Ubuntu Networking :: Wireless Stops Working After A While?

Jun 16, 2010

I'm having some problems with wireless, it works fine on boot but after a while pretty much randomly, it can be a few days or it can be a few hours, it stops working. I'm not sure which command would tell you what and it would take a little while to debug it because like I said it's random, but if anyone knows what to do please tell me! I'm on Lucid Lynx 10.04.Another something that's really bothering me (But not related to wireless) is that for some reason when I restart my computer, the top panel keeps changing the applets locations.

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Ubuntu Networking :: USB Wireless Stops Working After Upgrade?

Feb 10, 2010

This should be easy for the Ubuntu Gods to sort out:

I have a Sabrent USB 802.11N adapter. (I am using 64-bit Ubuntu in all below)

I plug it into a 9.04 box and it works fine. Plug it into a 9.10 box. Network manager sees it and can attach to the network, but has 0% signal strength, no internet.

Rebuild the 9.04 box with a fresh install to 9.10. 0% signal, no internet. Try 10.04 Alpha 2, 0% signal strength, no internet.

Rebuild same box down to 9.04. Works perfectly. 100% signal strength. I do all updates and then the upgrade to 9.10 using the USB. Everything works fine until the reboot. Then, USB connects, but 0% signal strength, no internet. Oh! ifconfig says the wlan0 interface is up, but it has a random ip address.

I don't mind using 9.04 because for the forseeable future, the box is just going to count aliens for Seti, but my wife wants it off the counter and I would like to upgrade someday.

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Ubuntu Networking :: Wireless Not Working - Stops Than Says Disconnected

May 26, 2011

My Ubuntu when i start it up, go to the wireless networks , try to connect to my network it trys to connect stops than says disconnected. My internet card is a Cisco Aironet wireless (idk the model number)

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Ubuntu Networking :: Wireless Network Stops Working After A While?

Sep 1, 2011

I have a wireless network using this driver:

Bus 001 Device 002: ID 0bda:8187 Realtek Semiconductor Corp. RTL8187 Wireless Adapter

and everything works fine for some time. After a few hours or maybe less (if I push bandwidth to the limit) the Internet freezes. I can't even ping my router. If I disconnect and reconnect either the device or the connection via network manager , it does work for a minute only and then freezes again. If I restart Ubuntu entirely, it works again. But for a while...

It works 100% in Win7 and I have no problem at all there. But I am very annoyed that I cant have reliability in Ubuntu. I want Ubuntu as default.

It has something to do with drivers or an inner variable or buffer or something.

At least, is there any way to reset my network connection without rebooting the OS?

I tried sudo /etc/init.d/networking restart but it gives me: Ignoring unknown interface wlan0=wlan0.

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Ubuntu Networking :: Wireless Connection Stops Working Randomly?

Sep 1, 2011

I have a problem with my wireless connection in ubuntu (natty with amd64bit) There seems to be intermittent disruption in my connection. Havent seen a pattern as yet, though it happens once a day. After that I cant get it to work at all and only restarting + reconnecting the USB device helps. Dont know what is going on.I have already read these pages : Commands and Wireless Troubleshooting.Here is my line of though1) Given that I am able to connect other devices to it while I am not able to connect through this desktop, I think the router is OK.2) I am able to work with it after restart + re-connection . And so the driver is OK and is loaded. The driver seems to be oK and loaded even while I am not able to connect.So why is this happening and how can I get this under control without having to reboot and re-connect the device everytime.Here are the output for the commands which will give you a more detailed idea of the process. Before reboot while I was not able to connect:

Code:
Script started on Tue 23 Aug 2011 01:40:08 PM CDT
raja@UshRaj: ~raja@UshRaj:~$ sudo nm-tool

[code]....

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Ubuntu Networking :: Acer 5520 Wireless Randomly Stops Working

Apr 28, 2010

My Acer's Wireless randomly stops working until you fully shut down and start the computer.(Not Restart but Shutdown->Powebutton) I am using Ubuntu 10.04 Lucid.

I am wondering if anyone knows why it would stop working properly, and/or how to fix it?

And since this is a off and on problem I might not be able to provide details immediately from time of crash, since I need my computer on the wireless.

One symptom that really stands out is that the cooling fan is spinning as fast as it possibly can and processor usage is spiking around 80/200 on a process called phy0.(relevancy unknown)

As I was typing this post on my other computer, my laptop crashed and I lost the lshw -C Network output I had. If asked to, I will post the one from when it is working. Also I will post any other info you need from when I can.

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Ubuntu Networking :: All Wireless Stops Working If Loopback Is Enabled In Router?

