From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:39321 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751090AbcFRXga (ORCPT ); Sat, 18 Jun 2016 19:36:30 -0400 Date: Sun, 19 Jun 2016 01:36:27 +0200 From: Pavel Machek To: pali.rohar@gmail.com, sre@kernel.org, kernel list , aaro.koskinen@iki.fi, ivo.g.dimitrov.75@gmail.com, patrikbachan@gmail.com, serge@hallyn.com, linux-wireless@vger.kernel.org Subject: Re: N900, wl1251: wifi is now slow, even with powersave off Message-ID: <20160618233627.GA10225@amd> (sfid-20160619_013702_805249_BA393BA8) References: <20160618155946.GA16792@amd> <20160618225554.GA27771@amd> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20160618225554.GA27771@amd> Sender: linux-wireless-owner@vger.kernel.org List-ID: On Sun 2016-06-19 00:55:54, Pavel Machek wrote: > Hi! > > > Ping to N900: > > > > 64 bytes from maemo (10.0.0.8): icmp_seq=187 ttl=64 time=124 ms > > rtt min/avg/max/mdev = 4.382/101.866/453.145/42.395 ms > > root@duo:/data/pavel# > > > > Now on n900: > > > > pavel@n900:/my/tui/ofone$ sudo iw dev wlan0 set power_save off > > pavel@n900:/my/tui/ofone$ > > > > That should bring ping back to < 2 msec range, but nothing changes: > > > > root@duo:/data/pavel# ping maemo > > PING maemo (10.0.0.8) 56(84) bytes of data. > > 64 bytes from maemo (10.0.0.8): icmp_seq=1 ttl=64 time=78.5 ms > > rtt min/avg/max/mdev = 18.298/68.025/118.223/30.756 ms > > root@duo:/data/pavel# > > > > Any ideas what is going on there? > > v4.4: works ok, rtt min/avg/max/mdev = 2.111/2.243/2.524/0.150 ms > v4.5-rc0: can't get wifi to work. v4.5: slow as described. > v4.6: slow as described. > v4.7-rc3: slow as described. Hmm. If wifi is truly broken in -rc0, I'm looking for some fun bisect :-(. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html