Weird disconnect problems on 8.0-RELEASE

[Alex]

Hi. When attempting to use wireless at a friend's house I experience
trouble when trying to view some pages. Sites like youtube work
properly, but when navigating to other pages I get disconnected
from the access point. This effect is reproducible every time and
happens simply by going to Opera and hitting "Refresh" on that specific
page:

Refresh the trouble-causing page:
Mar 16 09:50:26 orion wpa_supplicant[82762]: CTRL-EVENT-DISCONNECTED -
Disconnect event - remove keys

And then after a few seconds it reconnects and stays connected. This
behavior does not exist on a wired connection. I have an RTL8192SE and
am using NDIS along with drivers supplied by Lenovo.

Does anyone know why this might be happening? All other wireless
devices work fine with the AP. Moreover, at my own house I have trouble
loading the same pages I do here at my friend's house.

Attached is the output from wireshark when the problem occurs.

-- 
Alex
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No.     Time        Source                Destination           Protocol Info
      6 0.137953    192.168.1.187         xx.xx.xx.xx          HTTP     POST /admin/reports/updates?destination=admin%2Freports%2Fupdates HTTP/1.1  (application/x-www-form-urlencoded)
      7 0.516486    192.168.1.187         xx.xx.xx.xx          TCP      [TCP Retransmission] [TCP segment of a reassembled PDU]
      8 1.073500    192.168.1.187         xx.xx.xx.xx          TCP      [TCP Retransmission] [TCP segment of a reassembled PDU]
      9 1.986520    192.168.1.187         xx.xx.xx.xx          TCP      [TCP Retransmission] [TCP segment of a reassembled PDU]
     10 3.611553    192.168.1.187         xx.xx.xx.xx          TCP      [TCP Retransmission] [TCP segment of a reassembled PDU]
     11 6.456910    xx.xx.xx.xx          192.168.1.187         TCP      http > 26893 [FIN, ACK] Seq=1 Ack=1 Win=8326 Len=0 TSV=204051367 TSER=218896920
     12 6.660624    192.168.1.187         xx.xx.xx.xx          TCP      [TCP Retransmission] [TCP segment of a reassembled PDU]
     13 11.629732   192.168.1.187         xx.xx.xx.xx          TCP      [TCP Retransmission] [TCP segment of a reassembled PDU]
     14 13.626771   192.168.1.187         xx.xx.xx.xx          TCP      15614 > http [RST, ACK] Seq=1 Ack=1 Win=8326 Len=0 TSV=219015270 TSER=2086178604
     15 18.054481   xx.xx.xx.xx          192.168.1.187         TCP      http > 24102 [FIN, ACK] Seq=1 Ack=1 Win=8326 Len=0 TSV=330362173 TSER=218958607
     16 18.458801   xx.xx.xx.xx          192.168.1.187         TCP      http > 24102 [FIN, ACK] Seq=1 Ack=1 Win=8326 Len=0 TSV=330362577 TSER=218958607
     17 19.066468   xx.xx.xx.xx          192.168.1.187         TCP      http > 24102 [FIN, ACK] Seq=1 Ack=1 Win=8326 Len=0 TSV=330363185 TSER=218958607
     18 20.082475   xx.xx.xx.xx          192.168.1.187         TCP      http > 24102 [FIN, ACK] Seq=1 Ack=1 Win=8326 Len=0 TSV=330364201 TSER=218958607
     19 21.366943   192.168.1.187         xx.xx.xx.xx          TCP      [TCP Retransmission] [TCP segment of a reassembled PDU]
     20 21.914731   xx.xx.xx.xx          192.168.1.187         TCP      http > 24102 [FIN, ACK] Seq=1 Ack=1 Win=8326 Len=0 TSV=330366033 TSER=218958607
     21 24.437412   192.168.1.187         xx.xx.xx.xx          TCP      33041 > http [FIN, ACK] Seq=1005 Ack=1 Win=66608 Len=0 TSV=219026080 TSER=1650959271
     22 24.453545   xx.xx.xx.xx          192.168.1.187         TCP      [TCP Dup ACK 5#1] http > 33041 [ACK] Seq=1 Ack=884 Win=66608 Len=0 TSV=1650983588 TSER=219001660
     23 25.377939   xx.xx.xx.xx          192.168.1.187         TCP      http > 24102 [FIN, ACK] Seq=1 Ack=1 Win=8326 Len=0 TSV=330369497 TSER=218958607
     24 31.049776   xx.xx.xx.xx          192.168.1.187         TCP      http > 24102 [FIN, ACK] Seq=1 Ack=1 Win=8326 Len=0 TSV=330375169 TSER=218958607
     25 40.640376   192.168.1.187         xx.xx.xx.xx          TCP      [TCP Retransmission] [TCP segment of a reassembled PDU]
     26 42.286890   xx.xx.xx.xx          192.168.1.187         TCP      http > 24102 [FIN, ACK] Seq=1 Ack=1 Win=8326 Len=0 TSV=330386313 TSER=218958607