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PostPosted: Sun Nov 29, 2009 10:30 am 
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Joined: Sat Jul 19, 2008 6:48 am
Posts: 17
Location: Antwerp, Belgium
I'm using the rt2x00 wireless driver for my rt73 based dongle and I'm on kernel 2.6.31-6.

On startup my wireless connection behaves normal. Here's the output of iwconfig :

Code:
wlan0     IEEE 802.11bg  ESSID:"dlink"
          Mode:Managed  Frequency:2.417 GHz  Access Point: 00:1C:F0:C5:C7:0B
          Bit Rate=54 Mb/s   Tx-Power=20 dBm
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Power Management:on
          Link Quality=44/70  Signal level=-66 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0


Now after some time (15 minutes, half an hour, an hour or sometimes even after 5 minutes) my connection between the dongle and my wireless router gets lost and it sometimes reconnects automatically, sometimes not. In my browser I frequently get an error that my connection is lost. However, if I 'reload' the web page after that I almost instantly get the demanded page. Another option is to restart my wireless network using '/etc/rc.d/net-profiles restart' (I'm on Arch Linux).

Here's an output of pinging my wireless router that describes the above behavior :
Code:
chris@megatron ~]$ ping -v 192.168.0.1                       
PING 192.168.0.1 (192.168.0.1) 56(84) bytes of data.         
64 bytes from 192.168.0.1: icmp_seq=1 ttl=64 time=4999 ms     
64 bytes from 192.168.0.1: icmp_seq=2 ttl=64 time=4000 ms     
64 bytes from 192.168.0.1: icmp_seq=3 ttl=64 time=3001 ms     
64 bytes from 192.168.0.1: icmp_seq=4 ttl=64 time=2001 ms     
64 bytes from 192.168.0.1: icmp_seq=5 ttl=64 time=1001 ms     
64 bytes from 192.168.0.1: icmp_seq=6 ttl=64 time=1.95 ms     
64 bytes from 192.168.0.1: icmp_seq=7 ttl=64 time=0.561 ms   
64 bytes from 192.168.0.1: icmp_seq=8 ttl=64 time=2.89 ms     
64 bytes from 192.168.0.1: icmp_seq=9 ttl=64 time=1.99 ms     
64 bytes from 192.168.0.1: icmp_seq=10 ttl=64 time=2.74 ms   
64 bytes from 192.168.0.1: icmp_seq=11 ttl=64 time=2.78 ms   
64 bytes from 192.168.0.1: icmp_seq=12 ttl=64 time=2.77 ms


dmesg does not output anything special about my rt73.

What's happening ? Is there any way I can get more verbose output for my problem ?

Thanks in advance.


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PostPosted: Tue Dec 08, 2009 5:45 pm 
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Joined: Mon Dec 07, 2009 2:35 pm
Posts: 1
Did you ever find a solution to your problem? I am having the same problem running Ubuntu 9.10 kernel version 2.6.31-16-generic.
Mike


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PostPosted: Sat Dec 12, 2009 8:33 am 
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Joined: Sat Jul 19, 2008 6:48 am
Posts: 17
Location: Antwerp, Belgium
Mike,

I am still struggling with this problem (for more than a month now). In the meanwhile I upgraded to kernel 2.6.32 but the problem still remains. I trying changing channels (assuming there was an interference problem)... I tried setting power management off with 'iwconfig wlan0 power of' (assuming my dongle was put in sleep mode after some time)... I tried physically repositioning my router so that I have a better reception on my dongle ... But nothing helps :evil:
The only thing I found out the other day is that if the problem occurs and I ping my router one minute after that it hangs again. If I do within the minute I cannot reproduce the problem, go figure.

Here is the output of ping I tried this morning :

Code:
PING 192.168.0.1 (192.168.0.1) 56(84) bytes of data.
64 bytes from 192.168.0.1: icmp_seq=1 ttl=64 time=4999 ms
64 bytes from 192.168.0.1: icmp_seq=2 ttl=64 time=3991 ms
64 bytes from 192.168.0.1: icmp_seq=3 ttl=64 time=2991 ms
64 bytes from 192.168.0.1: icmp_seq=4 ttl=64 time=1991 ms
64 bytes from 192.168.0.1: icmp_seq=5 ttl=64 time=990 ms
64 bytes from 192.168.0.1: icmp_seq=6 ttl=64 time=0.448 ms
64 bytes from 192.168.0.1: icmp_seq=7 ttl=64 time=0.423 ms
64 bytes from 192.168.0.1: icmp_seq=8 ttl=64 time=3.22 ms
64 bytes from 192.168.0.1: icmp_seq=9 ttl=64 time=0.501 ms


One good side effect : setting power management off on my dongle made my connection (when it does work) faster.

Any help is more than welcome.

My desktop is KDE 4.3.4 by the way.


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