Ubuntu Networking :: Intel 4965AGN Unstable In 10.04 LTS 32Bit
Dec 7, 2010
I'm using a notebook with Intel 4965AGN and connecting to a Linksys WRT320N router. I can connect most of the time but after a while (sometimes a few minutes, sometimes a few hours) I lose connection. The notification icon would not change. I would only find out when I browse or click on a link and it would just get stuck at "Looking for <url>..." My wife's notebook would still be connected to the router even after mine has mysteriously disconnected. But she uses another os.
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Apr 14, 2011
I'm trying to set up ubuntu on my netbook, the brand and make is obscure, essentially, this is a no-name brandless build from china, but a pretty decent lappy. Atom N270 Intel 945GSE based. initially it was equipped with a 3DSP wifi/bluetooth mPCIe combo card, which is proprietary and didn't work on ubuntu (didn't even show up as a device), so I got an intel 4965agn based on compatibility list somewhere in the wiki.
The problem I have is that I see networks, but can't connect at home or at work or anywhere, it just hangs in the connecting status and then throws the authentication popup at me again (pw is all correct). I tried looking around at similar problems, some have wpa_supplicant related issues, but doesn't seem to be the same as mine.
I tried creating an unsecured network using my macbook's airport, and same thing happened with ubuntu... hangs in connecting status then drops, so it doesn't seem to be WPA. I don't have the device on me to do all the iflist iwlist checks for you, but if you could give me some clues, I'll post back when I get home.
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May 30, 2010
I have recently installed Fedora 13 on my laptop, an Acer Aspire One D150. The laptop has an Intel 4965agn wifi card which worked flawlessly under Fedora 12. Now however it keeps disconnecting every 10 minutes, even if I browse the web. On top of this, it also becomes very hot, so hot that you can feel it through the plastic case.
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Jun 1, 2010
Have been running Fed 11 on this laptop (dual booting with windows) for some time with no issue's. Removed 11 and installed 13. I now cannot get my wireless adaptor to pick up. Drivers are loaded and sees the card in lspci, here is some log outs I have made:-
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Jun 7, 2011
I just installed Fedora 15 yesterday and can't get wi-fi to work. When I click 'on' on the Wireless label, it goes back to 'off' immediately. When I open the Network Settings menu and disable Airplane mode, the Wireless connection goes on and then off immediately. I took a look at /var/log/messages and it shows this:
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Jun 7, 2011
as per pytheas22, i'm attaching few details here. my download speed would starts at 470 kB/s and gradually decreases until it reaches 116 kB/s. Loading web pages seems to be fine.
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Dec 31, 2010
I have lenovo thinkpad, T61 with Intel 4965AGN wireless card. It is a N card, it works under N mode in windwos, but not in Ubuntu (10.10). I installed ndiswrapper and got the windows xp drivers for this card. the issue is that i got an error when installing the drivers and since then I cannot use wireless.
The error i got is: Code: Module could not be loaded. Error was: FATAL: Could not read '/lib/modules/2.6.35-24-generic/kernel/ubuntu/ndiswrapper/ndiswrapper.ko': No such file or director I unistalled the driver, but now under network connections no wireless connections appear, nothing. I cannot use wirless anymore.
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Mar 14, 2010
Because, I use a Thinkpad R61, I decided to see who did it as well and I got some results right away: Using Slackware 13 64 bit [URL] Followed into these links and followed them to my best ability:
[URL]
Code:
bash-3.1# modprobe mac80211
bash-3.1# ifconfig wlan0 up
bash-3.1# iwlist wlan0 scan
wlan0 Scan completed :
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May 4, 2010
I try for new LTS 10.4 32 bit at home..i install it with squid 2.7stable8 on it..after few hours my squid are freeze...so i have to reboot again and again..it never happen before with hardy. when i look on squid log...i cant find something wrong..but when i check wheter squid running or not.. squid wont auto running on start up..
