F10 -- How do I start AR5413 interface?
Robert Moskowitz
rgm at htt-consult.com
Thu Dec 4 19:53:33 UTC 2008
Rodney Morris wrote:
> On 12/4/08, Robert Moskowitz <rgm at htt-consult.com> wrote:
>
>> Rodney Morris wrote:
>>
>>
>>> On 12/4/08, Robert Moskowitz <rgm at htt-consult.com> wrote:
>>>
>>>
>>>
>>>> Rodney Morris wrote:
>>>>
>>>>
>>>>
>>>>
>>>>> On 12/4/08, Robert Moskowitz <rgm at htt-consult.com> wrote:
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>> Rodney Morris wrote:
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>> [trimmed]
>>>
>>>
>>>
>>>>>>> The stock F10 kernel should support the ar5413, according to the
>>>>>>>
>> ath5k
>>
>>>>>>> website.[1] Is the ath5k module being loaded? What does "lsmod |
>>>>>>> grep ath" return?
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>> dm_multipath 17164 0
>>>>>> ath5k 112520 0
>>>>>> mac80211 173668 1 ath5k
>>>>>> cfg80211 23816 2 ath5k,mac80211
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>> The ath5k module is definitely loaded. For NetworkManager to use your
>>>>> wireless card, it must be present in HAL. Run "lshal" from the
>>>>> command line and see if "atheros" or "ar5413" appears in the output.
>>>>>
>>>>>
>>>>>
>>>>>
>>>> No. Nothing like that there.
>>>>
>>>>
>>>>
>>> Hmmm. . .. Other than looking through the log file and dmesg for
>>> anything odd, I only have a couple of more things for you to try.
>>>
>>> 1. Edit /etc/modprobe.conf and add "alias wifi0 ath5k", making sure
>>> to include a blank line at the end of the file. Then, reboot.
>>>
>>>
>>>
>> NO /etc/modprobe.conf !!!!!!
>>
>> Why? This is probably why no sound either!
>>
>
> I was equally vexed when I found no /etc/modprobe.conf on my F10
> installation. I needed to add an modprobe option for my case's LCD
> display to work properly. Fortunately, creating the file and adding
> the appropriate stanza worked.
>
So how do you start making /etc/modprobe.conf? And what to do for
Atheros and sound. the /etc/modprobe.conf on an identical unit running
Centos 5.2 has:
alias eth0 8139too
alias snd-card-0 snd-hda-intel
options snd-card-0 index=0
options snd-hda-intel index=0
remove snd-hda-intel { /usr/sbin/alsactl store 0 >/dev/null 2>&1 || : ;
}; /sbin/modprobe -r --ignore-remove snd-hda-intel
>>> 2. If you can obtain your wireless card's MAC address, add an entry
>>> to /etc/udev/rules.d/70-persistent-net, using what is
>>>
>> listed for eth0
>>
>>> as a guide. (I don't know if modifying the udev rules in this manner
>>> is considered the best practice.)
>>>
>>>
>>>
>> Well it looks like something is recognized:
>>
>> # iwconfig wlan0
>> wlan0 IEEE 802.11b ESSID:""
>> Mode:Managed Frequency:2.412 GHz Access Point: Not-Associated
>> Tx-Power=0 dBm
>> Retry min limit:7 RTS thr:off Fragment thr=2352 B
>> Encryption key:off
>> Power Management:off
>> Link Quality:0 Signal level:0 Noise level:0
>> Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
>> Tx excessive retries:0 Invalid misc:0 Missed beacon:0
>>
>> # cat /proc/net/wireless
>> Inter-| sta-| Quality | Discarded packets | Missed | WE
>> face | tus | link level noise | nwid crypt frag retry misc | beacon | 22
>> wlan0: 0000 0 0 0 0 0 0 0 0 0
>>
>>
>
> Are you now able to see access points using NetworkManager and
> nm-applet? If not, does "iwlist wlan0 scan" list access points around
> you?
>
#iwlist wlan0 scan
wlan0 Interface doesn't support scanning : Network is down
No wlan0 interface it seems.
>
>>
>>> If neither of the above work, file a bug (my guess would be against
>>> HAL or udev) and use the madwifi packages from rpmfusion or atrpms
>>> until the bug is fixed.
>>>
>>>
>> Challenge with atrpms is kernel patching. I got to like the dkms approach
>> that is available via rpmforge for Centos. I was hoping that things would be
>> more integrated...
>>
>>
>
> If you like the dkms approach, you should check out the akmod-madwifi
> packages in the rpmfusion repo. From my understanding, akmod packages
> are similar to dkms packages in that a new module is compiled when a
> new kernel is installed. I have yet to use any of the akmod packages.
> I'm waiting till amd releases an fglrx driver that works with F10,
> but that is another thread.
How closely linked is the compile of akmod packages and releases of new
kernels?
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