Rafał Miłecki wrote: > 2007/5/9, Larry Finger <[EMAIL PROTECTED]>: >> There are some problems with bcm43xx in a crowded environment; >> however, I think your problems are >> with signal strength. The iwconfig log shows only very low signal >> levels. I see that you are using >> 2.6.21. Have you patched bcm43xx? If not, that will help some. In >> addition, your school has designed >> your networks badly. Channels 9 and 13 interfere with each other. If >> they are going to put all their >> AP's on only 2 channels, they should use 8 and 13. > > Unfortunately channels of APs didn't change. > > I tested this network again, using 2.6.22-rc2-git7-20-default and I > was not able to connect. I made a small log of /var/log/messages, > maybe it contains some usefully info? > > Ah, and one more fact. I think I have some problems with iwlist now: > > > acer:/home/zajec # iwlist scan > lo Interface doesn't support scanning. > > irda0 Interface doesn't support scanning. > > eth0 Interface doesn't support scanning. > > Warning: Driver for device wlan0 has been compiled with version 22 > of Wireless Extension, while this program supports up to version 21. > Some things may be broken... > > wlan0 Scan completed : > > > But on the other hand I can connect to network in 3 not crowded env > without problems... > > > ------------------------------------------------------------------------ > > May 30 08:10:42 acer kernel: bcm43xx: Radio turned off > May 30 08:10:42 acer kernel: bcm43xx: DMA-32 0x0200 (RX) max used slots: 1/64 > May 30 08:10:42 acer kernel: bcm43xx: DMA-32 0x02A0 (TX) max used slots: 0/512 > May 30 08:10:42 acer kernel: bcm43xx: DMA-32 0x0280 (TX) max used slots: 0/512 > May 30 08:10:42 acer kernel: bcm43xx: DMA-32 0x0260 (TX) max used slots: 0/512 > May 30 08:10:42 acer kernel: bcm43xx: DMA-32 0x0240 (TX) max used slots: 0/512 > May 30 08:10:42 acer kernel: bcm43xx: DMA-32 0x0220 (TX) max used slots: 1/512 > May 30 08:10:42 acer kernel: bcm43xx: DMA-32 0x0200 (TX) max used slots: 0/512 > May 30 08:10:42 acer kernel: ACPI: PCI interrupt for device 0000:06:05.0 > disabled > May 30 08:10:43 acer ifdown: Network interface is managed from NetworkManager > May 30 08:10:43 acer ifdown: NetworkManager cannot be advised to take down an > interface. > May 30 08:10:43 acer ifdown: Set up another interface instead. > May 30 08:10:43 acer zmd: NetworkStatus (WARN): Network has been disconnected > May 30 08:10:43 acer zmd: NetworkStatus (WARN): Network has been disconnected > May 30 08:10:43 acer zmd: NetworkStatus (WARN): Network has been disconnected > May 30 08:10:43 acer kernel: bcm43xx driver > May 30 08:10:43 acer kernel: ACPI: PCI Interrupt 0000:06:05.0[A] -> GSI 21 > (level, low) -> IRQ 21 > May 30 08:10:43 acer kernel: bcm43xx: Chip ID 0x4318, rev 0x2 > May 30 08:10:43 acer kernel: bcm43xx: Number of cores: 4 > May 30 08:10:43 acer kernel: bcm43xx: Core 0: ID 0x800, rev 0xd, vendor 0x4243 > May 30 08:10:43 acer kernel: bcm43xx: Core 1: ID 0x812, rev 0x9, vendor 0x4243 > May 30 08:10:43 acer kernel: bcm43xx: Core 2: ID 0x804, rev 0xc, vendor 0x4243 > May 30 08:10:43 acer kernel: bcm43xx: Core 3: ID 0x80d, rev 0x7, vendor 0x4243 > May 30 08:10:43 acer kernel: bcm43xx: PHY connected > May 30 08:10:43 acer kernel: bcm43xx: Detected PHY: Analog: 3, Type 2, > Revision 7 > May 30 08:10:43 acer kernel: bcm43xx: Detected Radio: ID: 8205017f (Manuf: > 17f Ver: 2050 Rev: 8) > May 30 08:10:43 acer kernel: bcm43xx: Radio turned off > May 30 08:10:43 acer kernel: bcm43xx: Radio turned off > May 30 08:10:44 acer kernel: eth1 renamed to wlan0 > May 30 08:10:44 acer rename_netiface: oldname eth1 does not exist > May 30 08:10:44 acer rename_netiface: oldname eth1 does not exist > May 30 08:10:44 acer ifup: Network interface is managed from NetworkManager > May 30 08:10:44 acer ifup: NetworkManager will be advised to set up wlan0 > May 30 08:10:44 acer ifup: but it cannot be assured from here. > May 30 08:10:44 acer kernel: bcm43xx: PHY connected > May 30 08:10:44 acer kernel: bcm43xx: Microcode rev 0x127, pl 0xe (2005-04-18 > 02:36:27) > May 30 08:10:44 acer kernel: bcm43xx: Radio turned on > May 30 08:10:44 acer kernel: bcm43xx: Radio enabled by hardware > May 30 08:10:44 acer kernel: bcm43xx: ASSERTION FAILED (radio_attenuation < > 10) at: drivers/net/wireless/bcm43xx/bcm43xx_phy.c:1489:bcm43xx_find_lopair() > May 30 08:10:44 acer kernel: bcm43xx: ASSERTION FAILED (radio_attenuation < > 10) at: drivers/net/wireless/bcm43xx/bcm43xx_phy.c:1489:bcm43xx_find_lopair() > May 30 08:10:44 acer kernel: bcm43xx: ASSERTION FAILED (radio_attenuation < > 10) at: drivers/net/wireless/bcm43xx/bcm43xx_phy.c:1489:bcm43xx_find_lopair() > May 30 08:10:44 acer kernel: bcm43xx: Chip initialized > May 30 08:10:44 acer kernel: bcm43xx: 32-bit DMA initialized > May 30 08:10:44 acer kernel: bcm43xx: Keys cleared > May 30 08:10:44 acer kernel: bcm43xx: Selected 802.11 core (phytype 2) > May 30 08:10:45 acer kernel: bcm43xx: ASSERTION FAILED (radio_attenuation < > 10) at: drivers/net/wireless/bcm43xx/bcm43xx_phy.c:1489:bcm43xx_find_lopair() > May 30 08:10:45 acer kernel: ADDRCONF(NETDEV_UP): wlan0: link is not ready > May 30 08:10:45 acer kernel: SoftMAC: Associate: Scanning for networks first. > May 30 08:10:45 acer kernel: SoftMAC: Associate: failed to initiate scan. Is > device up? > May 30 08:10:45 acer kernel: bcm43xx: set security called, .level = 0, > .enabled = 0, .encrypt = 0 > May 30 08:10:45 acer zmd: NetworkStatus (WARN): Network has been disconnected > May 30 08:10:45 acer kernel: SoftMAC: Scanning finished: scanned 13 channels > starting with channel 1 > May 30 08:10:45 acer kernel: SoftMAC: Associate: Scanning for networks first. > May 30 08:10:45 acer kernel: SoftMAC: Scanning finished: scanned 13 channels > starting with channel 1 > May 30 08:10:45 acer kernel: SoftMAC: Associate: Scanning for networks first. > May 30 08:10:46 acer kernel: SoftMAC: Scanning finished: scanned 13 channels > starting with channel 1 > May 30 08:10:46 acer kernel: SoftMAC: Unable to find matching network after > scan!
You can ignore the iwlist warning. The differences between versions 21 and 22 of wireless extensions are insignificant. Does iwlist really not show any AP's? If so, that is a problem of signal strength, not crowded spectrum. Larry _______________________________________________ Bcm43xx-dev mailing list [email protected] https://lists.berlios.de/mailman/listinfo/bcm43xx-dev