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Jan 31, 2011
On my 2 year old laptop I have an Intel Celeron Processor (The one made in June something of 2008) and last night I finally decided to tear it apart. My reasoning was, that I am going to buy a new laptop soon (I want a 64 bit system ) and lo and behold, my celeron processor has 2 cores on the chip itself. I ran several software tests on it in Linux (mostly just profiling and etc.) then I ran a full diagnostic on it and turns out that the second core was never used in any of it. So I looked over it through a magnifying glass and found a pin that was blocking a section from passing anything to this other core. I pulled the pin out and popped my processor in my laptop. Windows refused to boot at first except into Safe Mode because of a hardware change. It was there that my PC was re-evaluated and while previously I had a 3.5 out of 5.0 according to Vista, I know have a 4.1/5.0 thus Aero now was enabled. I then tried something crazy, I popped in the Arch64 net-install disk and VIOLA!!! It loaded and installed Arch64 successfully. Thus, I converted what was a 32 bit processor into a now 64 bit processor by (carefully) removing a pin. After doing research it seems other people found this out too and am wondering to myself, if Intel created this cheap of a 64bit processor, why didn't they market it like that and/or use this as their low-end 64 bit processor? It's all very fishy to me and I really don't know what to make of it.
As an update, I have re-soldered the pin on and Windows still sees the 2nd core. Arch64 however refuses to boot because it's trying to boot 64bit instructions on a 32bit processor again. It seems that since Windows saw that it was there, it has loaded a new driver (some weird "Intel Blah blah blah" [didn't write it down and don't feel like rebooting, sorry] ) that wasn't loaded before. It's still running Vista 32bit (NOT going to upgrade), but it still sees that the other core is there.
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Nov 17, 2010
I have a Dell 1501 Inspiron laptop and have swapped out the broadcom network card for an intel 4965AGN so I can use n-speed with my new router.Everything works sweet except my laptop now crashes if I try to run on battery power.It boots up to the login screen, but once I enter password and login it crashes, just get grey screen and everything locks up. Everything works fine on mains ?It's not a major problem for me as I don't use the laptop "out in the wild".
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Jun 13, 2009
The symptom is that NetworkManager repeatedly ask for password to connect to my AP.My AP is secured with WPA-PKI. The problem even happens with Fedora 11 live cd if I'm not quickly configure wireless connection using NetworkManager right after Fedora completes booting up. It means if I promptly configure wireless connection, i'm still able to access Internet. Same thing happens for the first boot of Fedora from hdd. For the second boot or when I dont quickly configure wireless connection when system finished booting up, NetworkManger repeatedly asks for password for AP.
I did try several approaches posted in this forum but problem still persisted. Some of approaches I tried are:
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Feb 22, 2010
Are Intel wireless cards compatible with non-intel-based laptops? In my case I wish to upgrade the current Atheros-based mini pci express wifi card with the Intel 4965agn. It is an Asus 4520 with an AMD Athlon X2 processor and nvidia nForce chipset.
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Jan 8, 2010
During Karmic betas, my Marvell 88E8056 did not work at all. When Karmic got released, it started working but after December update, become terribly unstable, disconnecting like every 5 minutes. It is integrated on P5Q-E mobo. Luckily, I also have Marvell 88E8001 so I switched and it works. I was thinking that new kernel broke driver, and thought that next update will fix it. But yesterday I needed both NICs, and 88E8056 is still did not work. I am using .31-17 kernel. So I do not know if my NIC died or what? Can someone with same NIC say if it works for him? Does it work in Lucid Alpha 1 ?
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Mar 6, 2010
I have just switched to Ubuntu from Win 7 RC. So far its been fun, learning to use terminal and all. But I have got a problem now I cannot find a solution to.
I am using 3 Mobile Broadband. The thing just worked - I plugged it in, created a new connection, modified config a little and was happily browsing.
However, it started acting out yesterday. When I boot the system with the modem plugged in, the USB stick is recignised and NetworkManager starts connecting (I have auto connect on). It then shows the "connected" message, and generally appears working fine.
On the other hand, I cannot open a single page in Firefox, it shows the default server not found page.
I used the approach Windows taught me: close, open, retry. I unmount the 3 Mobile Broadband drive, pull the modem out and reconnect it. NetworkManager then does it's job and this time everything works.
I nether had this problem in Win7 or Vista. It looks to me something goes wrong during the booting when the modem is plugged in.
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Jan 4, 2011
A fresh Xubuntu 10.10 install will give me access to my network, but with fluctuating speeds, and certain pages load forever. I have tried the blacklist edit as well as ndiswrapper, and neither have helped me. I can't find a madwifi guide for this issue either. Details: Upon fresh install of xubuntu 10.10, wireless is detected. I enter my, key, hit google, and all is good. Then I try to log into my online classes. Firefox hung forever. So I tried a few other sites, and to my disappointment, random sites seemed to fail. Brand-new, fresh, clean Xubuntu 10.10 install, Toshiba Satellite M45-165.
