Wpi keep disconnecting

[Johann Hugo]

On Thursday 18 September 2008, Kevin Oberman wrote:
> > From: David Booth <davidb at boothscientific.com>
> > Date: Thu, 18 Sep 2008 07:13:42 -0500
> > Sender: owner-freebsd-mobile at freebsd.org
> >
> > On Thursday 18 September 2008, Mark Kirkwood wrote:
> > > Alberto Rizzi wrote:
> > > > Sam Leffler ha scritto:
> > > >> Check for a firmware update for your router.
> > > >>
> > > >>    Sam
> > > >
> > > > It already has the latest firmware (maybe 4 years old).
> > > > Unfortunately I don't have other routers to try with.
> > >
> > > I would seriously doubt this is a router problem - I see the same
> > > thing with an Asus laptop using wpi driver + WPA encryption. In my
> > > case disabling the encryption was a workaround (a very poor one I
> > > know). This appears to be a Freebsd issue AFAIK, as for instance
> > > under Ubuntu I can have WPA enabled with such disconnection
> > > occurring.
> > >
> > > regards
> > >
> > > Mark
> >
> > I have a similar experience with wpi in a dell laptop running 7 stable
> > i386.  Without encryption, the connection will stay up without fail.
> > If I enable WPA, it disconnects at seeming random intervals that are
> > shortened by doing large file transfers.  Sometimes it will go for a
> > full day without disconnecting; however,  if I do a file ftp of a few
> > hundred megs, it may disconnect after a just a few minutes.  I do not
> > think that it is a hardware problem in either the card or the router
> > as when I boot the laptop into windows and use the same router and
> > same WPA settings, the connection remains rock solid even with
> > successive large file transfers.
>
> This is a bit of a shot in the dark, but I happen to be on a WPA
> connection today and I hit this one or something very similar. Since I
> am on an Atheros, it may be different, but I made the problem "go awa"
> with 'ifconfig ath0 -bgscan'. bgscan should not interfere in any way
> with normal operation, but I have seen issues from it for some time
> and al most always turn off bgscan as the first attempt to "fix" mystery
> disconnects.

I've got a Dell 1720 with a wpi wireless adapter in it. It was also droping 
the connection very often, until I added -bgscan to my ifconfig line. Now it 
stays connected all the time. except if my AP reboots then it does not want 
to reconnect automatically.