Felix Fietkau wrote: > On 2011-03-27 2:08 PM, Klaus Müller wrote: >> Hello, >> >> I'm running kernel 2.6.38.1 (from the OpenSuSE buildservice on OpenSuSE >> 11.4) and compat-wireless-2011-03-26 (the performance / functionality of >> the driver delivered with 2.6.38.1 is unusable). >> [...] >> iwconfig wlan0 >> >> wlan0 IEEE 802.11bgn ESSID:"ssid" >> Mode:Managed Frequency:2.412 GHz Access Point: >> 00:25:33:22:11:00 >> Bit Rate=150 Mb/s Tx-Power=17 dBm >> Retry long limit:7 RTS thr:off Fragment thr:off >> Encryption key:off >> Power Management:on >> Link Quality=14/70 Signal level=-63 dBm >> Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 >> Tx excessive retries:4 Invalid misc:1423 Missed beacon:0 >> >> >> I run iwconfig 3 times in 7 seconds. The link quality alternated between >> 47 and 14. >> > Have you tried switching your AP to HT20 instead of HT40 to see if that > improves stability? If the AP is set to HT20, this driver doesn't use IEEE 802.11n any more, or, to say it more specific: the selected bit rate is max. 64 Mb/s and the performance is even worse. I'm wondering at all, why the ath9k driver doesn't switch to 300 Mb/s: the rt3572sta-driver doesn't have any problem with both settings. Klaus. -- 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