On 06/22/2010 01:54 PM, Fabrizio Regalli wrote: > Gábor, Larry > > first of all, excuse me for my mistake: I forget to add in Cc: the ml. > > The actual situation is: > > ## /etc/modprobe.d/b43.conf ## > > options b43 pio=0 qos=0 nohwcrypt=1 > > I remove network-manager and gnome-network-manager
That step was not necessary. I run under the KDE NetworkManager all the time. > It seems to recognize correctly the access point: > > ## iwconfig ## > > wlan0 IEEE 802.11bg ESSID:"XXXXX" > Mode:Managed Frequency:2.472 GHz Access Point: > 00:18:4D:2E:85:4A > Bit Rate=1 Mb/s Tx-Power=20 dBm > Retry long limit:7 RTS thr:off Fragment thr:off > Encryption key:off > Power Management:off > Link Quality=70/70 Signal level=-21 dBm > Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 > Tx excessive retries:0 Invalid misc:0 Missed beacon:0 Yes, you are associated. > > ## ifconfig ## > > wlan0 Link encap:Ethernet HWaddr 00:1d:60:e7:53:b8 > inet addr:192.168.0.100 Bcast:192.168.0.255 Mask:255.255.255.0 > inet6 addr: fe80::21d:60ff:fee7:53b8/64 Scope:Link > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:49 errors:0 dropped:0 overruns:0 frame:0 > TX packets:91 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:1000 > RX bytes:4471 (4.3 KiB) TX bytes:12226 (11.9 KiB) You also have an IP number. Some systems have trouble with IPv6. If you do not need it, you might disable it. > but the ping is very horrible and the connection is unstable: > > > ING 192.168.0.2 (192.168.0.2) 56(84) bytes of data. > 64 bytes from 192.168.0.2 <http://192.168.0.2>: icmp_req=1 ttl=64 > time=2180 ms > 64 bytes from 192.168.0.2 <http://192.168.0.2>: icmp_req=3 ttl=64 > time=888 ms > > 24 packets transmitted, 13 received, 45% packet loss, time 23128ms > rtt min/avg/max/mdev = 215.307/2399.514/5875.790/1923.942 ms, pipe 6 Yes - awful performance. > > .. > > I'm using wpa_supplicant with wpa2 authentication Could be this the > problem? No. I use WPA2 authentication all the time. I have no idea what is causing the changes in performance. I do not see them. My system will go off-line once in a while, but I never see the dropouts or the very long ping times. Larry _______________________________________________ b43-dev mailing list [email protected] http://lists.infradead.org/mailman/listinfo/b43-dev