Jun 8, 2010

I'm running a Source Dedicated Server on my Ubuntu laptop, and to connect to it via external IP from other computers in the network I need to enable loopback in my router.This was working fine, but then I disconnected my laptop for a few days, and when I came back the wireless stopped working on my Xbox. I reset the router to factory defaults, and then setup everything again. It was all working fine until I enabled loopback again and power cycled my router. Now every time I do that, the internet on Ubuntu stops working and the wireless on the Xbox stops working.

Edit: You can ignore this I guess. It seems I was actually DISABLING loopback by enabling that router option, which I guess caused this. Strange, because the first time enabling this option was the only way to get my external ip to work. Oh well, everything is fine now.

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Ubuntu Networking :: Stops Working In 10.10 And Firefox Randomly Stops Working?

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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Ubuntu Networking :: Wireless Dell 1450 USB Adapter Stops Working After Upgrade To 10.04?

May 1, 2010

I upgraded from 9.10 to 10.04 and my wireless card no longer works.

The card is a Dell 1450 USB a/b/g card.

lsusb sees the card. device id is 413c:8104

dmesg says that p54usb is trying to load firmware isl3887usb but that failed (error -2)

I looked in /lib/firmware and didn't find that file

ps. god why did i upgrade?

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Ubuntu Networking :: Intel 5300 Wireless Stops Working After Downloading 100 Megs?

Sep 9, 2010

I have a Dell E6500 with and Intel 5300 wireless agn card running Lucid x64. Wireless works fine and speeds are great except when I download with either the browser or thru a torrent or even updates. Once I get to around 100 megs in to the file wireless stops working and the only way to get it working again is to disconnect and reconnect to the AP. I have installed the back ports and tried several other fixed to get this to work but nothing has helped. One more note this happens on 2 other wireless routers that I have tried so I know that it's not limited to my Linksys.

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Ubuntu Networking :: Wireless Network Shows Connected / Periodically Stops Working

Aug 8, 2011

I have one major problem that is going to cause me to switch back to windows. My wireless network shows connected and works fine for a while but periodically stops working. It always says it is connected but sometimes stops working to where I have to disconnect and reconnect for it to start back up again.

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Ubuntu Networking :: Wireless Repeatedly Stops Working On HP Pavilion/Intel 4965AG/Karmic

Feb 9, 2010

My wireless LAN connection on this machine occasionally stops working. The network traffic bar shows periodic very small transmissions but the failure of all network dependent applications (Firefox, package manager, etc.) indicates to me that the machine is no longer talking to the net. I can fix it by reselecting my home network in nm-applet from the drop-down list. This causes the machine to disconect, reconnect and all is well for some random period of time thereafter. Here's some data:I'm running an HP Pavillion laptop.

Code:

~$ lspci | grep Wireless
02:00.0 Network controller: Intel Corporation PRO/Wireless 4965 AG or AGN [Kedron] Network Connection (rev 61)

Code:

~$ lsmod | grep iwl
iwlagn 124768 0
iwlcore 134820 1 iwlagn
mac80211 243496 2 iwlagn,iwlcore

[code]....

I don't know if this is related or not, but a couple of months ago I unsuccessfully attempted to share a hotel's wired Internet connection over my wireless card. I may have hosed some settings or it could be unrelated.The "unknown interface" portion of the restart attempt is interesting but I don't know enough to fix it.

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Ubuntu Networking :: Wireless Stops Working With Multiple Intel 5100 (vaio) On Wifi

Nov 24, 2010

I'm using a Vaio TT, which seems to use an Intel 5100 WiFi chipset, and a Linksys WRT54G2 (firmwares 1.0.1 and 1.0.4), ubuntus 10.10 and 10.04.

Wifi works fine out of the box. However if the other vaio tt in our office (running windows 7) comes online, my laptop stops being able to make new connections. It WILL stay connected to chat servers, and downloads SOMETIMES continue to work. However all new HTTP requests / ssh connections / rdp connections / pings fail. The laptop still appears to be "connected" to the wifi network.

This may also happen after an undetermined amount of time without the extra vaio. It is not solved by reconnecting or rebooting. Once the extra vaio leaves the building, everything works fine again. This problem does not happen at all if I boot into windows.

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Ubuntu :: Wireless Stops Working Until Reboot

Nov 27, 2010

Recently I have been having issues with wifi. I can connect for about an hour and then after that the computer stays connected to the network but wont allow me to go anywhere on the internet.

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Ubuntu :: Wireless Stops Working After Hibernate 10.10?

