[UUC] Re: Trouble with wifi on WPA encrypted network

Kenneth Adam Miller kennethadammiller at gmail.com
Tue Aug 24 19:57:55 BST 2010


Bump

On Fri, Aug 20, 2010 at 1:33 PM, Kenneth Adam Miller <
kennethadammiller at gmail.com> wrote:

>
>
> ---------- Forwarded message ----------
> From: Kenneth Adam Miller <kennethadammiller at gmail.com>
> Date: Fri, Aug 20, 2010 at 1:33 PM
> Subject: Re: [UUC] Re: Trouble with wifi on WPA encrypted network
> To: ubuntu-user-community at googlegroups.com
>
>
> I used the command numerous times, but it seems to me that it is just
> returning. Perhaps I am not using it correctly, but after using it, NM does
> not display any change. These commands were used:
>
> sudo iwconfig essid UTDGuest
> man iwconfig
> sudo iwconfig wlan0 essid "UTDGuest"
> man iwconfig
> sudo iwconfig wlan0 essid "UTDGuest" mode Managed
> sudo iwconfig wlan0 essid "UTDGuest" mode Managed freq 2.412G channel auto
> ap any
>
>
>
>
>
> On Thu, Aug 19, 2010 at 11:03 PM, Perks Williams <perks.williams at gmail.com
> > wrote:
>
>> use this command to connect to wifi and then check out if its
>> disconnecting.
>>
>> # sudo iwconfig essid UTDGuest mode Managed <.....look into iwconfig
>> man page to see how to provide encryption key>
>>
>> -A William
>>
>> On Aug 19, 9:49 pm, Kenneth Adam Miller <kennethadammil... at gmail.com>
>> wrote:
>> > This is with me connected to a wireless:
>> >
>> > lo        no wireless extensions.
>> >
>> > eth0      no wireless extensions.
>> >
>> > wlan0     IEEE 802.11bgn  ESSID:"UTDGuest"
>> >           Mode:Managed  Frequency:2.412 GHz  Access Point:
>> > 26:01:01:78:93:9B
>> >           Bit Rate=0 kb/s   Tx-Power=20 dBm
>> >           Retry  long limit:7   RTS thr:off   Fragment thr:off
>> >           Power Management:off
>> >           Link Quality=70/70  Signal level=-30 dBm
>> >           Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
>> >           Tx excessive retries:0  Invalid misc:0   Missed beacon:0
>> >
>> > This is when I deauthenticated:
>> >
>> > lo        no wireless extensions.
>> >
>> > eth0      no wireless extensions.
>> >
>> > wlan0     IEEE 802.11bgn
>> >
>> ESSID:"g\xC6isQ\xFFJ\xEC)\xCD\xBA\xAB\xF2\xFB\xE3F|\xC2T\xF8\x1B\xE8\xE7\x8
>> DvZ.c3\x9F\xC9\x9A"
>> >
>> >           Mode:Managed  Frequency:2.412 GHz  Access Point:
>> Not-Associated
>> >           Tx-Power=20 dBm
>> >           Retry  long limit:7   RTS thr:off   Fragment thr:off
>> >           Power Management:off
>> >
>> > On Thu, Aug 19, 2010 at 1:59 AM, Perks Williams <
>> perks.willi... at gmail.com>wrote:
>> >
>> >
>> >
>> > > Can you paste the  output of command iwconfig
>> >
>> > > # iwconfig
>> >
>> > > -A William
>> >
>> > > On Aug 19, 10:22 am, Kenneth Adam Miller <kennethadammil... at gmail.com
>> >
>> > > wrote:
>> > > > Indeed, I just rebooted into windows (i have a dual boot setup) and
>> found
>> > > > that windows device manager reports the wireless as this:
>> > > > Atheros AR5B93 Wireless Network Adapter
>> >
>> > > > On Thu, Aug 19, 2010 at 12:16 AM, Kenneth Adam Miller <
>> >
>> > > > kennethadammil... at gmail.com> wrote:
>> > > > > Hi, I'm using Ubuntu 10.04
>> > > > > I'm having trouble staying connected to a wifi network as the
>> subject
>> > > of my
>> > > > > email describes. To give you more detail, I will say that what is
>> > > happening,
>> > > > > is I will suddenly stop receiving data packages. Network Monitor
>> does
>> > > NOT
>> > > > > detect that I am disconnected. I haven't been patient enough to
>> see if
>> > > it
>> > > > > will reconnect on it's own, because simply going up to NM in the
>> top
>> > > bar and
>> > > > > selected the wireless that I want again does the trick. But I
>> don't
>> > > want to
>> > > > > continually have to deal with this problem.
>> >
>> > > > > Among the things that I have tried after following some of the
>> forum
>> > > posts
>> > > > > that I have discovered with research are updating the kernel and
>> > > creating a
>> > > > > file /etc/modprobe.conf and placing the lines
>> >
>> > > > > alias wlan0 iwlagn
>> > > > > options iwlagn swcrypto50=1 swcrypto=1
>> >
>> > > > > inside. I also placed this short line inside the file I created
>> under
>> > > > > "/etc/pm/config.d/00sleep_modules": SUSPEND_MODULES="ath9k"
>> >
>> > > > > None of these have fixed the problem.
>> >
>> > > > > Dmesg | tail reports this:
>> >
>> > > > >http://pastebin.com/4aSJgVMp
>> >
>> > > > > In particular, this line has drawn my attention: [ 2134.207681]
>> wlan0:
>> > > > > deauthenticating from 30:46:9a:3d:b2:1a by local choice (reason=3)
>> >
>> > > > > I am on an Acer 5740-6025 laptop. The wifi card is supposed to be
>> this:
>> > > > > 04:00.0 Network controller: Atheros Communications Inc. AR928X
>> Wireless
>> > > > > Network Adapter (PCI-Express) (rev 01)
>> >
>> > > > > Does anyone know why this is happening? or what I can do to fix
>> this?
>> >
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>
>
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