Date: Sun, 27 Oct 2013 11:58:10 +0000 From: symbolics@gmx.com To: svn-src-all@freebsd.org Subject: Re: svn commit: r257133 - head/sys/dev/iwn Message-ID: <20131027115810.GA898@lemon> In-Reply-To: <20131027101106.GA2843@mole.fafoe.narf.at> References: <201310251944.r9PJis6q004419@svn.freebsd.org> <20131027101106.GA2843@mole.fafoe.narf.at>
next in thread | previous in thread | raw e-mail | index | archive | help
On Sun, Oct 27, 2013 at 11:11:07AM +0100, Stefan Farfeleder wrote: > On Fri, Oct 25, 2013 at 07:44:54PM +0000, Adrian Chadd wrote: > > Author: adrian > > Date: Fri Oct 25 19:44:53 2013 > > New Revision: 257133 > > URL: http://svnweb.freebsd.org/changeset/base/257133 > > > > Log: > > Temporarily disable multi-rate retry (link quality) and eliminate rate > > index lookups. > > > > * My recent(ish) change to iwn(4) and the net80211 rate control API to > > support 11n rates broke the link quality table use. So, until I or > > someone else decides to fix it, let's just disable it for now. > > > > * Teach iwn_tx_data_raw() to use the iwn_rate_to_plcp() function. > > > > * Eliminate two uses of the net80211 rate index lookup functions - they > > are only for legacy rates and they're not needed here. > > > > This fixes some invalid looking rate control TX issues that showed up > > on my 4965 but it doesn't fix the two TX hangs I've noticed. Those look > > like DMA related issues. > > > > Tested: > > > > * 4965, STA mode > > * 5100, STA mode > > Hi Adrian, > > this change completely broke iwn for me. It's a > > iwn0: <Intel WiFi Link 5100> mem 0xf1ffe000-0xf1ffffff irq 17 at device 0.0 on pci12 > > built-in device in a Dell Precision m4400. > > With this change, wpa_supplicant cannot associate any longer. In the > logs I see every few seconds > > Oct 27 10:57:37 mole wpa_supplicant[2256]: wlan0: Trying to associate with xx:xx:xx:xx:xx:xx (SSID='xx' freq=2427 MHz) > Oct 27 10:57:47 mole wpa_supplicant[2256]: wlan0: Authentication with xx:xx:xx:xx:xx:xx timed out. > Oct 27 10:57:47 mole wpa_supplicant[2256]: wlan0: CTRL-EVENT-DISCONNECTED bssid=xx:xx:xx:xx:xx:xx reason=3 locally_generated=1 > > If I revert just this revision based on a r257155 checkout, it works > again. Hi, I've also had similar or identical problems. iwn0: <Intel Centrino Advanced-N 6205> mem 0xd4400000-0xd4401fff <...> If I `ifconfig wlan0` often I see the interface associate and get an IP address and then immediately disconnect. --sym
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20131027115810.GA898>