Ubuntu :: Fan Stops Running After A Couple Hours?
Apr 17, 2011
I am unsure if this is a hardware problem or a linux problem. My machine is only 3 months old so it is not the fan. I didn't have problems until recently, and after the latest kernel update it got worse - having to restart more frequently.
I do not experience the fan turning off in windows. I use thinkfan when I have to but it isn't a very good program for an every day basis. The fact I can force start the fan with thinkfan when it turns off leads me to believe it is a kernel issue.
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Mar 8, 2010
I have a hp dv3 laptop which dual boots Win7 and Ubuntu 9.1 64 bit. I have no issues with my wireless adapter in Win7, but I lose connection after a couple of hours in Ubuntu. When connection is lost it is not possible to view any wireless signals, the adapter is basically turned off. The only way to restore the connection is to reboot, then Ubuntu will again automatically connect to my WP2 encrypted router. My wireless adapter is a AR928X made by Atheros.
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Sep 28, 2010
This is Plesk linux server.I am using CentOS release 5.5 (Final) OS. Server seem to crash every couple of hours. Perhaps apache has memory leak?
Sep 28 07:06:29 wed kernel: Call Trace:
Sep 28 07:06:29 wed kernel: [] out_of_memory+0x8e/0x2f5
Sep 28 07:06:29 wed kernel: [] __alloc_pages+0x245/0x2ce
Sep 28 07:06:29 wed kernel: [] __do_page_cache_readahead+0x95/0x1d9
Sep 28 07:06:29 wed kernel: [] __wait_on_bit_lock+0x5b/0x66
[Code]....
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Feb 11, 2010
i have a problem. when i changed from xp to linux mint 8, my speakers seem to just give up on me after about 2 hours of use. the only way i can fix them is to restart the computer.
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Sep 9, 2010
this problem is quiet enoying, so i hope that somebody can help me tracking down this problem and find a solution. When i open vlc or exaile and queue a list of tracks, after playing some hours, the sound hangs and in the music player repeats the same 1 second audio part like a hickup, in video programs like vlc also the film freezes.
i have the latest libraries of gstreamer from packman installed and i also tried updating the pulseaudio libraries from multimedia repo. but the problem is still the same
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Jun 30, 2010
Running ubuntu 10.04.The sound works perfectly when I first boot the computer.hen when I go idle and come back a few hours later, it stops working.Not sure why. Also, another side effect I noticed is that video sometimes fails to play after the sound has stopped working.Killing pulseaudio will restore video playback, but restarting does not restore sound.
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Jul 19, 2009
After "yum install emacs" & "yum install emacs-ess", I was able to install emacs on my X86_64 running Fedora 10.
If I run one session of emacs everything works fine.
Once I start a second session and try to resize or move the emacs window, the system stops responding.
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Nov 18, 2010
I am using Gstreamer for creating one of my video streaming application. My application creates multimedia session and then stream around 200 video sessions (a very processor intensive job).In doing so, the no. of threads created is around 1500 and I have given around 1536 KB as my stack size for each of these threads. I have one Quadcore(intel Xeon) system of around 8 GB of RAM(64 bit) with RHEL 5.5(kernel - 2.6.18-92.el5). After few hours of testing I see that my overall memory(RAM) is eating up. I did checked the memory and I saw that my cache size is growing. So far so good, as I can understand that system does cache instead of leaving some RAM free.
My problem comes, when I see that after almost 20-25 hours of testing, RAM is continuously being eaten up and maximum part of that is going into cache. If I leave the system for few more hours I see whole of my memory is consumed up and now my swap started getting used. If I check the cache now, I clearly see most of RAM is now in form of cache. I still didn�t stop my application and allowed it run for few more hours and after sometime I see that process give segmentation fault while creating the pthread (create_pthread::unknown error 513).I also tried to observe the �core� file of application created in this way , but it doesn�t� show anything.
