Ubuntu :: Get About 25 Kb/s Average Speed When It Doesn't Completely Drop?
May 1, 2010
Upgraded from 9.10 to 10.04 Thursday night. My internet was working perfectly under 9.10, but when I turn my comp on friday morning, my internet speed has been crippled to almost a halt.
In short, I get about 25 kb/s average speed, when it doesn't completely drop me. Under 9.10, I had 250+ kb/s. Why is this? I figure it has to be a bug, but is there any way to fix it? It's rendering my ubuntu install completely useless. I'm lucky I got my windows partition fixed, or else my laptop would be more or less a paperweight for a while. This is on the same laptop by the way, same internet connection.
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Dec 7, 2010
I recently upgraded from Fedora 11 to Fedora 14 on my Dell Latitude E6400 notebook PC. It's a Dual core processor, as seen in the uname provided below:
uname -a:
Linux COMPUTERNAME 2.6.35.6-48.fc14.i686 #1 SMP Fri Oct 22 15:34:36 UTC 2010 i686 i686 i386 GNU/Linux
redhat-release:
Fedora release 14 (Laughlin)
Since the upgrade, I've noticed some unexplainable behavior: The load average is consistently 0.5 - 1.75 when my PC is completely idle (99% according to top). No processes are in the D (I/O) state, and I have no Zombie processes. This happens on a fresh boot, every time. It gets worse and less worse, and bounces from unusable (cursor stops moving as I type in the terminal, to actually losing keystrokes at times). I'm wondering if anybody else is experiencing similar issues, or knows of a (the) kernel bug which is causing this behavior? Actively researching the issue. I've come across the following: Tens of wakes per second in "[kernel scheduler] Load balancing tick" on Core 2 Duo even with only 1 core enabled
[Code]....
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Jul 22, 2010
So I've been messing around with the opacity settings in ccsm and I can't figure out how to make the drop menu color completely transparent.. I can adjust the opacity in ccsm, but that also changes the opacity of the tekst, and that's not so good..
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Mar 21, 2010
I am having problems with download speeds in Ubuntu 9.10. Downloads start at a healthy speed and then drop to almost zero. This affects apt-get install, Pan newsreader etc. With apt-get install if I terminate the download (with [Ctl][C]) and restart it I get another burst at high speed then again back to almost nothing. It makes updates a nightmare. With Pan newsreader I get high speed for most files but when downloading some of the larger files the speed drops right back to almost nothing after a while. I am on wired ethernet (no wireless). Typically I will get about 1.1MB before the speed drops - although I think it may be a function of time rather than data. I am talking to my ISP via a Netgear FWAG114 router and a NetComm NB5 ADSL modem operating in bridge mode. Although a number of users appear to have experienced very similar symptoms here I haven't found an answer that works.
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Jan 15, 2010
I've been using Ubuntu 8.04 for about a year and the wireless has been fine but now it's gone screwy and I can't figure out why. This has happened on my laptop and wife's who uses Ubuntu Hardy also. The speed drops to almost 0 mb/s whenever the signal strength is less than 95%.
It isn't the internet connection as vista (I dual boot) works fine below 95% signal strength. To get the internet speed to be at a level that can load an internet page, I have to within 3 feet of the router!! Both of the laptops don't use ndiswrapper, the internet connected straight away from a fresh install.
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Apr 23, 2011
It's also because I've never had any big problem. The last openSUSE I used without problems was/is 11.2(I still use it as main desktop because of problems since 11.3).The problem is - the DL speed is repeatedly drops down to around 156KB/s albeit my top speed of router-NIC combination is at 21-22MB/s. When this happen and open network manager and click/reload my wifi or restart wireless or even computer, the speed is back at the top. But after few seconds, minutes it drops down again, and so on. I made some images(to see it on the network manager draphs):after that drop-off:and restart wireless:Best chance to see it is when downloading more files with FreeRapidDownloader or JDownloader. Upload speed is OK. The first time I've seen this problem in 11.3, which i've skipped in hope that 11.4 will be ok and now, as the EOL of 11.2 is coming I'd like to go on.It's also desktop and installation media independent(Gnome works similar, DVD, LiveCD).I've checked many other distributions and none of them had this problem. But openSUSE is my love, so i need and want to solve it
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Apr 8, 2010
I am just checking in I know a lil about linux looking to learn more I know forums are the best way to go. I recently installed centos 5.3 on a machine we are going to be using as a squid server. Just a couple quick ?s and just wanted to pick your alls brains. What I am trying to do with the server is use it for caching to speed up our network t but I don't want to go around to all the our customers to setup their browser for proxy. What all is involved with making this server completely transparent. So the end user will does not need to enter in proxy information.
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Nov 13, 2010
I try this command:
$ sudo su -c 'sync && echo 3 > /proc/sys/vm/drop_caches; free'
And here's result:
Code:
total used free shared buffers cached
Mem: 1017108 405280 611828 0 8 183324
-/+ buffers/cache: 221948 795160
Swap: 0 0 0
Why after drop_caches do i still have lots of data cached?
