On Wed, 2017-03-29 at 06:28 -0400, Dennis New wrote: > On Wed, 29 Mar 2017 09:34:50 +0200, Johannes Berg wrote: > > On Fri, 2017-03-24 at 21:32 -0400, Dennis New wrote: > > > Ever since I upgraded to the 4.10 kernels (I don't think this > > > behavior existed in the 4.8 series), after I startup my laptop > > > (either from cold boot, or from standby), my wlan0 interface > > > keeps > > > deauthenticating > > > ... > > > 19:23:29 kernel: wlan0: authenticate with 00:11:22:33:44:55 > > > 19:23:29 kernel: ------------[ cut here ]------------ > > > 19:23:29 kernel: WARNING: CPU: 0 PID: 18925 at > > > net/mac80211/mlme.c:287 ieee80211_determine_chantype+0x12e/0x380 > > > > This is already indicating a severe problem. I don't know how you > > end > > up in this situation with b43, since that doesn't have any > > regulatory > > magic afaict. > > > > > 19:23:29 kernel: wlan0: associated > > > > > > 19:24:29 kernel: wlan0: deauthenticating from 00:11:22:33:44:55 > > > by > > > local choice (Reason: 3=DEAUTH_LEAVING) > > > > I'm convinced that this comes from reg_check_channels(). > > > > The above WARN_ON() already told you that the channel was > > considered > > invalid. > > > > Do you know what channel your AP is on? > > 6 > > > Perhaps show the output of "iw wlan0 scan dump" while it's > > connected (you have 60 seconds :P) > > I have been having stable connections for the past few days, > simply by putting a 60 second sleep before starting my wlan0. > Although > if I /etc/init.d/net.wlan0 restart it (without the delay), it will > still do this deauth'ing. Very strange. > * 2437 MHz [6] > Maximum TX power: 20.0 dBm > Channel widths: That's quite odd, why isn't it listing any possible channel widths?! I get: * 2437 MHz [6] Maximum TX power: 15.0 dBm Channel widths: 20MHz HT40- HT40+ What's "iw reg get"? johannes