One thing I must mention that, in �top� I see almost constant values of resident memory, virtual memory and shared memory. There is no increase of memory usage here. So here I can assume that my application is not leaking the memory. I also observed that if I kill my application any time during this, the memory doesn�t go into free pool. Anyone, here can give any pointer for this kind of behavior. Is it can be because of some kernel BUG which is not freeing the memory to application usage.
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Apr 24, 2011
I was looking for a way to send email to the outside world and installed mutt, and noticed that when my pc starts port :25 smtp is up, so I figured that I could send email to the outside, after a few seconds it shuts down.... what could that be? and do I need to install a full flesh mail server in order to send outbound email?
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Feb 18, 2010
I am trying to install CentOS 5.2, and the installation ran out of disk space after running for about 2 hours.I checked the FAQ, and it said 1.2 GB. The disk is 3 GB. The default install was selected, and I think that it checks for sufficient available disk space before installing. Still, it ran for quite a while before announcing that it was out of disk space.The Installation Guide is not very helpful, since there is a blank page where the disk space requirement is supposed to be. I just picked the default installation. A search of the forums on "not enough disk space" did not return much.
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Oct 6, 2010
I recently downloaded Ubuntu and I have installed the software successfully on a Dell laptop at work, however when I tried to install it in my home laptop it fails � the CD runs I get the Ubuntu load screen and then nothing. The CD stops running and I get a blank screen.I think it may be related to the screen driver, is there a way to see what is going on?
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May 17, 2010
I have 10.04 (kernel 2.6.32-22) and have noticed that whenever i have Rhythmbox running; the keyboard stops working in any apps. As soon as I close Rhythmbox, they work again!
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Jul 16, 2010
I have a cronjob which is supposed to run every 15 minutes and record with arecord for 900 seconds. When I run the script manually, arecord record for 900 seconds, but when cron starts the script it stops recording after about 90-110 seconds.
Code:
rndusr@0x90:~/ralog$ cat rec.sh
#!/bin/bash
YEAR=$(date +"%Y")
mkdir /home/rndusr/ralog/data/$YEAR
[code]....
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Jul 10, 2011
I am trying to run Tomcat on Ubuntu System from a remote host. However, when I exit the terminal, Tomcat process shuts down.
The command I am using to run it is
nohup ./startup.sh &
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Feb 23, 2011
I have a Dell PowerEdge 2900 on which I just installed from scratch Debian Lenny 5.0.7 AMD 64bit. I am having issues where when I ifup a second nic card the server will maintain connectivity for a period then all connectivity is lost and I have to ifdown all eth interfaces and bring them back up to regain connectivity. Here's how the server is laid out: I have 12gb or ram with 2 Xeon 5450s in the server, as I mentioned it's a Dell Poweredge 2900. It has a build in Perc6i raid controller with 2 drives in Raid 1 for the OS and 4 drives in Raid 5 for storage. It also has a Perc 5e card in it connected to 3x6TB raid arrays. I mention this because they are all sharing the PCI bus if that matters.
The nic cards I started with were the two builtin Broadcoms and lspci reports them both as:
Broadcom Corporation NetXtreme II BCM5708 Gigabit Ethernet (rev 12)
After I started experiencing the problem I added an inexpensive Trendnet based off the Realtek RTL-8169 chip rev(10). Debian sees this card without any need for additional drivers. The Broadcoms required the non-free network drivers provided by and built against the Debian kernel (no custom drivers). One nic card is configured with a public IP address and I use IP tables to reign in the traffic to http and https only. There is also an outbound openvpn tunnel from this machine back to our offices through this interface. The second nic card is hard wired to a mac mini directly and is assigned an 10.x.x.x address. I am able to see the mac mini from it.
The amount of time the network connection stays up doesn't seem to follow any set pattern. I have flood pinged the 10.x.x.x while running apt-get and one time it fails, the next time it doesn't. Sometimes the network connection degrades and I can do an nslookup one second and get nothing and the next I get a response. Finally though it fails and it requires me to ifdown the eth connections and ifup them to get them going again. I don't really see anything in the logs. I've looked in kern.log, messages, syslog and pretty much came up empty, but not 100% certain I'm looking for anything more subtle than obvious errors. The routes all look good too.
