Date: Thu, 18 Sep 2008 16:29:24 -0500 From: David Booth <davidb@boothscientific.com> To: freebsd-mobile@freebsd.org Subject: Re: Wpi keep disconnecting Message-ID: <200809181629.24662.davidb@boothscientific.com> In-Reply-To: <200809182018.55084.jhugo@meraka.csir.co.za> References: <20080918173634.CE1844500E@ptavv.es.net> <200809182018.55084.jhugo@meraka.csir.co.za>
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On Thursday 18 September 2008, Johann Hugo wrote: > On Thursday 18 September 2008, Kevin Oberman wrote: > > > From: David Booth <davidb@boothscientific.com> > > > Date: Thu, 18 Sep 2008 07:13:42 -0500 > > > Sender: owner-freebsd-mobile@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. I will give it a try, but my memory is that bgscan is not supported in the wpi driver yet anyway, but I may be wrong. As far as reconnecting automatically, it never did that anyway, so I have nothing to loose.
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