same problem
Linux Antec 2.6.31-19-generic #56-Ubuntu SMP Thu Jan 28 02:39:34 UTC
2010 x86_64 GNU/Linux
upgrade from jaunty-karma, this device now slow:
Bus 001 Device 021: ID 083a:4505 Accton Technology Corp. SMCWUSB-G
wlan1 IEEE 802.11bg ESSID:"Arrivederce"
Mode:Managed Frequency:2.462 GHz Access Point: E6:47:63:93:BD:A4
Bit Rate=1 Mb/s Tx-Power=27 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=39/100 Signal level=39/100
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
dmesg.0:
[ 20.250605] usb 1-5: firmware: requesting zd1211/zd1211b_ub
[ 20.252890] usb 1-5: firmware: requesting zd1211/zd1211b_uphr
[ 20.314593] zd1211rw 1-5:1.0: firmware version 4725
[ 20.358809] zd1211rw 1-5:1.0: zd1211b chip 083a:4505 v4810 high 00-22-2d
AL2230_RF pa0 g--NS
[ 20.361339] cfg80211: Calling CRDA for country: US
[ 20.362530] cfg80211: Regulatory domain changed to country: US
[ 20.362532] (start_freq - end_freq @ bandwidth), (max_antenna_gain,
max_eirp)
[ 20.362534] (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2700 mBm)
[ 20.362536] (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 1700 mBm)
[ 20.362537] (5250000 KHz - 5330000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[ 20.362539] (5490000 KHz - 5710000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[ 20.362541] (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 3000 mBm)
Under jaunty, this device performed at 54 mbps no problem--what's this
regulatory domain stuff? could that be related?! I live in France, but my
Ubuntu language is English...
--
slow speed (1MB/S) on ubuntu karmic 9.10 64-bit using smcwusb-g (ezconnect)
https://bugs.launchpad.net/bugs/479283
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