Bonjour à tous 
Je subi assez souvent des pertes de connections sur ma carte wifi
lspci | grep Net
08:01.0 Network controller: Broadcom Corporation BCM4306 802.11b/g Wireless LAN Controller (rev 03)
J’ai ce genre d’erreur dans /var/log/messages :
Oct 11 21:45:04 maison kernel: [267459.901021] b43-phy0: Loading firmware version 478.104 (2008-07-01 00:50:23)
Oct 11 21:45:04 maison kernel: [267459.993600] ADDRCONF(NETDEV_UP): wlan0: link is not ready
Oct 11 21:45:05 maison kernel: [267460.153519] skge eth0: disabling interface
Oct 11 21:45:05 maison kernel: [267460.158696] skge eth0: enabling interface
Oct 11 21:45:05 maison kernel: [267460.162136] ADDRCONF(NETDEV_UP): eth0: link is not ready
Oct 11 21:45:17 maison kernel: [267472.188656] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
Oct 11 21:48:59 maison kernel: [267694.460018] b43-phy0: Loading firmware version 478.104 (2008-07-01 00:50:23)
Oct 11 21:48:59 maison kernel: [267694.576550] ADDRCONF(NETDEV_UP): wlan0: link is not ready
Oct 11 21:48:59 maison kernel: [267694.648530] skge eth0: disabling interface
Oct 11 21:48:59 maison kernel: [267694.653581] skge eth0: enabling interface
Oct 11 21:48:59 maison kernel: [267694.656927] ADDRCONF(NETDEV_UP): eth0: link is not ready
Oct 11 21:49:05 maison kernel: [267700.171616] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
Et dans /var/log/syslog :
Oct 11 23:31:54 maison dhclient: DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 3
Oct 11 23:31:57 maison dhclient: DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 7
Oct 11 23:32:04 maison dhclient: DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 13
Oct 11 23:32:17 maison dhclient: DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 19
Oct 11 23:32:36 maison dhclient: DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 13
Oct 11 23:32:49 maison dhclient: DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 6
Oct 11 23:32:55 maison dhclient: No DHCPOFFERS received.
Oct 11 23:32:55 maison dhclient: No working leases in persistent database - sleeping.
Oct 11 23:37:39 maison dhclient: DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 6
Oct 11 23:37:45 maison dhclient: DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 9
Oct 11 23:37:54 maison dhclient: DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 14
Oct 11 23:38:08 maison dhclient: DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 12
Oct 11 23:38:20 maison dhclient: DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 12
Oct 11 23:38:32 maison dhclient: DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 8
Oct 11 23:38:40 maison dhclient: No DHCPOFFERS received.
Oct 11 23:38:40 maison dhclient: No working leases in persistent database - sleeping.
Une idée d’ou peut venir le probleme ?
Merci d’avance pour votre aide