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  #1  
Old 10th July 2012, 11:16 PM
Tohiko Offline
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linuxfirefox
Wireless Problems

Greetings,

My wireless connection keeps dropping on Fedora after a while of using it. Usually it keeps asking for my credentials without ever working. It only works if I restart the whole system
Restarting the network service fails but I am not sure how to get information on reasons for failure

Any help is appreciated,
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  #2  
Old 11th July 2012, 06:56 PM
Gareth Jones Offline
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linuxfirefox
Re: Wireless Problems

What wireless card/chip-set/driver are you using?

Mine has the same problems (by default), so on the off-chance it's an rt2500 or similar, I can share the fix. Otherwise I'm afraid I don't know, but others might if you post the details.
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  #3  
Old 11th July 2012, 07:01 PM
hadrons123 Offline
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linuxfirefox
Re: Wireless Problems

Code:
lspci -vvv
output might give us some idea!
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  #4  
Old 13th July 2012, 05:06 PM
Tohiko Offline
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linuxfirefox
Re: Wireless Problems

Here
http://pastebin.com/CjiaT4dV
you can find the output of lspci

How can I find the error messages generated by the failed restart of the network service?
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  #5  
Old 13th July 2012, 05:15 PM
rajhat Offline
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linuxredhatfirefox
Re: Wireless Problems

check tail -f /var/log/messages
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  #6  
Old 16th July 2012, 07:26 PM
Tohiko Offline
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linuxfirefox
Re: Wireless Problems

Sorry about that, the problem didn't happen in the past 3 days. Today it just happened
/var/log/messages had

============================
Jul 16 15:20:20 ultrabook network[13324]: Bringing up interface Auto_orange: Error: Connection activation failed: Device not managed by NetworkManager or unavailable
Jul 16 15:20:20 ultrabook network[13324]: [FAILED]
Jul 16 15:20:20 ultrabook NetworkManager[663]: <warn> connection /org/freedesktop/NetworkManager/Settings/12 failed to activate: (2) Device not managed by NetworkManager or unavailable
Jul 16 15:20:20 ultrabook network[13324]: Bringing up interface Auto_wifi_reuniones: Error: Connection activation failed: Device not managed by NetworkManager or unavailable
Jul 16 15:20:20 ultrabook network[13324]: [FAILED]
Jul 16 15:20:21 ultrabook NetworkManager[663]: <warn> connection /org/freedesktop/NetworkManager/Settings/3 failed to activate: (2) Device not managed by NetworkManager or unavailable
Jul 16 15:20:21 ultrabook network[13324]: Bringing up interface Student: Error: Connection activation failed: Device not managed by NetworkManager or unavailable
Jul 16 15:20:21 ultrabook network[13324]: [FAILED]
Jul 16 15:20:21 ultrabook systemd[1]: network.service: control process exited, code=exited status=1
Jul 16 15:20:21 ultrabook systemd[1]: Unit network.service entered failed state.
Jul 16 15:20:44 ultrabook dbus-daemon[700]: ** Message: No devices in use, exit
============================

I'm not sure what the problem is
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  #7  
Old 16th July 2012, 07:44 PM
smr54 Online
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linuxopera
Re: Wireless Problems

The AR9845 is your card on the Ultrabook. I know that there were some issues previously, but most of them seem to be gradually getting fixed with kernel updates. Have you been running yum update frequently?

It's possible that it's a NetworkManager issue, but I don't use NM, so can't be of any help with that. For what it's worth, I have the Ultrabook UX31E with the same wireless card, and lately, at least, it's been working well for me on Fedora.

https://help.ubuntu.com/community/AsusZenbook#Wireless

indicates that kernel updates are helping folks with any wireless issues.
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  #8  
Old 16th July 2012, 08:43 PM
Tohiko Offline
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linuxfirefox
Re: Wireless Problems

I'm assuming you mean AR9485. In that case, yes this is my wireless card. But I have the latest kernel on Fedora (3.4.4-5.fc17.x86_64). I will try to compile (for the first time) the new 3.5 kernel.

I heard that the NetworkManager is not the best and many people suggested switching to wicd.
But I am not sure if wicd can work with Ethernets or VPNs (OpenConnect and PPTP) which I use.
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  #9  
Old 16th July 2012, 11:07 PM
smr54 Online
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linuxchrome
Re: Wireless Problems

Honestly, I'm not sure how any of them work. In Fedora, I boot to text console and start without a network, because I'm not sure if I'll be somewhere where I will use wireless or wired. I've heard good things about wicd, but those were with other distributions.
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