On Wednesday 02 of January 2013 08:20:51 Piotr Haber wrote: > 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 Hi Piotr, # cat /sys/kernel/debug/brcmsmac/bcma0:0/hardware board vendor: 14e4 board type: 608 board revision: 1109 board flags: 402201 board flags2: 884 firmware revision: 262032b $ dmesg mtrr: your BIOS has configured an incorrect mask, fixing it. ata1.00: failed to get Identify Device Data, Emask 0x1 ata1.00: failed to get Identify Device Data, Emask 0x1 ata1.00: configured for UDMA/100 ata1: EH complete EXT4-fs (sda3): re-mounted. Opts: commit=0 EXT4-fs (sda4): re-mounted. Opts: commit=0 NET: Registered protocol family 10 cfg80211: Calling CRDA to update world regulatory domain bcma: bus0: Found chip with id 0x4313, rev 0x01 and package 0x08 bcma: bus0: Core 0 found: ChipCommon (manuf 0x4BF, id 0x800, rev 0x24, class 0x0) bcma: bus0: Core 1 found: IEEE 802.11 (manuf 0x4BF, id 0x812, rev 0x18, class 0x0) bcma: bus0: Core 2 found: PCIe (manuf 0x4BF, id 0x820, rev 0x11, class 0x0) bcma: bus0: Found rev 8 PMU (capabilities 0x084C3008) bcma: bus0: SPROM offset 0x830 bcma: bus0: GPIO driver not activated bcma: bus0: Bus registered brcmsmac bcma0:0: mfg 4bf core 812 rev 24 class 0 irq 17 bcma: bus0: Switched to core: 0x812 ieee80211 phy0: Selected rate control algorithm 'minstrel_ht' brcmsmac bcma0:0: brcms_ops_bss_info_changed: qos enabled: false (implement) brcmsmac bcma0:0: brcms_ops_config: change power-save mode: false (implement) IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready wlan0: authenticate with 00:25:86:df:49:64 wlan0: direct probe to 00:25:86:df:49:64 (try 1/3) wlan0: send auth to 00:25:86:df:49:64 (try 2/3) wlan0: authenticated brcmsmac bcma0:0 wlan0: disabling HT as WMM/QoS is not supported by the AP brcmsmac bcma0:0 wlan0: disabling VHT as WMM/QoS is not supported by the AP wlan0: associate with 00:25:86:df:49:64 (try 1/3) wlan0: RX AssocResp from 00:25:86:df:49:64 (capab=0x431 status=0 aid=1) brcmsmac bcma0:0: brcmsmac: brcms_ops_bss_info_changed: associated brcmsmac bcma0:0: brcms_ops_bss_info_changed: arp filtering: enabled true, count 0 (implement) brcmsmac bcma0:0: brcms_ops_bss_info_changed: qos enabled: false (implement) wlan0: associated IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready��.n��������+%������w��{.n�����{���zW����ܨ}���Ơz�j:+v�����w����ޙ��&�)ߡ�a����z�ޗ���ݢj��w�f
