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Weird disconnect problems on 8.0-RELEASE

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Alex

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Mar 16, 2010, 10:13:25 AM3/16/10
to freebsd...@freebsd.org
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

connection_problem_summary.txt

Paul B Mahol

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Mar 16, 2010, 10:31:21 AM3/16/10
to Alex, freebsd...@freebsd.org

For more help you may need to provide 80211 packets.

Alex

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Mar 16, 2010, 7:35:10 PM3/16/10
to freebsd...@freebsd.org
On Tue, Mar 16, 2010 at 10:31, Paul B Mahol <one...@gmail.com> wrote:
> For more help you may need to provide 80211 packets.
>

Hi Paul. I recall having a discussion with you about this earlier in
the year. Do I require special hardware in order to be able to capture
such packets, or can I get them directly from Wireshark?

--
Alex

Alex

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Mar 17, 2010, 8:53:53 AM3/17/10
to Paul B Mahol, freebsd...@freebsd.org
On Wed, 17 Mar 2010 10:35:21 +0000

Paul B Mahol <one...@gmail.com> wrote:

> On Tue, Mar 16, 2010 at 2:54 PM, Alex <ale...@gmail.com> wrote:
> > On Tue, 16 Mar 2010 14:31:21 +0000


> > Paul B Mahol <one...@gmail.com> wrote:
> >

> >> For more help you may need to provide 80211 packets.
> >

> > Hi Paul. I recall having a discussion with you about this earlier in
> > the year. Do I require special hardware in order to be able to
> > capture such packets, or can I get them directly from Wireshark?
>

> You will need hardware which have support via drivers like ath(4) for
> monitor mode operation.
>
> But I recall that you did not have such problems with older NDISulator
> from 5.X or 6.X days?

I do not recall having this problem in the 7.x days.

--
Alex

Paul B Mahol

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Mar 17, 2010, 12:22:47 PM3/17/10
to Alex, freebsd...@freebsd.org

You could downgrade to 7.2 and make sure that it is working properly.
>From there on you could than bisect through commits related to ndis
and if_ndis files, the best interface for that is using freebsd git
mirror from gitorious: git://gitorious.org/freebsd/freebsd.git

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