On 7/28/2017 13:11, Kevin Oberman wrote: > I am having evere issues with bringing up my network card. I had previously > had this and a patch to a locking issued mostly fixed it. (It still popped > up now and ten, but moved from "problem" to "annoyance".) Now it is again a > problem. > > System is a Lenovo T520 ThinkPad running 1-STABLE with an Intel WiFi card: > iwn0@pci0:3:0:0: class=0x028000 card=0x13118086 chip=0x00858086 > rev=0x34$ > vendor = 'Intel Corporation' > device = 'Centrino Advanced-N 6205 [Taylor Peak]' > class = network > > When the card is brought up at boot time, it has a very hard time getting a > connection. It could take over a minute to connect, but the system kept > reporting that the card had transitioned from DOWN to UP and DHCP would > fire up. After one or two cases of the card showing hung and a firmware > reload, it would make a connection and things would be fine. > > Since about hte start of the 11.1 release cycle, it has gotten much worse > and some really odd behavior has appeared. It often seems to fail to scan > properly and connects to a neighbor's Xfinity (Comcast) service (very weak > signal and low priority in the wpa_supplicant config file) instead of my > AP. If I run "ifconfig wlan0 list scan", I don't even see my AP. If I > restart, I go through the same connection dance and my eventually connect > to my AP. A "list scan" usually does not show any Xfinity SSID. Weird. > > It now get really weird. I try to re-scan for APs with "ifconig wlan0 > scan". It used to take a few seconds to scan before reporting the list of > APs, but now comes back instantly, always with an identical list of APs. It > never changes. It looks like scan is a no-op. Waiting for background scan > to run also never seems to show any change in the list of available APs. > Not even slight changes is S/N ratio. > > My kernel has IWN_DEBUG and IEEE80211_DEBUG, but I am not sure how to get > debug enabled at boot. sysctl.conf takes care of dev.iwn.0.debug, but I'm > not sure how to do "wlandebug +assoc +auth +state +rate" at boot. Do I need > to write a little rc.d script to run after /usr is mounted and before the > network starts? Of is there a better way? > > Thanks! I am seeing the same behavior with an X220 Thinkpad with (what I believe is) the same Centrino (a/b/g capable) WiFi card. It works /most of the time /eventually, but often will cycle two or three times before it finally comes up.
I did not see the problem with 11.0, but with 11.1-RELEASE it is a definite issue. -- Karl Denninger k...@denninger.net <mailto:k...@denninger.net> /The Market Ticker/ /[S/MIME encrypted email preferred]/
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