same problem after a fresh install of 11.04 64bit, wireless is practically unusable
Network controller: Atheros Communications Inc. AR9285 Wireless Network Adapter (PCI-Express) (rev 01) kernel is 2.6.38-8-generic and here is the result of lsmod Module Size Used by parport_pc 36959 0 ppdev 17113 0 vesafb 13761 1 binfmt_misc 17565 1 snd_hda_codec_hdmi 28103 1 snd_hda_codec_idt 71137 1 arc4 12529 2 snd_hda_intel 33211 2 snd_hda_codec 103804 3 snd_hda_codec_hdmi,snd_hda_codec_idt,snd_hda_intel snd_hwdep 13604 1 snd_hda_codec snd_pcm 96625 3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec snd_seq_midi 13324 0 ath9k 118238 0 snd_rawmidi 30486 1 snd_seq_midi joydev 17606 0 snd_seq_midi_event 14899 1 snd_seq_midi snd_seq 61621 2 snd_seq_midi,snd_seq_midi_event hp_wmi 13706 0 sparse_keymap 13898 1 hp_wmi snd_timer 29602 2 snd_pcm,snd_seq snd_seq_device 14462 3 snd_seq_midi,snd_rawmidi,snd_seq mac80211 294370 1 ath9k psmouse 73535 0 uvcvideo 72195 0 i7core_edac 27903 0 ath9k_common 13851 1 ath9k serio_raw 13166 0 ath9k_hw 323077 2 ath9k,ath9k_common videodev 82052 1 uvcvideo v4l2_compat_ioctl32 17078 1 videodev ath 23773 2 ath9k,ath9k_hw fglrx 2739144 104 edac_core 53845 3 i7core_edac snd 67382 14 snd_hda_codec_hdmi,snd_hda_codec_idt,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device cfg80211 178528 3 ath9k,mac80211,ath soundcore 12680 1 snd snd_page_alloc 18529 2 snd_hda_intel,snd_pcm video 19438 0 hp_accel 21880 0 lis3lv02d 19893 1 hp_accel input_polldev 14007 1 lis3lv02d lp 17825 0 parport 46458 3 parport_pc,ppdev,lp r8169 48022 0 ahci 25951 3 libahci 26642 1 ahci -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/535424 Title: No stable wireless connections -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs