Ubuntu :: Very Slow Response - How To Troubleshoot?
Jan 11, 2010
My Kubuntu installation (9.10) boots up normally and seems to run fine, other than it is very slow to respond to inputs or change screens/ applications etc. It can take 5-10 seconds to respond to simple requests like changing from firefox to dolphin by clicking in the taskbar. It is dual boot with XP, which also seems sluggish, but is bearable.
The computer is barely useable in Kubuntu because of the slow response. I had 9.04 installed before, same problem. I tried searching for drivers for the on board video, thinking that might be it, but came up empty.
[Code]...
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Jun 14, 2011
F15_x64, upgraded from F14 on Sandy Bridge. Any idea how to troubleshoot this slow loading service?
Code:
[root@sandy andy]# systemd-analyze blame
4598ms udev-settle.service
1611ms fedora-wait-storage.service
Code:
[root@sandy andy]# systemd-analyze
Startup finished in 2024ms (kernel) + 1527ms (initrd) + 11217ms (userspace) = 14770ms
[root@sandy andy]#
[Code]...
I've tried systemctl disable udev-settle.service, but it doesn't work, service loads on every boot.
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Apr 1, 2011
A couple of days ago my internet connections suddenly became very slow/intermittant.
I thought the problem was at my DSL provider but after more checking the problem seems to be in Ubuntu/Linux somewhere.
Reason: I can dual boot with windows 7 and have no ptoblem at all. Also I tried a Ubuntu laptop on the same router ethernet port and it also works fine. So its not my hardware or my provider, and its not a general Ubuntu problem either.
There are no error messages in any of the /var/log files and ifconfig looks normal.
It seems to be a DNS problem as it's the initial connection to a host which often times out. If I get a connection, I can e.g. stream an radio station fine.
If I try to e.g. traceroute any host it times out (no reply).
Ubuntu 10.10 is totally up to date as of today.
I'm stuck! How can I troubleshoot this to find the cause?
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Jul 18, 2011
I have an Ubuntu 10.04 server here, and this week internet sharing got too slow... i dunno if it is a squid problem... but it's too slow. And when i try to registar a domain for that server, bind gives do response. If i dig my server inside lan, it's working pretty well.
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Sep 30, 2009
I have Fedora 11 installed on a Dell Precision M60 lap-top, running KDE. I've used KDE for years, but a number of issues with KDE 4 had forced me to look at alternatives recently. With F11, KDE 4 seems to be getting more functional, being more or less usable for real work... However, a couple weeks ago, I ran "yum update" and picked up KDE 4.3.1, and while it seems to have fixed a few more things, there also seems to be a regression in terms of performance - on this lap-top anyway.
Basically any window operation -- opening a new one, moving, resizing, even moving the mouse from one window to another (I use auto-focus) -- is slow, and during this time the CPU load from the "X" process becomes very high -- close to 100% according to "top". When not "touching" any windows, CPU load goes back to normal. I did run across some advice to turn off desktop effects, which I did -- it reduced the sluggish response slightly, but the problem is still present. And I had the same settings before the update, and performance was fine.
Here is some info about this machine:
Dell Precision M60 lap-top
CPU: Intel(R) Pentium(R) M processor 1.70GHz
RAM: 1 GiB (not a lot by today's standards, but this issue does not seem related to swapping)
video: nVidia Quadro FX Go700 (using default installation, nouveau driver)
display: 1920 x 1200
kernel: 2.6.30.5-43.fc11.i586
KDE: kdebase-4.3.1-2.fc11.i586
nouveau: xorg-x11-drv-nouveau-0.0.12-40.20090528git0c17b87.fc11.i586
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Dec 3, 2010
I'm a little stumped on this one so I reaching out to see if anyone here has any idea. I just changed my ISP to Surewest as they're doing fiber straight to the house in my area so I have 8Mbps up and down.
I have my linux box running openssh and I have no problems SSHing into it from my remote laptop at work. I use putty to connect to it and create a tunnel so I can configure my firefox to use it as a SOCKS proxy. The problem is my response time for page loads in firefox is atrocious now. It'll take over a minute to load yahoo.com. The only real differences in my setup now are my ISP and router hardware at home. Previously, I was using the firewall that was built into my AT&T Uverse gateway. Now, I'm using my old Linksys WRT54G v5.0 router with the latest firmware. My linux box is wired directly into it with ethernet. When I run the speed tests from that box I get my correct speeds of 8Mbps up and down with <15ms ping. From what I can tell, all of my router settings are correct.
