On Wed, Jan 4, 2012 at 12:31 AM, Alexander Müller <[email protected]> wrote: > Hi, > > I have an Atheros AR9285 in my Samsung Notebook and run Kubuntu 11.10 and > Win7 on it. > While using Win7 i get speeds of about 8 Mbyte/s > When using Kubuntu I get only speeds below 2 Mbyte/s > > I tried the daily driver of 2 january 2012, but nothing changed. > via wired I get about 8 Mbyte/s, just to show that its not on the server > side.
looks like a throughput regression kindly check whether there is any improvement with http://linuxwireless.org/en/users/Download/stable#compat-wireless_2.6.39_stable_releases http://linuxwireless.org/en/users/Download/stable#compat-wireless_2.6.38_stable_releases > > Is it possibly to get higher speeds? > it's just kinda sad to get speeds from 5 years ago with new Hardware. > > thanks > > Here some data: > > iw list: > Wiphy phy0 > Band 1: > Capabilities: 0x11ce > HT20/HT40 > SM Power Save disabled > RX HT40 SGI > TX STBC > RX STBC 1-stream > Max AMSDU length: 7935 bytes > DSSS/CCK HT40 > Maximum RX AMPDU length 65535 bytes (exponent: 0x003) > Minimum RX AMPDU time spacing: 8 usec (0x06) > HT TX/RX MCS rate indexes supported: 0-7 > Frequencies: > * 2412 MHz [1] (14.0 dBm) > * 2417 MHz [2] (15.0 dBm) > * 2422 MHz [3] (15.0 dBm) > * 2427 MHz [4] (15.0 dBm) > * 2432 MHz [5] (15.0 dBm) > * 2437 MHz [6] (15.0 dBm) > * 2442 MHz [7] (15.0 dBm) > * 2447 MHz [8] (15.0 dBm) > * 2452 MHz [9] (15.0 dBm) > * 2457 MHz [10] (15.0 dBm) > * 2462 MHz [11] (15.0 dBm) > * 2467 MHz [12] (15.0 dBm) (passive scanning) > * 2472 MHz [13] (14.0 dBm) (passive scanning) > * 2484 MHz [14] (disabled) > Bitrates (non-HT): > * 1.0 Mbps > * 2.0 Mbps (short preamble supported) > * 5.5 Mbps (short preamble supported) > * 11.0 Mbps (short preamble supported) > * 6.0 Mbps > * 9.0 Mbps > * 12.0 Mbps > * 18.0 Mbps > * 24.0 Mbps > * 36.0 Mbps > * 48.0 Mbps > * 54.0 Mbps > max # scan SSIDs: 4 > Supported interface modes: > * IBSS > * managed > * AP > * AP/VLAN > * WDS > * monitor > * mesh point > * Unknown mode (8) > * Unknown mode (9) > Supported commands: > * new_interface > * set_interface > * new_key > * new_beacon > * new_station > * new_mpath > * set_mesh_params > * set_bss > * authenticate > * associate > * deauthenticate > * disassociate > * join_ibss > * Unknown command (68) > * Unknown command (55) > * Unknown command (57) > * Unknown command (59) > * Unknown command (67) > * set_wiphy_netns > * Unknown command (65) > * Unknown command (66) > * Unknown command (82) > * Unknown command (81) > * Unknown command (84) > * Unknown command (87) > * Unknown command (85) > * testmode > * connect > * disconnect > iwlist wlan0 scan: > wlan0 Scan completed : > Cell 01 - Address: 00:1C:4A:4G:DH:I9 > Channel:5 > Frequency:2.432 GHz (Channel 5) > Quality=70/70 Signal level=-33 dBm > Encryption key:on > ESSID:"mySSID" > Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s > 9 Mb/s; 12 Mb/s; 18 Mb/s > Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s > Mode:Master > Extra:tsf=000000024f19e180 > Extra: Last beacon: 15856ms ago > IE: Unknown: 00066165786C616E > IE: Unknown: 010882848B968C129824 > IE: Unknown: 030105 > IE: IEEE 802.11i/WPA2 Version 1 > Group Cipher : TKIP > Pairwise Ciphers (1) : CCMP > Authentication Suites (1) : PSK > IE: WPA Version 1 > Group Cipher : TKIP > Pairwise Ciphers (1) : TKIP > Authentication Suites (1) : PSK > IE: Unknown: 2A0100 > IE: Unknown: 3204B048606C > IE: Unknown: > DD180050F2020101800003A4000027A4000042435E0062322F00 > IE: Unknown: > 2D1A4E101BFFFF000000000000000000000000000000000000000000 > IE: Unknown: > 3D16050F0800000000000000000000000000000000000000 > IE: Unknown: DD0900037F01010000FF7F > IE: Unknown: DD0A00037F04010001000000 > > iw dev wlan0 link: > Connected to 00:1c:4a:G5:Hd:I9 (on wlan0) > SSID: mySSID > freq: 2432 > RX: 148276513 bytes (133973 packets) > TX: 7880580 bytes (68321 packets) > signal: -34 dBm > tx bitrate: 121.5 MBit/s MCS 6 40Mhz > > > _______________________________________________ > ath9k-devel mailing list > [email protected] > https://lists.ath9k.org/mailman/listinfo/ath9k-devel > -- shafi _______________________________________________ ath9k-devel mailing list [email protected] https://lists.ath9k.org/mailman/listinfo/ath9k-devel