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May 2, 2010
I have an USB 3G Modem to access broadband internet.The USB 3G Modem is a flying angel from TechFaith company.The modem works fine under Windows XP. The USB 3G Modem propose a data partition with an automatic installation of its driver and software. When I plug the device to the 9.04 Ubuntu workstation it mounts the data partition, but does not find the 3G modem device. I search the internet to find a solution, and the only working solution I found is the following. However, this solution is not stable, after some minutes the device is dropped (no more ttyUSB). I can not use the same process to enable the device.
Code:
su -
eject /dev/sr1
modprobe -v option
echo "1d09 1026" >/sys/bus/usb-serial/drivers/option1/new_id
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I used the wizard to configure the braodband access (Brunei/B-mobile). It works for somes minutes, and then the connection drops, the /dev/ttyUSB desappears and I can not redo the process.I have to enter the commands in a root shell, the sudo command will not enable the device. Why it does not works with sudo?
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May 24, 2010
I understand that wireless is one of the most common problems with Linux, although I did not have this experience with past distributions or versions. After two years away from Ubuntu I installed 10.04 and everything is working fine except the wireless connection. Actually, it does work and connect, but goes up and down, loses connection and in most cases does not reconnect, unless I am 1 meter from the router. The room next door is already too far, a place where I normally have my laptop connecting perfectly with XP.
I am using a Toshiba M70,some additional information below:
lspci=
00:00.0 Host bridge: Intel Corporation Mobile 915GM/PM/GMS/910GML Express Processor to DRAM Controller (rev 03)
00:01.0 PCI bridge: Intel Corporation Mobile 915GM/PM Express PCI Express Root Port (rev 03)
00:1c.0 PCI bridge: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) PCI Express Port 1 (rev 03)
00:1c.1 PCI bridge: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) PCI Express Port 2 (rev 03)
00:1d.0 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #1 (rev 03)
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Oct 12, 2010
10.04 Gnome desktop install on Acer Aspire One netbook, wifi connection very unstable since last round of updates, wondering if ndiswrapper would work better
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Oct 27, 2010
I have Ubuntu running on my HTPC and for the longest time all this was working fine. Now all of the sudden my Internet connection is all sorts of slow. Chrome browser, transmission bt, apt-get, all have the same speed issue. I tried disabling IPv6, changing my DNS and installing all the latest updates. Nothing works.
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Mar 11, 2011
Im new to linux (2 days only) so i have some driver problems. My internet connection is unstable. It reconnects every few minutes (5 min approximately). Im connected with wired dsl connection to routher. My network adapter is "Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller". I use Ubuntu 10.10 Maverick Meerkat release, kernel 2.6.35-27-generic.
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May 19, 2011
I'm using an Atheros ath9k wireless card that has been pretty stable since Ubuntu 9.04. I did a clean install of Natty and ever since my wireless connection has been pretty unstable.
It doesn't actually disconnects but I lose all connectivity. The wifi card continues loaded with a static IP Address assigned to it but I cannot connect to anything. The only way to fix it is restating the network manager and I have to do it at least a couple of times every day.
I tried to whitelist ath_pci on /etc/modprobe.d/blacklist-ath_pci.conf but the problem still persists. Also yesterday I enabled the ubuntu backports on my software sources but so far no kernel updates.
Here are some of the messages filling up the logs:
I added all this info to this bug as well: [url]
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Aug 9, 2010
I'm having trouble with my Samsung Netbook N220 and its Realtek 8192 wireless card and could use some help with diagnostics. I would like to use the netbook as a server and after a day or so the system stops responding. What I'd like to know:
- What do the "========>ieee80211_parse_info_param(): athros AP is exist" spam messages actually say? Does anyone else have this and stability problems?
- Why is the realtek driver package not working?
I'm running Ubuntu Netbook 10.04/Kernel 2.6.32-24-generic. Initially the card was unable to connect, so I installed the Realtek driver rtl8192se_linux_2.6.0017.0507.2010 which adds a kernel module r8192se_pci.ko. At first my system was hanging during bootup. I then restored /lib/modules/2.6.32-24-generic and now the card is connecting but the system is unstable. The 2.6.32-23-generic kernel, modules listed below, still has modules as installed by the realtek driver and is not working. Below the drivers supplied by ubuntu
./2.6.32-24-generic/kernel/ubuntu/rtl8192se/r8192se_pci.ko
./2.6.32-24-generic/kernel/drivers/staging/rtl8192su
./2.6.32-24-generic/kernel/drivers/staging/rtl8192su/r8192s_usb.ko
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Dec 27, 2010
My netbook model is Asus eeepc 1201n and I'm running Ubuntu 10.10 but I had the same problem while running 10.04: wireless disconnects and reconnects every 30 minutes or so and, after this has happened for a few times, it doesn't reconnect and keeps asking for the password.