Naturally, as Murphy's Law would have it, this is a remote server at a colo so that doesn't make troubleshooting any easier. What I have done to temporarily prevent me from losing complete access to the server is setup a cron script that runs once a minute and pings something. If there is 100% packet loss, it restarts the nics and I'm going again for another arbitrary period of time. Lastly, this has no effect on the OS running. I don't have a hung system when this happens just a trashed network connection.
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Jul 27, 2011
I have a problem,I want to change the hour format from 24 hours to 12 hours, I cant find the way to do this,
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Jan 17, 2010
I am trying to install 11.2 but it keeps freezing. I press install and the Linux kernal loads and afterwards I get a black screen and after 30 seconds the DVD player stops running. I have also tried to the online network install and the exact same thing happens. I also tried a DVD I have of 11.1 which I know is good since I have successfully installed it on other machines and the result is also the same. My computer currently has a dual boot of XP and Kubuntu 9.10.
I am returning to Suse after experimenting with Kubuntu but thought I would leave the Kubuntu on the machine (prefer Suse but Kubuntu installed very easily on my computer). Could the Kubuntu be causing this problem or is the difficulty something else? I have also tried the safe install and the other options to no success.
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Feb 21, 2011
I have Ubuntu 10.10 and when I boot my PC I can see the following message: Ubuntu is running in low graphics mode and Ubuntu stops booting. I can-t boot in it I can only use command line.I think I accidentally uninstalled some packages clicking at completelly removal at some ipod utillities in synaptic.
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Oct 17, 2010
I've installed the latest cvs for ubuntu 10/04 and read a couple of how to on the web. I have environment set for CVSROOT, EDIT and CVSEDIT. It made me a ~/cvs/CVSROOT and I ran" cvs import mon Ian_C START" in my ~/cstuff directory and that has created ~/cvs/mon with my main.c file. These tutorials do not tell me which main.c file I should edit or how to edit. Should I edit ~/cvs/mon/main.c or ~/cstuff/main.c, should I just gedit it then do a few cvs commands to generate the diffs or whatever?
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Nov 13, 2010
I'm running Ubuntu 10.10 Maverick Meerkat 64-bit on my desktop with a wired internet connection (with no firewall). For the past 2 days, I have observed that1. Firefox randomly throws up errors like "Problem loading page" whenever I click on a hyperlink. When I click on Reload, the page loads up just fine. This has been happening a lot recently..and I do not remember updating anything consciously. By the way, ipv6 is disabled in Firefox.2. The network stops working all of a sudden (usually indicated by the Firefox error). The Autho Eth0 indication is active, but I am unable to connect to any external machine.
3. Needless to say, this error is manifesting itself in apt-get as well. I get "something wicked happened" errors all the time, and am unable to download or install anything.That this is not a problem with the ISP is obvious because I also have Windows (from which I'm typing this, ironically), which is able to access the internet.Is this a bug in Ubuntu 10.10?
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Oct 18, 2010
i recently decided to try and run a couple of games through wine, however trying to install two of them through wine, after putting in the second cd in the installer, the system will not recognise/mount the cd at all in the filesystem. it will instantly recognise the cd after i quit the installer for both of the games, so i guess that running the wine setup is interfering with ubuntu's ability to read or mount a cd. since it has happened on two separate occasions and has worked on windows, there must be something happening on my system that is preventing it. so my question is has anybody else experienced this or think that they know what might be causing the problems?
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Jan 29, 2010
In a small network (with <5 PCs) what is the best way to manage users and groups? When I create a new user, Ubuntu automatically assigned a UID unless I specify otherwise. If I were to mount shared drives between PCs (or between a client machine and a server) I'm wondering how it handles different UIDs/GIDs associated with files (usernames almost always match across system but UIDs/GIDs do not)? Or is the best solution to just assign matching UID and GID on every machine when they are created? Or is this just magically handled via the matching usernames? I know there are heavier options but this has come up a number of times in small setups 2-5 machines at most.