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Mar 26, 2011
I know this doesn't matter to most people because most people hold shift to capitalize letters. I tap the caps lock with my pinky whenever I need something capitalized. I'm a pretty fast typer, I just don't type correctly. How do I get it so that when I'm typing and I hit Caps Lock for it to be an instant effect? For example this is what I'm getting annoyed with, here is an example of what I am having to recorrect everytime I type.
HEre IS AN Example. MY NAme IS Zachery GOchenour.
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Jul 20, 2010
I have installed Centos 5.4 with Sendmail 8.13.8, i have modified sendmail.mc file and compiled to sendmail.cf with following lines
1. TRUST_AUTH_MECH(`EXTERNAL DIGEST-MD5 CRAM-MD5 LOGIN PLAIN')
2. Define define(`confAUTH_MECHANISMS', `EXTERNAL GSSAPI DIGEST-MD5 CRAM-MD5 LOGIN PLAIN')dnl
3. DAEMON_OPTIONS(`Port=smtp, Name=MTA')dnl
My problem is that when i try to open port 25 with telenet it takes lot of time like more than 1 minute to open session and another 30 - 40 seconds to respond to "ehlo" command.
Also when i try to open telnet session on port 25 in another server it hardly takes 1-2 seconds open session.
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Jul 19, 2010
firstly it took a very long time to display the browser.After the browser was working on my localmachine it took really long time to show the response.I am doing all this on internet and the server has bandwidth as 6Mbps and my internet connection has a speed 1Mbps what could be the reason for such a slow response.The same exists in case of Chromium is there a way to make it fast.Ubuntu 10.04 server edition and ssh2.
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Sep 2, 2014
I am having some issues with the typing speed in gedit. When typing the response is usually really slow,It can be up to a second or so between rendering keystrokes. I don't believe it has anything to do with resources. I have checked the processes running when it happens and everything looks pretty normal cpu usuage is also very low at the time. The system is very responsive with everything else at the time.
I only have this problem with gedit, gvim, vim, nano etc are fine. Maybe an issue with a GTK lib of some sort? The problem happens with very small files like little bash scripts. I have including some info about the system ...
System: Host: debian Kernel: 3.14-2-amd64 x86_64 (64 bit gcc: 4.8.3)
Desktop: Gnome 3.12.2 (Gtk 3.12.2-3+b1) dm: gdm3 Distro: Debian GNU/Linux jessie/sid
CPU: Quad core Intel Core2 Quad Q6600 (-MCP-) cache: 4096 KB
flags: (lm nx sse sse2 sse3 ssse3 vmx) bmips: 19200
Clock Speeds: 1: 1600 MHz 2: 1600 MHz 3: 1600 MHz 4: 2400 MHz
Graphics: Card: NVIDIA GT200 [GeForce GTX 260] bus-ID: 01:00.0 chip-ID: 10de:05e2
Display Server: X.Org 1.16.0 driver: nvidia Resolution: 1920x1080@60.00hz
GLX Renderer: GeForce GTX 260/PCIe/SSE2 GLX Version: 3.3.0 NVIDIA 340.32 Direct Rendering: Yes
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Aug 5, 2011
While Blender 2.5 may be stable, the Python API is not. According to the Blender website... Note: The Blender Python API has areas which are still in development. The following areas are subject to change. -operator behavior, names and arguments -mesh creation and editing functions.
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Dec 23, 2014
I am running Wheezy on a Lenovo ThinkPad W530. When using the hotkeys to control screen brightness (Fn+F8/9) there is a 10-30 sec delay before the screen changes.
From Brightness Settings it changes instantaneously. It seems to be the same issue as this. I tried the fix in comment #5.
I added "acpi_backlight=vendor" to GRUB_CMDLINE_LINUX_DEFAULT in /etc/default/grub then ran update-grub. After restarting I could not control the screen brightness at all.
