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Old 10-22-2008, 12:31 PM   #1
roman5x3
LQ Newbie
 
Registered: Jun 2007
Distribution: Kubuntu 10.04
Posts: 10

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ubuntu intrepid wireless not connecting


I just upgraded to Ubuntu Intrepid Ibex on my laptop and the wireless refuses to connect. It can find the access points and look like it is communicating with the access point (both dots go green) but then can't connect.

Here are my dmesg |tail and lspci:
dmesg |tail:
Code:
[ 4330.148866] wifi0: invalid skb->cb magic (0x00000168, expected 0xf08a36a2)
[ 4344.148532] wifi0: invalid skb->cb magic (0x00000168, expected 0xf08a36a2)
[ 4363.148796] wifi0: invalid skb->cb magic (0x00000168, expected 0xf08a36a2)
[ 4368.551961] wifi0: invalid skb->cb magic (0x0000001a, expected 0xf08a36a2)
[ 4368.568074] wifi0: LinkStatus=2 (Disconnected)
[ 4368.568358] wifi0: LinkStatus: BSSID=00:14:bf:1e:49:62
[ 4369.206280] wifi0: LinkStatus=1 (Connected)
[ 4369.206545] wifi0: LinkStatus: BSSID=00:14:bf:1e:49:62
[ 4369.211455] wifi0: invalid skb->cb magic (0x0000001a, expected 0xf08a36a2)
[ 4369.215462] wifi0: invalid skb->cb magic (0x0000001a, expected 0xf08a36a2)
lspci:
Code:
00:00.0 Host bridge: ATI Technologies Inc AGP Bridge [IGP 320M] (rev 13)
00:01.0 PCI bridge: ATI Technologies Inc PCI Bridge [IGP 320M] (rev 01)
00:02.0 USB Controller: ALi Corporation USB 1.1 Controller (rev 03)
00:06.0 Multimedia audio controller: ALi Corporation M5451 PCI AC-Link Controller Audio Device (rev 02)
00:07.0 ISA bridge: ALi Corporation M1533/M1535/M1543 PCI to ISA Bridge [Aladdin IV/V/V+]
00:08.0 Modem: ALi Corporation M5457 AC'97 Modem Controller
00:09.0 Network controller: Intersil Corporation Prism 2.5 Wavelan chipset (rev 01)
00:0a.0 CardBus bridge: O2 Micro, Inc. OZ601/6912/711E0 CardBus/SmartCardBus Controller
00:0c.0 FireWire (IEEE 1394): Texas Instruments TSB43AB21 IEEE-1394a-2000 Controller (PHY/Link)
00:10.0 IDE interface: ALi Corporation M5229 IDE (rev c4)
00:11.0 Bridge: ALi Corporation M7101 Power Management Controller [PMU]
00:12.0 Ethernet controller: National Semiconductor Corporation DP83815 (MacPhyter) Ethernet Controller
01:05.0 VGA compatible controller: ATI Technologies Inc Radeon Mobility U1
Please help. This is really annoying having to plug in all the time.
Roman
 
Old 10-22-2008, 01:28 PM   #2
b0uncer
Guru
 
Registered: Aug 2003
Distribution: CentOS, OS X
Posts: 5,131

Rep: Reputation: Disabled
Seems like you posted this at the Ubuntu forums already (without answers so far). Your card should work at least with 2.6 kernel series as far as I know, and I take it that it did work with your previous version of Ubuntu (or whatever you used), right? If it is so, then this might simply be a bug in the driver/some other part included in the beta version of the new Ubuntu. The final version is to be released in a little over a week from now, so when it comes out you can do a full upgrade or reinstall and see if it's fixed in that version. I wonder why you didn't test with the LiveCD before upgrading, knowing that it's still in beta stage..that would have shown you that the wireless doesn't work and you could have waited. I myself haven't upgraded yet because of the nVidia bug, and probably won't before it's settled for good.

Another possibility is that it's just the new NetworkManager that's giving headache. There's a known bug in the beta version, according to Ubuntu's website, that the new NM doesn't like static settings saved by older Ubuntu versions; this probably isn't the case with you, but it just shows that the beta version (and especially the new NetworkManager) has bugs that are hopefully solved when the final version comes out.

If I were you I'd try if the wireless works with a livecd where the potential old underlying configuration files don't cause trouble. If it works, simply remove all your old configuration files and reinstall the necessary packages to get things clean; if it doesn't, you may try (if it's easily possible) to force installation of an older NetworkManager to see if it's that, or even an older kernel version to see if it's a problem in the kernel module your card uses. If the problem persists after the final version of Interpid is officially released, you may file a bug report (you did check the bug reports already, didn't you?)

Last edited by b0uncer; 10-22-2008 at 01:30 PM.
 
Old 10-24-2008, 07:55 PM   #3
roman5x3
LQ Newbie
 
Registered: Jun 2007
Distribution: Kubuntu 10.04
Posts: 10

Original Poster
Rep: Reputation: 0
Thanx for the reply. I took your advice and tried out the live cd of Intrepid Ibex. It worked first try. So my question is what do I have to wipe out when it comes to configuration to reset my settings? I am not real familiar with Ubuntu but have been using Gentoo for a couple of years now. So I am not a linux noob but like I said I am still a bit new to how things are setup in Ubuntu.

Roman

(update)
I completely removed network manager (including config files) and reinstalled (and rebooted as it asked me to) and it is still picking up the old config and hence still not connecting. So I am still at the question of what to remove to wipe out the old config.

Last edited by roman5x3; 10-24-2008 at 09:42 PM. Reason: Updating
 
Old 11-06-2008, 06:30 AM   #4
CSWScrooge
LQ Newbie
 
Registered: Nov 2008
Posts: 1

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Don't know, if this is still open, but I have the same problem. Seems to be a kernel problem.

My Workaround for the time being: Booting with my older hardy kernel 2.6.24-21-generic makes WPA2 available again
 
  


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