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Jul 2, 2011
Every time I download torrents in Ubuntu 11.04 on my desktop, using Transmission or Deluge clients, the wireless transfer speed abruptly drops off, becomes very choppy, and in general doesn't remain stable. It's not only the torrent download that slows down, but it's everything including web surfing, even though I'm not maxing out my connection speed. It's not that I'm getting disconnected from my router, it's just that the wireless transfer speed drops off, becomes intermittent, and never gets back up to full speed.
At first I thought that my ISP was throttling my connection, but this issue doesn't happen with a direct cable connection to my router, nor did it happen when I was running Ubuntu 10.04 before. It also doesn't happen when I'm downloading the exact same torrents over wireless using my netbook running Ubuntu Netbook Remix. This issue ONLY seems to happen when using a bittorrent client while on wireless on Ubuntu 11.04 on my desktop. I can max out my internet connection speed by streaming videos, downloading from FTP, etc. using wireless just fine, and the transfer speed remains stable. This also seems to happen with a couple of different wireless USB adapters (rt73usb or rtl8187 drivers).
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Apr 23, 2011
I recently upgraded from Debian Lenny to wheezy (testing). I use a popular 3G modem, the Huawei E220. In Lenny everything worked fine. I use wvdial to connect and the script from lenny, which worked just fine.Unstable behaviour goes like this:I connect, pppd starts, then, either immediately or after a few seconds, the modem hangs up (pppd errorcode 16). Upon retry a SIM Error is being thrown or the /dev/ttyUSB0 node vanishes. Un/Re-plugging the modem and dialing again results in a working connection (mostly). Is there any possibility finding out why the modem hangs up (because a web research revealed that there are a million possibilities for this behaviour)?
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May 2, 2010
Since I upgrade to Ubuntu 10.04 my wireless connection is very unstable. I install the needed wireless drivers from 'Hardware Drivers' (Broadcom STA wireless driver) and I got wireless connection, but it randomly disconnect, and also connection is very slow.
I think that the problem are the drivers which are not very compatible with this version of Ubuntu, which means we need to wait for update? I have HP ProBook 4510s laptop, Intel PRO/Wireless 5100 AGN network card & Gembird NSW-R2 router. I'm only having this problem on Ubuntu 10.04, on other OS's the internet is fine.
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May 13, 2011
This is my first use of Ubuntu, but I have previous decent experience on Centos & Mandriva. I've just installed Natty 11.04 on a box that was running a mandriva 2010 - and the network is acting quite strange. When I define a static IP for eth0 through the gui, along with route & dns, it sort of works: ssh is fine, vnc too. However, I have an asterisk running on the box, and it is wild: some packets get lost in the box.
An ngrep shows the packets reaching the interface, but they dont show in asterisk !!! I've done a ufw disable, iptables is empty (why cant I service iptable restart btw ?). ip route list show decent routes (eth0 default); When I switch to DHCP, it is better, but unstable... If i plug a wifi usb stick, it seems to be better... Is there some known issues that could explain this behaviour ? The nic is a: Ethernet controller: Marvell Technology Group Ltd. 88E8001 Gigabit Ethernet Controller
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Sep 10, 2010
I am succesfully installed a Dell wireless card with Broadcom 4328 shipset using ndiswrapper and rpm sources on Fedora 12 2.6.32.14-127.fc12.i686.PAE. Now I am using original Win drivers but the wifi conection is very slow and unstable.
The wifi card runs perfectly on win 7.
This is the lspci -vvnn outpput
03:00.0 Network controller [0280]: Broadcom Corporation BCM4328 802.11a/b/g/n [14e4:4328] (rev 03)
Subsystem: Dell Wireless 1500 Draft 802.11n WLAN Mini-card [1028:000a]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
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Jan 8, 2010
after the automatic update this morning and restart I could no longer connect to wifi. The router is visible, along with all the others, but when it tries to connect to it, it doesn't succeed.
This is what have been instaled: Commit Log for Fri Jan 8 10:58:42 2010
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