Hi, Sorry for the delay. > Today, I test Intel Centrino N-6205 Taylor Peak on Linux 2.6.39, It work perfect on Windows XP. > 'PS debugging in ma80211'?, Do you mean that I open the 'CONFIG_MAC80211_DEBUGFS=y' and See the log? > The detail step as following: No, I meant CONFIG_MAC80211_VERBOSE_PS_DEBUG, but given that the iPhone works, I can't convince myself that powersave could be the issue. Maybe you could enable CONFIG_MAC80211_HT_DEBUG instead and see if it's related to aggregation? johannes -- 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