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Jul 22, 2010
I have opensuse 11.3 (64 bit) with nvidia 8400GS (256 MB ram). The system is a core 2 T7500 with 4GB Ram. I have installed nvidia drives (through nvidia's .run file, versison 256.35)
1) When i connect an external monitor (1440x900) and use separate x-screen+ xinerama (laptop has 1280x800), desktop response is really slow. Moving windows,switch tabs etc make desktop (kde) barely useful. Especially if i open a large txt file it is almost impossible to scroll through this file.
xorg file (see attached file) is been created by nvidia-settings.
One minor solution I found is to use 16 bit (instead of 24bit) color. This makes everything better, but still not fast enough. I do not use desktop effects.
An important note: This happens only after some period of time. After reboot everything seems to be ok for some time, but suddenly something changes and I have slow response.
I do not have the same problem under windows.
2) How can i specify that laptop's screen be the default, so it can have the taskbar?
3) When i disconnect the external monitor and restart x, then the laptop screen goes to 1024x768 and not to 1280x800. I have to create another xorg.conf and restart x. How can I make just one xorg file, and the system automatically adjust resolutions regarding if i have one or dual monitors?
Code:
# nvidia-settings: X configuration file generated by nvidia-settings
# nvidia-settings: version 256.35 (buildmeister@builder97.nvidia.com) Wed Jun 16 19:14:45 PDT 2010
Section "ServerLayout"
[Code]....
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Mar 14, 2010
I've noticed over the past few months that my internet connection speed (D/Ls, browsing) are getting incredibly slow, but only on my linux box (my laptop, for instance, is fine - in fact, I'm dual-booting with WinXP and it isn't happening there, so I think I've managed to narrow it down to the OS alone):
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Feb 15, 2011
My notebook is using intel core 2 duo T6400 CPU and 2GB Ram, when I am playing MP3 with Amarok and at the same time running Firefox, the computer tends to hang and slow in response to open new website.IS it due to my hardware?
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Jul 19, 2011
when I try to access any page even small html pages it stays like 3 seconds in HTTP request sent; waiting for response. state..even when I use Lynx locally on the server..bypassing any possible network issues..logs dont show a thing..the server itself is a high end server with nothing running on it apart from apache which is not serving anny clients now, firewall is disabled and hostnamelookups are set to OFF.
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Apr 8, 2010
I was trying to get rid of some sound issues, in the process I removed Pulseaudio, then I found a post with a couple of packages from a ppa that were made for using Alsa without pulseaudio. I can't find the link now as I'm on a different pc, but 1 package was named Gnome applet, another Gnome media (I think) and I can't recall the third. It really did nothing so I removed them and reinstalled the Pulseaudio packages to atleast get some sound back. I got right back where I started until I rebooted.
Now it gets to the splash screen, flickers a couple times and I get a giant generic login screen If I log into that, I go back to the splash screen and the same login all over again. I tried to repair packages with the recovery mode but it didn't do any good. I also tried renaming xorg.conf just for the hell of it so a new one would be made but that really didn't do anything either.
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Oct 19, 2010
I have a macbook specs here: I have discs for Ubuntu + Kubuntu, 10.04 and 10.10 for both. When I put these discs in the computer, it reads them and I can boot from them, although when I get to the initial screen where it asks you what to do, like install ect, , , , after I select an option the screen just goes black, I've waited up to 30 minutes but nothing. I can't troubleshoot anything because nothing comes up. I've tried searching online for similar problems to no avail.
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Oct 13, 2010
Just upgraded to maveric desktop and can't switch to console no longer. Pressing ctrl-alt-f1 etc pauses the screen and removes the mouse pointer, the console is not shown. Pressing ctrl-alt-f7 unfreezes the screen again and shows mouse pointer.
I know it doesn't happen to many other people but happened to me. Any ideas how to troubleshoot/fix?
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Jan 31, 2010
Wireless not working. get that to work?
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Apr 16, 2010
am having issues with a corrupted ext4 filesystem. My machine has run flawlessly for weeks, then all of a sudden I am getting messages that I can't access various directories, and on reboot fsck dumps to a command line. So far I have been able to fix the problem by manually running fsck. However, this is the second time that I have run into this problem; the previous time I ended up throwing out my hard drive and doing a clean install.I am running a clean install of Karmic Koala, software RAID, 4 Gb RAM, two 500 Gb Western Digital SATA drives, with an Intel E7200 2.53 Ghz dual core processor.Among other applications, I run VMware 7.0 for the occasional task for which I need a Windows program.
