Comment 8 for bug 535424

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