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[Dennis Heinson <dennis@xxxxxxxxxx>]

Scenario 2:
Atheros AR5418 168c:0024 Wifi-N card.

modinfo ath9k
vermagic:       2.6.27-7-generic SMP mod_unload modversions 586
srcversion:     56C428B2A623B579492E35B

kernel 2.6.27-7-generic
linux-backports-modules 2.6.27.7.10

NetworkManager tries to connect, but usually does not associate [dmesg]:
[14849.660084] wlan0: authenticate with AP 00:1f:3f:13:d2:ec
[14849.860087] wlan0: authentication with AP 00:1f:3f:13:d2:ec timed out

The NetworkManager logs do not reveal anything more than that.

When it does associate, it fetches an IP address but no data gets
transmitted.

Thus, it might even be a mac80211 problem.

Thanks!

-- 
[ath9k] AR5418 frequently fails to connect to WEP/WPA network
https://bugs.launchpad.net/bugs/278190
You received this bug notification because you are a member of Mactel
Support, which is the registrant for Mactel Support.

Status in The Linux Kernel: New
Status in Mactel Support: New
Status in “linux” source package in Ubuntu: New
Status in “network-manager” source package in Ubuntu: New

Bug description:
The wireless network can be seen, and occasionally connects after a cold boot. Most of the time network-manager complains that the WEP/WPA key is not correct, pops up a dialogue repeatedly.

It may or may not obtain a DHCP lease. However, no data gets transmitted.

Scenario 1: (See comment by Dennis Heinson for another scenario)
Beta release updated 4/10/08 on a gen 2 MacBook Pro (atheros wifi) connecting to a BT home hub with WEP 64 bit encryption (configuration as shipped). No previous problems with Kubuntu 7.10 and the same hardware using self-compiled drivers.

Linux xxxxx-01 2.6.27-4-generic #1 SMP Wed Sep 24 01:29:06 UTC 2008 x86_64 GNU/Linux
NetworkManager 0.7.0.
03:00.0 Network controller: Atheros Communications Inc. AR5418 802.11abgn Wireless PCI Express Adapter (rev 01)

dmesg output:
[   67.910954] ADDRCONF(NETDEV_UP): wlan0: link is not ready
[   89.204588] wlan0: authenticate with AP 00:1f:9f:3d:0f:c5
[   89.405056] wlan0: authenticate with AP 00:1f:9f:3d:0f:c5
[   89.605035] wlan0: authenticate with AP 00:1f:9f:3d:0f:c5
[   89.805054] wlan0: authentication with AP 00:1f:9f:3d:0f:c5 timed out
[  100.984690] wlan0: authenticate with AP 00:1f:9f:3d:0f:c5
[  100.984764] wlan0: authenticate with AP 00:1f:9f:3d:0f:c5
[  100.987561] wlan0: authenticated
[  100.987572] wlan0: associate with AP 00:1f:9f:3d:0f:c5
[  100.990918] wlan0: RX AssocResp from 00:1f:9f:3d:0f:c5 (capab=0x411 status=0 aid=1)
[  100.990927] wlan0: associated
[  100.998059] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[  111.684110] wlan0: no IPv6 routers present
[  152.817637] wlan0: disassociating by local choice (reason=3)
[  154.415879] wlan0: authenticate with AP 00:1f:9f:3d:0f:c5
[  154.415976] wlan0: authenticate with AP 00:1f:9f:3d:0f:c5
[  154.418307] wlan0: authenticated
[  154.418316] wlan0: associate with AP 00:1f:9f:3d:0f:c5
[  154.427591] wlan0: RX AssocResp from 00:1f:9f:3d:0f:c5 (capab=0x411 status=0 aid=1)
[  154.427603] wlan0: associated
[  499.651325] wlan0: disassociating by local choice (reason=3)