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Apr 22, 2010
I installed Simple Backup Suite [URL] on this Karmic box last week and it ran fine the first time. Now it locks up shortly after I tell it to run a backup. ps shows
Code:
3273 ? 00:00:01 gksu
3274 ? 00:00:01 simple-backup-c
3279 ? 00:00:02 sbackupd <defunct>
3287 pts/0 00:00:00 ps
I re-installed the application, which didn't help.
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Jun 2, 2010
My local area network is always time out for few seconds.I have check my memory with "free -m"There are still left 200+ mb left.I am hosting my own ubuntu server, and I share the same internet line with my server and pc. when I access to LAN, I need to type 192.168.2.2, at outside I can access to [URL]It is only the LAN access timeout, but when I access at outside, I didn't face this problem at all.
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Sep 18, 2010
I've been running an Ubuntu VM (10.04 LTS) on my Win7 (Home Premium 64bit) desktop successfully for several months now using VMPlayer (v3.1.1). My problem began when I booted up the VM today - my wife decided to reboot the PC without gracefully closing down my applications when Windows told her that she needed to reboot to complete security updates.
When I booted up the VM, the Ubuntu desktop went right back to the exact same state that it was in before the host reboot - the same programs were open, I didn't need to log in, etc. However... I now have no networking. The network icon (NetworkManager Applet 0. shows the red exclamation point. If I click on Auto eth0, it attempts to connect for a bit, and then says "offline".
My VMware Player settings for this VM are configured for bridged networking, and the "network adapter" icon shows online. If I go into the VMWare Player settings and change the networking to NAT, and then click on Auto eth0 again, the networking comes online. However, I don't want NAT - I want this Ubuntu client exposed to my network with it's own IP address.
At this point, I'm really not sure if the problem is within Ubuntu or within VMWare Player, or something on my Win7 host. I have zero skill at troubleshooting within Ubuntu - still fairly new to the linux scene. My Windows firewall is turned off. DHCP is enabled on my network, and the router is available.
Any ideas on how I might further troubleshoot this problem?
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Oct 12, 2010
Ever since I upgraded to 10.10 (via update, not from scratch), Thunderbird suddenly ramps up CPU usage within the 10 seconds of being started. No add-ons are enabled. Anyone have this problem or can help me troubleshoot?
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Dec 8, 2010
After updating recently VLC does not play audio or video, and it does not complain about not being able to do so, even when running from terminal.
The version is VLC media player 1.0.6 Goldeneye.
I have tried resetting the preferences.
I don't know how to troubleshoot any further..
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Jan 27, 2011
My movieplayer won't start up completely and when i try playing
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May 21, 2011
I have just installed ubuntu 10.10 on an Acer Aspire 3610 notebook. 2 GB RAM. This notebook had Internet access previously via Windows XP (now erased). Here is the partitioned drive. Two ext4 partitions for ubuntu "/" and "/home". Two ntfs partitions possibly for Windows. I have booted up the fresh installation of ubuntu 10.10. I had some glitch where I saw "Operating system not found' on booting from HDD and I wondered if this was due to failing drive.
But I've run a full test using Disk Utility and it shows as healthy. This message has gone away (I don't know why) and I can boot into ubuntu. The problem I'm trying to solve is simply no internet connection. Here are some outputs from commands ..
[Code]....
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Jul 14, 2010
I installed the ubuntu 9.10 cd and for some reason as of last night it only boots halfway. it shows grub, shows loading keymap nd apparmor profiles, then before it shows mpd and apache load it erases everything and stops at a dark grey screen. all before i get a shell of any type. if i leave it alonethe screen still darkens like its going to sleep. is there any way to troubleshoot and fix this?
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Aug 9, 2009
I recently installed F11 only to find my soundcard wasn't supported (Asus Xonar Essence STX). I read around a bit and saw that kernel 2.6.30 supported it, so I upped the kernel to 2.6.34
So I configured/compiled my kernel, restarted and it showed up fine in the boot loader. Only problem I have is when I go to login through the login prompt, it acts like it is going to login only to get kicked back out to the login prompt again. I tried to login through the terminal view.... everything checks out there.
I am fairly new to linux in general so I have no idea how to troubleshoot this. I tried finding an error in it but I couldn't find anything.
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