ubuntu8.10无线网络的问题

[Heraclesun]

无线网卡信息：
03:00.0 Ethernet controller: Atheros Communications Inc. AR242x 802.11abg Wireless PCI Express Adapter (rev 01)
路由器信息：
D-LINK DI-524M
问题说明：
网卡驱动为madwifi-hal-0.10.5.6-r3875-20081105
有线网络没有问题
无线网络曾经成功一次，然后再无成功过
log显示：
Nov 23 11:06:09 heraclesun-laptop dhclient: There is already a pid file /var/run/dhclient.pid with pid 29599
Nov 23 11:06:09 heraclesun-laptop dhclient: killed old client process, removed PID file
Nov 23 11:06:09 heraclesun-laptop dhclient: Internet Systems Consortium DHCP Client V3.1.1
Nov 23 11:06:09 heraclesun-laptop dhclient: Copyright 2004-2008 Internet Systems Consortium.
Nov 23 11:06:09 heraclesun-laptop dhclient: All rights reserved.
Nov 23 11:06:09 heraclesun-laptop dhclient: For info, please visit http://www.isc.org/sw/dhcp/
Nov 23 11:06:09 heraclesun-laptop dhclient:
Nov 23 11:06:09 heraclesun-laptop dhclient: wifi0: unknown hardware address type 801
Nov 23 11:06:09 heraclesun-laptop dhclient: wifi0: unknown hardware address type 801
Nov 23 11:06:09 heraclesun-laptop dhclient: Listening on LPF/ath0/00:23:4d:8b:85:a0
Nov 23 11:06:09 heraclesun-laptop dhclient: Sending on LPF/ath0/00:23:4d:8b:85:a0
Nov 23 11:06:09 heraclesun-laptop dhclient: Sending on Socket/fallback
Nov 23 11:06:09 heraclesun-laptop dhclient: Internet Systems Consortium DHCP Client V3.1.1
Nov 23 11:06:09 heraclesun-laptop dhclient: Copyright 2004-2008 Internet Systems Consortium.
Nov 23 11:06:09 heraclesun-laptop dhclient: All rights reserved.
Nov 23 11:06:09 heraclesun-laptop dhclient: For info, please visit http://www.isc.org/sw/dhcp/
Nov 23 11:06:09 heraclesun-laptop dhclient:
Nov 23 11:06:09 heraclesun-laptop dhclient: wifi0: unknown hardware address type 801
Nov 23 11:06:09 heraclesun-laptop dhclient: wifi0: unknown hardware address type 801
Nov 23 11:06:09 heraclesun-laptop dhclient: Listening on LPF/eth0/00:23:54:4b:54:63
Nov 23 11:06:09 heraclesun-laptop dhclient: Sending on LPF/eth0/00:23:54:4b:54:63
Nov 23 11:06:09 heraclesun-laptop dhclient: Sending on Socket/fallback
Nov 23 11:06:09 heraclesun-laptop dhclient: DHCPRELEASE on eth0 to 192.168.0.1 port 67
Nov 23 11:06:09 heraclesun-laptop avahi-daemon[4737]: Withdrawing address record for 192.168.0.102 on eth0.
Nov 23 11:06:09 heraclesun-laptop avahi-daemon[4737]: Leaving mDNS multicast group on interface eth0.IPv4 with address 192.168.0.102.
Nov 23 11:06:09 heraclesun-laptop avahi-daemon[4737]: Interface eth0.IPv4 no longer relevant for mDNS.
Nov 23 11:06:09 heraclesun-laptop kernel: [ 2885.917913] ADDRCONF(NETDEV_UP): ath0: link is not ready
Nov 23 11:06:09 heraclesun-laptop NetworkManager: <info> (ath0): supplicant manager is now in state 0 (from 1).
Nov 23 11:06:09 heraclesun-laptop NetworkManager: <info> (ath0): device state change: 3 -> 2
Nov 23 11:06:09 heraclesun-laptop NetworkManager: <info> (ath0): deactivating device (reason: 10).
Nov 23 11:06:09 heraclesun-laptop NetworkManager: supplicant_interface_acquire: assertion `mgr_state == NM_SUPPLICANT_MANAGER_STATE_IDLE' failed
Nov 23 11:06:09 heraclesun-laptop NetworkManager: <info> Trying to start the supplicant...
Nov 23 11:06:09 heraclesun-laptop NetworkManager: <info> (ath0): supplicant manager is now in state 1 (from 0).
Nov 23 11:06:09 heraclesun-laptop NetworkManager: <info> (ath0): device state change: 2 -> 3
Nov 23 11:06:09 heraclesun-laptop kernel: [ 2885.990381] ADDRCONF(NETDEV_UP): ath0: link is not ready
Nov 23 11:06:10 heraclesun-laptop NetworkManager: <info> (ath0): supplicant interface state change: 1 -> 2.
Nov 23 11:06:12 heraclesun-laptop kernel: [ 2888.211084] ADDRCONF(NETDEV_CHANGE): ath0: link becomes ready
Nov 23 11:06:14 heraclesun-laptop avahi-daemon[4737]: Registering new address record for fe80::223:4dff:fe8b:85a0 on ath0.*.
Nov 23 11:06:23 heraclesun-laptop kernel: [ 2899.200036] ath0: no IPv6 routers present
Nov 23 11:06:36 heraclesun-laptop kernel: [ 2912.277046] CE: hpet increasing min_delta_ns to 15000 nsec

大家帮我分析下问题在哪里

[Heraclesun]

补充：用WICD可以看到无线网络，可就是连接不上

[nihaocd]

我现在也是这个问题，我用的是8。04。头 两次安装都可以用无线网络，但是这个安装后就没有无线网络，驱动没有出来，我的是笔记本，自带的无线网卡。BCOM有时候能检测到，但提示重启，重启后就什么都没有了。

[Heraclesun]

期待高手解惑～～～

[Heraclesun]

没人理啊～～