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Apr 28, 2011
recently i started this thread on natty narwhal testing but that sub-forum is closed and still i have the problem,i was beta 1 and update frequently,and each time i did that there were about 23 MB download for updating lists,now when i do that there is only 17.7 KB of download,this means the other lists are finished and I'm on final release or my lists are crashed?I've tried
Code:
sudo apt-get update
sudo apt-get upgrade
[code]....
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Dec 1, 2010
i have installed ubuntu ultimate edition 10.04 in my toshiba c650 recently,however it is taking too long before it startup. 2 when i log off the cursor still remain untill all power have been discharged. what could be the problem
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May 1, 2010
I have a new install of Karmic on my system with a flyvideo 3000 tv card installed. My problem is that it doesn't find any radio channels and the input channel is completely wrong. I don't have any sound on gnomeradio and can't find the config files to change the input channel. The only input option available to me is dig1 - can anyone point me in the right direction?
I have already read the Howto for this tv card and changed the device to radio0 in the setup. I have setup tvtime perfectly with sound channel as well as with a 5.1 surround configuration. I am missing my favourite radio channel. and I want to get rid of my windows installations once and for all! Update: I did a system update and some things have changed: the radio tower graphic on gnomeradio is now green (I assume it is getting a signal) but no sound yet.
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May 10, 2011
I installed Ubuntu 11.04 from a downloaded CD onto an old computer. It replaced the old Windows that was on it (that is what a wanted). The machine is a AMD-64, I think the video is a Radeon.When I reboot it only gives meubuntu login: I give the name, and then the password, and what I get is the following:gilles@ubuntu:`$How do I get my Ubuntu desktop?
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Oct 17, 2010
As a normal user I have activated the functions of the Quit applet, i.e. Logout, Shutdown and Restart are active buttons. I am able to restart or shutdown, no problems. But when I use the Logout button I don't get logged out, just returned to the login shell & I am still logged in as my user. I don't have a display manager installed and I do NOT want to use a display manager such as XDM or GDM. How do I get the Logout button to actually logout the user? It appears I am only getting logged out of the x-session, but I want complete logout.
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Jul 23, 2011
Ubuntu 64bit. The sound system works and plays noises correctly when I test the speakers in sound preferances. The internet BBCi player(Radio) plays sound correctly. Banshee & Rhythmbox try to play music files at double, or more, speed with no sound output. Spotify Linux version also tries to playback at double speed with no sound output. Media Player attempts to play music files at high speed. Media player plays the Video and audio tracks at high speed. VLC Will play the video at normal speed but with no audio.
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Dec 20, 2010
i both have the same problem, i'm trying to burn my images at 4 or 8 speed, but ubuntu 10.04 says that the hardware does not support that kind of speed and switch up to 16 speed and more. i know it can burn at low speeds, at least in windows, it is a bit strange that fast burning is okee, and slow not, what can i do to prevent this? i don't wanna burn to much errors on my discs
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May 18, 2011
I am a long supporter of Ubuntu and faithfully been updating every release from 8.04 till 10.10 ...I use an old Laptop with 512 MB RAM.I was not able to run the default Unity and I was dropped to GNOME .. This is the first time I am seeing a difference in Ubuntu trying to cater only to the more modern computers,.. Is the original spec of 384 MB RAM in previous versions no longer hold good?
I have an NVIDIA Card but I guess that is not enough..Any idea what is the problem in my config:Dell Inspiron Centrino Proc (1.4Ghz) , 512 MB DDR 1 , Nvidia.
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Mar 3, 2010
does anyone know how to calculate an average in a simple way with bash? I've got something like this:
Code:
$ cat results.txt | head -10 | tr " " " " | cut -f13
0.23929285124
0.404716908011
0.35113102608
[Code]....
and now I want to calculate the average of the resulting numbers. I know I could write a bash or awk or perl script and use that, but isn't there a more simple, elegant way? There is for example "sum" in the coreutils, but no "avg"..
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May 5, 2010
Since upgrading from 9.10 to 10.04, my system is noticeably less responsive and exhibits halting behavior for at times 10s of seconds. There is nothing obvious in the various logs that I can find. The only objective indication I can find that demonstrates that something is seriously wrong is that my load average never drops below 0.5 and is often over 1.5, even at idle. In this situation, top/ps/whatever shows very few processes running (usually just top). This suggests to me that either the new kernel scheduler is horrible or that something new is resulting in blocking I/O or other uninterruptable sleeps.Typical top output:
Quote:
top - 12:18:01 up 1 day, 49 min, 5 users, load average: 1.42, 0.86, 0.71
Tasks: 262 total, 1 running, 261 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.9%us, 0.8%sy, 0.0%ni, 97.6%id, 0.0%wa, 0.0%hi, 0.7%si, 0.0%st
[code]....
