 2 mins very random), sometimes it takes a while even to get to login screen. I checked System Monitor when this happens, i don't see high cpu usage/memory usage. Only thing i see is, when i shutdown my machine, it giving few errors about Virtualbox.
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May 15, 2010
I'm running Ubuntu in a virtualbox on a Windows 7 host. It works great - except after I start up the machine, the response to keystrokes and updating of the screen slows way down. It gets slower and slower until it is unbearable after about an hour. If I save the machine state and reload it, things work great again - so it sounds like a virtualbox problem, not an ubuntu problem. Do other people who run Ubuntu in a virtualbox see this behavior? Do other people who run virtualbox in Windows 7 see this?
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Jan 13, 2010
When ever I choose suspend to shutdown the hard drive slows and the picture on the screen freezes. The mouse and kb are disabled and the cpu fan keeps running. My hardware in in my sig below I have turned off automaitic updates straight after installing from disc as the last time I had it switched on after a few updates I got repeated ata drive read errors and the pc would freeze for a while being unable to read from the hdd. I have run wd diagnostics on the drive and it works fine. To fix this problem I did a clean install after messing round for 3 days and achieving nothing. I have an arch partition that works fine as well although I have not attempted to get suspend working with it. ( hal error) I have read a few thread on the net and tried entering the swap disks uuid into grub.
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Jan 28, 2010
I have a Dell XPS M1530 which has 4GB of RAM and Nvidia graphics card. I have problem with Ubuntu 9.10 (had the same problem with previous version). If I change the desktop wallpaper from System > Preference > Appearance it seems to freeze everything momentarily (15-30 seconds). Then you see the jagged transition happen when wallpaper changes from current to new.
I tried with wallpaper-tray applet and it has the same affect. I have NVIDIA-Linux-x86-100.14.09-pkg1 installed for Nvidia and all the effects enabled. They don't run slow at all...Like when I move the window, the window frame is fluid and flows beautifully. Is there a way I can make the wallpaper issue go away? Or disable the transition effect on wallpaper change?
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May 3, 2010
I ran Karmic until last week, and noticed that it seemed to be getting slower. I was hoping a clean install of Lucid would fix that. it's worse. If I leave my machine running for a few hours, something begins dragging down the performance to a crawl.
System Monitor sometimes won't come up - launches an empty grey window. Other times, System Monitor reports that gnome-system-monitor is consuming 86-96% CPU. This is a dual-core Dell e6500 laptop with 4 Gigs of RAM, it should fly. Any ideas on troubleshooting this?
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Jul 8, 2010
I upgraded to 10.04 from 9.10.
Network accesses are now dramatically slower.
I upgraded a copy of my previous 9.10 installation so I can still use 9.10.
Network does work with 10.04 but is extremely slow. Website loading is initially quite fast but then slows to a crawl. Second and third tabs appear to stall completely, waiting for the first tab to finish.
All of this works just fine under 9.04.
Toshiba M45-S165
1.5 GB RAM
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Feb 8, 2011
I have a problem multitasking in ubuntu. all i want to do is be able to browse the web or play a game while listening to music, currently trying to do this slows or makes music lag.I have a dual core processor and 2 gb of ram, and ubuntu runs lightening fast, even while multitasking everything but the music runs great. i can do this in windows, so i dont see why i cant do it in ubuntu.
i have watched my cpu and ram monitors while doing this and there are plenty of unused resources, i believe neither processor core ever tops 20% while trying to do this, and ram, 7%. I want ubuntu to use the extra resources instead of taking away from my music playback. And what i mean by games are like quadrapassel and simple stuff, im not trying anything difficult. So my question is; Can i make ubuntu use more resources, or never sacrifice music quality?
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May 31, 2011
I have Ubuntu 10.10 running on a Dell Latitude E6500 notebook and am using the Broadcom STA wireless driver (just in passing, same happens on Mint 10).
My problem is this:
- when the computer is plugged into a power outlet, wireless works fine, but
- when the computer is running on battery, it hardly works at all: The network strength indicator item still shows the same connection strength but data are not transmitted anymore or only extremely slowly (google.com might 2 minutes to load).
The drop in performance literally happens 1 sec after unplugging it, and once the notebook is plugged into external power again, it resumes after a few seconds. (I have tested this with big downloads where you can see Firefox's or the Update Manager's download speeds.) The BIOS doesn't seem to have power saving settings that make that happen, and I haven't found any in Ubuntu.
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Aug 4, 2010
I started unarchiving a RAR file that this several gigabytes big. The computer is now going really slow, it's almost frozen. Sometimes I can move the mouse a little, but that's it. The unarchiving process seems to have halted, so now all I can do is restart the system. I don't think I can unarchive this file in Linux.
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Mar 4, 2010
Recently my boot time went from barely 2 minutes to more than 10.it goes to text from the splash logo and a line shows :"running dkms auto installation service for kernel 2.6.28-18-generic".And then each 3 or 4 minutes it shows a driver (for a total of 3) : nvidia, vboxdrv and other one related to vbox.I've scanned through syslog but I can't find anything related to this issue.
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Apr 3, 2010
Installed Karmic or upgraded to it, and the Time Date in the upper right loses time now after upgrade to Karmic. Worked fine before upgrade so it is not hardware.
Ubuntu 9.10 (karmic)
2.6.31-21-generic
4.4.1 (i486-linux-gnu)
Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz
GeForce 7300 GT
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May 27, 2010
I have a newly installed Dell Optiplex 755 with Ubuntu 10.04 (64-bit) and I am having serious issues with network copying. Whenever I start rsync och scp with larger amounts of data my system becomes practically unresponsive (all types of apps grey out) until those processes are completed. Cpu stays at below 10% and I have lots of free memory and such .
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Jun 24, 2010
I'd noticed the RAM-usage issue, in that at boot and without browsers running, it sits right around 50% memory usage in both desktop and laptop. Again, no problem there. What kills me is when I run Firefox and Chrome at the same time (which I often due for development reasons, and because I have various accounts set up in each). When that happens, RAM usage will push 85-90% or higher. If this were just caching I wouldn't care, but this actually causes the whole system to slow down. Tabbing between pages slows down, sometimes the whole desktop will freeze for a second or two, it can take up to 10 seconds to get the screen back from the screensaver, applications & menus are slow to respond, etc etc. Killing one of the browsers will knock RAM usage back down to 70% or so and the sluggishness stops. I could have an identical number of windows open (two browsers w/ several tabs, big GIMP image, multiple small apps in parallel).
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Dec 30, 2010
im using ubuntu server 64 bit on intel atom410D. when im using my SATA DRIVE as AHCI mode while i moving 4 GB files from one partition to another my server is getting so slow that it will take me to login on ssh 2 minutes. so i have seen a thing or two about a bug on it. i changed the AHCI mode to IDE mode and now it seems to work better.
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