Re: Installing driver for WiFi adapter

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Paul Smith writes:

On Tue, Aug 23, 2011 at 8:34 PM, Terry Polzin <foxec208@xxxxxxxxxx> wrote:
>> TP-LINK TL-WN821N
>
>
> Can you post output of lsmod and lsusb. Have you installed the firmware
> for the device into /lib/firmware?  If the device is supported by the
> kernel you won't be able to load the module without the firmware
> installed.
>
> Google is your friend.

Thanks, Terry.

Why do you believe you need to install some kind of a driver? From the below, it looks like your card is an atheros chip-based one, and you have a bunch of ath9 modules loaded.

What exactly is or is not working for you.


$ lsmod
Module                  Size  Used by
fuse                   62381  3
vboxnetadp              5674  0
vboxnetflt             17790  0
vboxdrv              1789793  2 vboxnetadp,vboxnetflt
sunrpc                200079  1
cpufreq_ondemand        5934  2
acpi_cpufreq            9536  0
freq_table              5038  2 cpufreq_ondemand,acpi_cpufreq
mperf                   1449  1 acpi_cpufreq
bnep                   14635  2
bluetooth             191587  7 bnep
ip6t_REJECT             3992  2
nf_conntrack_ipv6       7730  2
nf_defrag_ipv6          9083  1 nf_conntrack_ipv6
nf_conntrack_ipv4       8358  2
nf_defrag_ipv4          1513  1 nf_conntrack_ipv4
xt_state                1306  4
nf_conntrack           67613  3 nf_conntrack_ipv6,nf_conntrack_ipv4,xt_state
ip6table_filter         1655  1
ip6_tables             16908  1 ip6table_filter
snd_hda_codec_hdmi     22499  1
snd_hda_codec_conexant    54661  1
snd_hda_intel          23896  2
snd_hda_codec          82508  3
snd_hda_codec_hdmi,snd_hda_codec_conexant,snd_hda_intel
uvcvideo               57089  0
videodev               72104  1 uvcvideo
media                  11611  2 uvcvideo,videodev
ath9k_htc              50165  0
ath9k_common            2496  1 ath9k_htc
ath9k_hw              271229  2 ath9k_htc,ath9k_common
snd_hwdep               6328  1 snd_hda_codec
v4l2_compat_ioctl32     7377  1 videodev
arc4                    1417  2
snd_seq                52322  0
snd_seq_device          5941  1 snd_seq
ath5k                 162786  0
snd_pcm 78424 3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec
ath                    15098  3 ath9k_htc,ath9k_hw,ath5k
snd_timer              19372  2 snd_seq,snd_pcm
mac80211              247332  2 ath9k_htc,ath5k
snd                    63380  13
snd_hda_codec_hdmi,snd_hda_codec_conexant,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_seq,snd_seq_device,ssd_pcm,snd_timer
soundcore               6267  1 snd
snd_page_alloc          7343  2 snd_hda_intel,snd_pcm
cfg80211              148129  4 ath9k_htc,ath5k,ath,mac80211
r8169                  38146  0
hp_wmi                  8103  0
sparse_keymap           3358  1 hp_wmi
rfkill                 16436  5 bluetooth,cfg80211,hp_wmi
i2c_i801                9237  0
serio_raw               4414  0
mii                     4335  1 r8169
iTCO_wdt               13000  0
iTCO_vendor_support     2578  1 iTCO_wdt
joydev                  9615  0
microcode              18587  0
ipv6                  284570  43 ip6t_REJECT,nf_conntrack_ipv6,nf_defrag_ipv6
uas                     7775  0
ums_realtek             4859  0
usb_storage            46091  1 ums_realtek
wmi                     9033  1 hp_wmi
i915                  378728  2
drm_kms_helper         26474  1 i915
drm                   193923  3 i915,drm_kms_helper
i2c_algo_bit            4974  1 i915
i2c_core               25712  6
videodev,i2c_i801,i915,drm_kms_helper,drm,i2c_algo_bit
video                  12340  1 i915
$

$ lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 002: ID 0bda:0158 Realtek Semiconductor Corp. USB 2.0
multicard reader
Bus 001 Device 003: ID 04f2:b091 Chicony Electronics Co., Ltd Webcam
Bus 002 Device 005: ID 0cf3:7015 Atheros Communications, Inc.
Bus 007 Device 002: ID 04fc:0003 Sunplus Technology Co., Ltd CM1092
Optical Scroller Mouse
$
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