On 11/16/2007 13:41, Kevin Oberman wrote: >> Date: Fri, 16 Nov 2007 13:03:32 -0600 >> From: Eric Schuele <e.schuele_at_computer.org> >> >> On 11/15/2007 23:35, Kevin Oberman wrote: >>>> Date: Thu, 15 Nov 2007 22:08:13 -0600 >>>> From: Eric Schuele <e.schuele_at_computer.org> >>>> Sender: owner-freebsd-current_at_freebsd.org >>>> >>>> Hello, >>>> >>>> I'm having some strangeness with respect to my atheros based card on >>>> releng_7. This may not sound like much... but together they concern m> e. >>>> I'm wondering if anyone has seen similar things. >>>> >>>> 1) I've seen two panics while trying to bring the interface up over >>>> the last few weeks. >>> I have not seen this. >>> >>>> 2) I get disconnected every night from my wireless router at home. >>>> 99% of the time it happens after I've gone to bed. Once or twice... >>>> while I was sitting in front of it. It just disassociates? >>> Try 'ifconfig ath0 -bgscan'. Something causes my card to lose >>> association periodically when the background scan is in progress. >> Are you saying try the above *after* I've been disconnected? Or is it >> an attempt to reproduce the disconnect? > > No. Try it as soon as your system comes up. Oh, I see. Would it be sufficient to place it in my rc.conf: ifconfig_ath0="WPA DHCP -bgscan" > It disables the regular > background scan for APs that, by default, happens every 5 minutes. Note > that I don't see my association go down on every scan, but turning this > off seems to prevent the disassociation from ever happening. I have > confirmation from at leat two others with the same Atheros chip-set that > this fixed their recurrent disconnects. (It certainly fixed mine.) > > Note that this change will have a negative effect if you are roaming or > your environment changes in some way. I do no roaming. > >>>> 3) When I am at the office, my card will *never* obtain an ip address >>>> from our DHCP server upon first booting. I must *always* down the >>>> interface, kill dhclient, bring the interface up and start dhclient. >>> Are you running wpa_supplicant? Are you using WPA, >> Yes, see below on my original post. >> >>> WEP or running open? >>> I see the card get "stuck" when scanning. It scans channels, but only >>> for WPA secured APs. When needing to associate with a WEP or open AP, it >>> never leaves WPA mode, so never associates. >> Hmm... yes, I 've noticed it doing this. Going around in circles >> through all the channels in WPA mode. odd. Any other work around other >> than bouncing the interface? > > I have found that '/etc/rc.d/wpa_supplicant restart ath0' fixes it for > me. I added an alias to my .tcshrc file to save typing. > > That said, I updated my sources last week and I don't recall seeing the > problem since then. Maybe it's fixed. I did see come fixes committed to > -current that might have been applicable, but I don't know if any have > been MFCed to 7.0 or if they will fix this. > > I really need a bit more time to collect and analyze some debug data on > this so I can give Sam some good data to work with. -- Regards, Eric
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