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Re: [ath9k-devel] [Moblin Dev] Wireless is keep on disconnecting

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Hello Luis,

On Tue, Jan 12, 2010 at 10:48 PM, Luis R. Rodriguez
<lrodriguez@xxxxxxxxxxx> wrote:
> On Tue, Jan 12, 2010 at 9:14 AM, Jaswinder Singh Rajput
> <jaswindermobile@xxxxxxxxx> wrote:
>> Hello Luis,
>>
>> On Tue, Jan 12, 2010 at 10:16 PM, Luis R. Rodriguez
>> <lrodriguez@xxxxxxxxxxx> wrote:
>>> On Tue, Jan 12, 2010 at 7:24 AM, Jaswinder Singh Rajput
>>> <jaswindermobile@xxxxxxxxx> wrote:
>>>
>>>>> I keep on getting "Network Lost" message on moblin 2.1 when I transfer
>>>>> some big file. I am trying to understand Is it a feature or a Bug.
>>>>>
>>>>> My other machines are working great with Wireless even Windows XP
>>>>> running on Netbook never did this to me.
>>>
>>> Your report lacks a lot of information, its unclear what Moblin 2.1 is
>>> using for its kernel for those who are not following moblin
>>> development on a regular basis, and if its anything older than 2.6.32
>>> its old and I recommend upgrading. May want to try to upgrade your
>>> kernel or upgrade to a stable release of compat-wireless snapshot for
>>> example:
>>>
>>> http://wireless.kernel.org/en/users/Download/stable
>>>
>>
>> I am attaching dmesg on Acer Aspire One D250 Netbook.
>>
>> I am going to build latest git kernel and with latest wireless kernel
>> on it and let you know the status.
>
> latest wireless kernel is not a good idea if you are considering using
> wireless-testing unless your are up to deal with a bleeding edge
> kernel which may not yet be completely stable. Stick to stable if you
> want stable.
>

I have old kernel git tree (2.6.32-rc7 ac50e9507 , Tue Nov 17 09:42:35
2009) sitting on my box I tested with it.
I have tested it for long time and I am attaching the dmesg, I never
got Network Lost message with :
commit ac50e950784cae1c26ad9e09ebd8f8c706131eb3
Merge: 5743695... 6c06f07...
Author: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Date:   Tue Nov 17 09:42:35 2009 -0800

Here is my test with iperf, even though iperf client does not work so
I used iperf server and get speed of approx 19 Mbits/sec. Now my issue
is why speed is soo slow ?

[jaswinder@jaswinder-desktop iperf-2.0.4]$ ./configure CXX=g++-4.3
CC=gcc-4.3 --prefix=/home/jaswinder

[jaswinder@jaswinder-desktop iperf-2.0.4]$ iperf -c 192.168.1.220
connect failed: No route to host
write1 failed: Broken pipe
write2 failed: Broken pipe
------------------------------------------------------------
Client connecting to 192.168.1.220, TCP port 5001
TCP window size: 16.0 KByte (default)
------------------------------------------------------------
[  3] local 0.0.0.0 port 38243 connected with 192.168.1.220 port 5001
[ ID] Interval       Transfer     Bandwidth
[  3]  0.0- 0.0 sec  0.00 Bytes  0.00 bits/sec
[jaswinder@jaswinder-desktop iperf-2.0.4]$ iperf -s
------------------------------------------------------------
Server listening on TCP port 5001
TCP window size: 85.3 KByte (default)
------------------------------------------------------------
[  4] local 192.168.1.2 port 5001 connected with 192.168.1.220 port 48659
[ ID] Interval       Transfer     Bandwidth
[  4]  0.0-10.3 sec  23.1 MBytes  18.9 Mbits/sec
[  5] local 192.168.1.2 port 5001 connected with 192.168.1.220 port 48660
[ ID] Interval       Transfer     Bandwidth
[  5]  0.0-10.2 sec  24.0 MBytes  19.7 Mbits/sec
[  4] local 192.168.1.2 port 5001 connected with 192.168.1.220 port 39090
[ ID] Interval       Transfer     Bandwidth
[  4]  0.0-120.2 sec    286 MBytes  19.9 Mbits/sec

I will also test with wireless-testing tree and let you know the results.

Thank you,
--
Jaswinder Singh.

Attachment: dmesg-ac50e50-wireless-working
Description: Binary data


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