Jan 5, 2011

says wireless unavaliable, do a ifconfig and it doesn't show up.

need to restart computer to get wireless back.

or even a command to run to restart the wireless (/etc/init.d/networking restart doesn't work)

wireless chip: RT2500

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Fedora :: Wireless Stops Working With No Reason

Feb 20, 2011

I'm using Fedora 14, 64-bit. My wi-fi adapter is Intel 5100 AGN on a Lenovo laptop. The wi-fi router is Zyxel. From time to time, I'm getting a black message, that a kernel component has crashed (or something similar). Here are the error details:

Package: kernel
Latest Crash:Sun 20 Feb 2011 04:27:54 PM
Command: not_applicable
Reason: WARNING: at net/wireless/core.c:633 wdev_cleanup_work+0x52/0xbd [cfg80211]()
Comment: None
Bug Reports:

In most cases, after that, I'm loosing the internet connection. I can't open any website, can't ping the router (which is my default gateway) and now it happened even without any error, which really pissed me off. Logging out and back in doesn't help, I need to make a full reboot to get back my internet connection.

Under Windows 7 everything is working fine and I'm not having any trouble with the internet connectivity! I had Fedora 11 32-bit before and it was also working normally!

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Fedora :: Wireless Mouse Stops Working On 15?

Jul 5, 2011

Initially it was working fine after fedora 15 install.However recently it simply stops responding after a period of time.After reboot, sometimes it does repair itself but again stops working after some time.I'm not aware of any package updateperformed or configuration change that would have impacted it.And it does work intermittently as mentioned above

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Software :: Internet Stops Working And Wireless Disconnects In Ubuntu 10.04

May 31, 2010

Im having problems with Ubuntu 10.04. My wireless disconnects frequently and firefox seems to stop working. it seems the connection times out sometimes when firefox stops. other times the connection just disconnects. When I was running 9.04 everything worked and nothing disconnected, so I know its not my computer.

My laptop is an IBM t40, 1.4 ghz, 2gig of ram.It does not seem to mater if Im using the wireless or the wired connection. The problem happens either way.does anyone have a solution for this?

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Ubuntu Installation :: Wireless Mouse - Sometimes The Left Button Stops Working?

Oct 14, 2010

I use a Kensington Wireless Netbook Mouse.It has worked well in Ubuntu 9.10 and 10.04.For some reason in 10.10 it works, but every now and again it sticks for a second or two. Sometimes the left button stops working.If I pull out the dongle for the mouse and put it back in my mouse works fine.

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Ubuntu Networking :: Wireless Starts And Stops And Starts And Stops?

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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Debian Configuration :: Wireless Stops Working After Kernel Upgrade?

Aug 17, 2011

Testing distribution. Installed Linux 3.0 but left 2.6.32 on as backup. When I boot into the old kernel, wireless mostly works OK, but never when I boot with the new kernel.

Results of dmesg|grep wlan0 on 2.6:

[ 22.005102] ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 28.196774] ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 28.644779] ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 30.688053] wlan0: direct probe to AP 00:19:5b:06:9f:ba (try 1)
[ 30.694053] wlan0: direct probe responded

[Code]...

Noticing the Access Point looked like it needed the MAC address, I ran iwconfig wlan0 ap <MACADDRESS> and sometimes it will work, and wicd can connect to the access point. But sometimes the command fails to run.

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OpenSUSE Wireless :: Bluetooth Stops Working After Installing Bcm43xx Firmware?

Oct 7, 2010

Im having an annoying problem here, after the reinstallation of opensuse, bluetooth works fine, i can connect my cell phone and logitech mouse normally, as soon as i install the bcm43xx from the scrtipt included in /usr/sbin/ bluetooth stops connecting to devices, it can find tem when searching but the forward button is dimmed.

when i try hcitool scan,= it successfully finds the device,
hcitool cc xxxxxxx it reports an I/O error,

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General :: When Switching From Mint To Windows - 70% Of The Time My Wireless Stops Working

Feb 5, 2011

I am currently dual booting between Linux Mint 10, and Windows Vista SP2. Wireless works fine in both these OSes, but when I quit Mint and load Windows, 70% of the time my wireless stops working.

ie, it does not detect any wireless networks nearby, althought there are tons of them.

Restarting the wireless device doesnt help, I have to restart my computer at least 4 times for wireless to start working again.

And as of now, my wireless in Linux Mint has stopped working.

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Ubuntu Networking :: Samba Stops Working After A While?

Oct 22, 2010

I have created a Samba share, using the fantastic Webmin tool. I have a network media player which can connect to my router, and then access windows (samba) shares. Most of the time, it works fine - it's able to stream HDTV wirelessly across the network. However, every so often, it just stops working ... the media player sees :

Network, then
WORKGROUP, then
FILESERVER-1 (machine name), then
Media (share name), then
Video (subdir, then
TV_Shows (subdir), then
MyShow.AVI ... just hangs

if I use the Webmin tool, I see multiple samba connections all from the media player. Restarting samba seems to have no effect. The only way to fix it, is to reboot.

logfile I can check, or a setting I can tweak to fix this issue ?

