On 01/02/13 01:09, Vojtech Havel wrote: > Hi, > > I have problems with my Broadcom BCM4313 wifi card while using brcmsmac module. > > The wifi signal is terribly weak. When the distance between my laptop and AP is > more than ~5 m the network is not visible at all. When the laptop is closer, > it connects, but it is very slow due to weak signal. I have to sit next to AP > when I want link quality more than 60/70. > > If I use Broadcom hybrid driver - wl - it works normally (but has different > problems...). > > I tried to use three different wifi networks with this combination and all of > them had the same problem. > > ----- > My setting: > $ uname -r > 3.8.0-rc1 > > I applied the patch from: > http://marc.info/?l=linux-wireless&m=135635090121154&w=2 > > The same with 3.5.7 gentoo kernel. > ----- > wavemon info: (with brcmsmac, ~5 m between my laptop and the ap) > > ┌─Interface──────────────────────────────────────────────── > │wlan0 (IEEE 802.11bgn, WPA/WPA2), ESSID: "ihome" > ├─Levels─────────────────────────────────────────────────── > │ > │link quality: 23/70 > │====================== > │ > │signal level: -87 dBm (2,00 pW) > │======== > │ > │ > ├─Statistics─────────────────────────────────────────────── > │RX: 3 8178(2,41 MiB), invalid: 0 nwid, 0 crypt, 0 frag, 3 misc > │TX: 4 1789(779,619KiB), mac retries: 31, missed beacons: 0 > ├─Info───────────────────────────────────────────────────── > │mode: Managed, access point: (not relevant :-)) > │freq: 2,437 GHz, channel: 6, bitrate: 5,5 Mbit/s > │power mgt: off, tx-power: 19 dBm (79,43 mW) > │retry: long limit 7, rts/cts: off, frag: off > │encryption: n/a (requires CAP_NET_ADMIN permissions) > ├─Network────────────────────────────────────────────────── > │wlan0 (UP RUNNING BROADCAST MULTICAST) > │mac: (not relevant :-)), qlen: 1000 > │ip: 192.168.1.103/24, bcast: 255.255.255.255 > └────────────────────────────────────────────────────────── Hi Vojtech, I see you are running v3.8-rc1, that's great since you can provide us with the content of /sys/kernel/debug/brcmsmac/bcma0:0/hardware so we know exactly which hardware you have. Also dmesg contents would be helpful i think Kind regards Piotr -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