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Jun 15, 2009
I read the man pages of batch and it says that commands or scripts scheduled using the batch command will only execute when the load average goes below 0.8. As a newbie I hardy understand what it means. Does it mean that the system resources are busy?Ans since I want to see the o/p of the commands I have set using batch, is there any way i can bring the sys load average below 0.8?
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May 7, 2010
A server of mine previously running ubuntu 9.10 used to be between 0.01 and 0.10 load average during the normal load of users using various server programs on it (mostly apache with php scripts).
Now, after upgrading to 10.04 (which went smoothly for the most part), the load average is much greater under the same user workload, hovering between 0.1 and 0.3 under very light work and up to and over 1 regularly when more users are accessing the same scripts.
Are there any known issues that would cause greater usage of the same resources in lucid, or are there any ways I can trace what's causing the higher load? Downgrading or starting with a fresh install are last resorts, as there are a lot of customized options specifically set up for this server and I'd rather not go through backing them all up and restoring them after a complete wipe.
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Oct 15, 2010
It's the fourth time now since Maverick that I had to cold reboot my system because it was totally unresponsive. The system monitor in my taskbar shows 100% on the background blue graph (I guess that's just one core then) and almost nothing on the other core. On the last freeze I managed to open 'sudo top' before it went totally unresponsive and saw that there was no high CPU usage at all, but a load average spiking above 24. Also the swap seemed to be full although my machine usually never uses swap. I was watching a movie with VLC this time, but I'm not sure if VLC ran the other times my OS froze. I made a snapshot with my cell phone: [URL]. How I can prevent a process from causing so much load?
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Nov 26, 2010
I am having a problem with the server that I use to host my personal site. The load average quite often spikes to exceed 1.00 for the 1 and 5 minute intervals, and the 15 minute interval gets above .5. This occurs while the server is idle, serving very few or no requests and with the CPU 99% idle with <1% IOWAIT usage. I have checked top and vmstat, but neither one provides any useful info. Top continues to say the CPU is 99% idle, and vmstat says that there are 0 runnable and 0 blocking tasks. Occasionally, vmstat will say that there is 1 runnable task, but this doesn't even coincide with the load average spikes. I have already searched for other solutions to this problem, but everything I have seen says to use top and/or vmstat, but those aren't showing anything out of the ordinary. Can anyone recommend anything else I might do?
My server has a Pentium 4 HT 3gHz processor, 2GB RAM, and runs Kubuntu 10.10. (The reason it runs Kubuntu instead of Ubuntu Server is that it needs an X environment so that the Nvidia driver can initialize and put its graphics card into a power saving mode.)
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Jul 12, 2011
I was struggling to find the information so I thought it would be easier to ask here. What does the load average as reported by top mean ? To me those are 3 mysterious values, which most likely refer to some average CPU usage and this is all I know about it (not sure if it's true).What is the maximum value for this parameter (I guess the minimum is 0.00) and what does it mean ?
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May 19, 2010
How to get the load average for each CPU core in multi core(eg:duel core machine) processor environment. I tried using,
Code:
1. cat /proc/loadavg
2. uptime
3. top
But all of those commands gives the load average for whole system but not particular CPU core. Are there a way to take the load average for CPU core(Or any mechanism that can be done programmatic manner).
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Feb 11, 2010
How to reduce the load average? I have two linux machines.. now my problem is that both the machines having same configuration and same processes are running in those two machines... But in one machine the load average is more than 3 and in other it is 0.5(when i am using top command).For this load average one machine(where load average is more) is slow when i am running application on it..
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Aug 10, 2011
I wrote a script to extract and get the the name of *.gz in a foler . Since running that script every 10 minutes, load average on my server increases more than 10.I checked with 'top' and it showed many D process.
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Dec 14, 2009
The load average is almost 1.06, but cpu is not 100% utilized... I am just wondering why load average is 1.06 in that case still ? (well i monitored cpu for long time, it never exceeded above 40%)can anyone explain the reason behind it ? Also is the system over utilized in this case ?
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Aug 18, 2011
I am having Red Hat LINUX 5 Enterprise Server and facing problem regarding very very high server load (load average is going high up to 60-70)due to which server is getting hang.
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Oct 21, 2010
I have been exploring and people tell me its .tgz or something I think it could be .bz2. If you think you know what on average compresses files the best just post. I have a relatively fast computer.(So compression speed is not an issue.) Ratios on file compression are a good sign of how good some file compression formats are. I have heard bz2 gets on average 3 to 1. I have been getting 2 to 1.
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Jan 27, 2010
With array in php. All I was having the following columns:
Code:
Now Like the Above there were more variables defined through script:
Code:
Now what the above code is doing is calculating average of above values from columns{1-?,4-?)..likewise
Say If I remove two Machine and calculate the avg.
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