When it get like this, trying to access the share from a windows machine, just gives me an error saying it can't find the machine. But when it's rebooted, it works fine.

I have mapped the "nobody" linux user to "guest" which is what the media player is defaulted to login with (it's primarily sold as a "Windows" media player), and using Webmin I have assigned the "nobody" user read-only rights to the samba share. It worked fine for 6 months, until I added this new drive.

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Ubuntu Networking :: Wireless Adapter Stops Getting Recognized After A While?

Jan 30, 2010

I am trying to maintain another computer that runs Ubuntu, and everything seems to be running smoothly except for one thing: the wireless. Due to distance issues, I cant use a cord, but the computer is close enough to get a signal. am using a Netgear wnda3100 wireless usb adapter. I installed Ubuntu on the computer because I heard that the device was supported in Ubuntu, and it wast after a while, the adapter is no longer recognized. I have had to reinstall multiple times, and I'm no longer in the mood to reinstall. Does anyone on the UF know hwo to fix this

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Ubuntu Networking :: Wireless Connection Stops A Workin?

Mar 15, 2010

I am having a problem where when i connect to a wireless network at school the internet works for maybe about 30 seconds but then stops. It still says connected but i cant get to internet websites Running Ubuntu Karmic 9.10 Installed "inside" windows School has multiple routers is that a problem? all have same essid Can connect to wirelesss at home flawlessly.

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Ubuntu Networking :: Iwlagn Connection Stops Working After About 1MB?

Jul 24, 2010

I have an Intel PRO/Wireless 5100 AGN [Shiloh] on my HP Pavilion dv7 running a fully updated Lucid (10.04).I can connect to the wifi on my smartphone and I have no problems at all.However, after a recent update I found myself unable to use my home wifi connection.Once connected, I can usually transfer about 1 MB of data and then nothing else will go through.# uname -aLinux lappy 2.6.32-23-generic #37-Ubuntu SMP Fri Jun 11 08:03:28 UTC 2010 x86_64 GNU/LinuxSince the home wifi router, a Linksys Wireless-G SRX, is a bit more advanced than the wifi capabilities of the smartphone, I'm inclined to think there is some feature being used that is now broken in the iwlagn driver.I've tried to disable the "11n" support with this:

# modprobe -r iwlagn
# modprobe iwlagn 11n_disable=1

but the problem continues even after that ... is there something else I can try to disable?r some way of getting the details of these two connections to see exactly what the difference is?

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Ubuntu Networking :: Ethernet Stops Working On Restart?

Aug 13, 2010

I upgraded to the newest version of Ubuntu a few months ago, and ever since then, the ethernet connection to my router stops working when I restart the machine. It eventually comes back, but after varying amounts of time. Sometimes 20 minutes, sometimes 2 days.

Restarting the computer and cycled reboots of the router don't seem to have any beneficial effect, at least that I can detect.

The light for the slot on the router does not light up like it normally would, so it's almost like the OS doesn't even recognize the network card.

Ubuntu 10.4,64-bit. Dell XPS 410.

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Ubuntu Networking :: Wirelss Stops Working Periodically In 10.10?

Oct 15, 2010

New Toshiba laptop dual booting with Windows 7. I really like MM 10.10 and most things are working great! Periodically I will be web browsing and I lose connection. At first I thought it was Firefox but if I try to disconnect wireless and reconnect it will no longer connect unless I reboot. My network is hidden but Ubuntu finds it no problem on a fresh boot and connects per my settings and it is not a network problem since I can connect to Windows all day long and the rest of the family never has problems.

My wirless device is: Realtek Semiconductor Co., Ltd. RTL8191SEvB Wireless LAN Controller (rev 10)n and all OS updates are applied that I can find. I am thinking about un-hidding my network since years ago that used to be a problem with Redhat and even early Ubuntu but beyond that I cannot think of what else to try.

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Ubuntu Networking :: Stops Working After Suspend/hibernate On 10.10?

Oct 22, 2010

networking stops working after suspend/hibernate on Ubuntu 10.10 and it used to happen on 10.04 though i did not bother to resolve the issue then

output of sudo lshw -C network

*-network DISABLED
description: Wireless interface
product: AR9285 Wireless Network Adapter (PCI-Express)
vendor: Atheros Communications Inc.
physical id: 0
bus info: pci@0000:08:00.0
code....

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