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Feb 27, 2010
I'm looking for advice on a good backup solution. I have a couple Ubuntu machines running at home, and I'd like them to backup to a NAS, which supports CIFS and NFS. Rsync might work, but I don't want to have to write a script myself, or figure out how to accomplish a staggered history of backups. The default "simple backup" sbackup doesn't work for me. I've not been able to unroll those gigantic .tgz files it makes. The restore GUI doesn't seem to work at all; it claims it can't find any backups.
My confidence is shot. I tried Back in Time. I set the GUI control panel to backup every day. It didn't back up every day. Maybe I'm getting it wrong. But, my confidence is shot. I looked at Amanda and Bacula. Both seem to require that your backup server run special software; I don't want to hack into my NAS to do that. Both also seem to require 10 hours of study to figure out just how to install them.
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Aug 26, 2010
I've just installed Ubuntu 10.04 on a AMD processor with a nvidia graphic card in dual boot with windows xp. First the live-cd was already freezing after a couple of minutes so I had to install Ubuntu with the alternate cd. Now it freezes whatever I do after 2 or 3 minutes. I had exactly the same problem with the 6.04 version but I had only to remove powernowd from /etc/init.d/ to make it perfectly working. But unfortunately this file seems not to be there in this version.
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Nov 30, 2010
Not sure what precipitated this but Administration and Preferences are missing from the System menu. how to get them back? I have to go through the Gnome menu to get to System, not sure how it got removed from the panel.
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May 30, 2011
First of all I'd like to say me and my family and friends who ive converted to Ubuntu users have had trouble with natty from the start (needing to mount the drive manually from the terminal after the upgrade being one of the problems) but there are two problems I was curious if anyone else had and fixed. The first problem is an app called "DeVeDe" which is used to convert video files into isos, it appears to work fine until the end when it errors and says I may be out of disk space. My work around is to take the MPG file it converted (which didn't seem to be affected by the error) and convert it using bombono into the ISO. Bombono gives me a similar error if I try to use it from the beginning, so devede does the first half without retiring and bombono does the second half, both program's world perfectly before upgrading to natty and I've tried changing settings and reinistalling but nothing helps. My second problem is with my nvidia drivers, they seem to work fine when I'm using my monitor but when I try to use my 47" LED vision as a monitor it says its detecting it as a CRT and only lets m do 1024x768 as my Max resolution. I know some people will say I should be posting in recede and nvidias forums but thee bugs aren't there fault, as both things world perfect before I upgraded to natty
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Feb 10, 2010
Sometime after I upgraded to ubuntu 9.10 I've been having trouble with my wireless network connection.It will usually log on to the network, then disconnect a shortly after. Then try to connect again, usually successfully, then it cuts off again. Then connects again, then disconnects. FWIW, ubuntu 9.10 works on a different machine pretty consistently, so I don't think its a problem with the router.
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Jan 7, 2010
I upgraded to Mythbuntu 9.10 from 8.10 and things went fairly well. No major problems during the upgrade. The system is just a mythbackend server. The only things that access it are for myth and for the smb mounts for mythtv. Every couple days, the system stops responding to network traffic. No myth connection, no smb, no pings even. All I have to do is wiggle the mouse on the system and everything comes back up instantly. I noticed that after it comes back up, the time is off by hours.
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Jan 19, 2010
I thought I would pick your brains I have a large folder (8GB), that I wish to burn across a couple of DVD's is there any software that will perform this job automatically for me ? Braserro does not seem to be up to the job
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Jul 29, 2010
My macbook is backed up using timemachine on a samba drive. I used this hack for months [URL]his tuto is based on Netatalk, but works perfectly with Samba (or used to), as described in many others blogs.A couple of days ago, I had a strange message from timemachine, like the backup should be reconstructed to improve the security. The sparsebundle has been deleted, and timemachine try to create a new one now. This step failsI tried to create manually a new sparsebundle, using the tuto. It does not work.I have a backup of the sparsebundle ... I can navigate into it ("enter timemachine"), but I cannot backup anymore.
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