Return-path: Received: from s3.sipsolutions.net ([144.76.43.152]:41392 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753781Ab3LPNpc (ORCPT ); Mon, 16 Dec 2013 08:45:32 -0500 Message-ID: <1387201528.2057.1.camel@jlt4.sipsolutions.net> (sfid-20131216_144543_869010_B48EFC05) Subject: Re: [BUG] P2P setup timeout From: Johannes Berg To: David Herrmann Cc: linux-wireless Date: Mon, 16 Dec 2013 14:45:28 +0100 In-Reply-To: (sfid-20131216_143914_205158_56AAC54B) References: <1387197416.4665.15.camel@jlt4.sipsolutions.net> (sfid-20131216_143914_205158_56AAC54B) Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Mon, 2013-12-16 at 14:39 +0100, David Herrmann wrote: > > Can you check in a sniffer what the frame bitrates are that go out? This > > seems suspicious: > > > > nl80211: Set TX rates failed: ret=-100 (Network is down) > > I looked at the sniffer data and all I see is a huge amount of p2p > probe requests from my local device, the successful p2p-invitation and > invitation response and then lots of go-negotiation requests that > never get any response. Right, and I suspect they don't get a response because (as the sniffer trace tells me) they're sent with 1 Mbps (a CCK rate), which is invalid in the P2P spec (must use OFDM). Thus something is wrong with the TX bitrates stuff, but I can't tell you where that would be ... johannes