From owner-freebsd-wireless@FreeBSD.ORG Fri May 17 14:31:37 2013 Return-Path: Delivered-To: freebsd-wireless@freebsd.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id 1E0779F7; Fri, 17 May 2013 14:31:37 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-we0-x22e.google.com (mail-we0-x22e.google.com [IPv6:2a00:1450:400c:c03::22e]) by mx1.freebsd.org (Postfix) with ESMTP id 84E71FA9; Fri, 17 May 2013 14:31:36 +0000 (UTC) Received: by mail-we0-f174.google.com with SMTP id x53so3643690wes.19 for ; Fri, 17 May 2013 07:31:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:x-received:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=g/MoMa8KB09KBnBmFVHPB8X7Yh3wZR4gdWsmxqHnJ3g=; b=tDMMTssooZ4CMRATsbLycoofptMmGoRJ0oqm7ptRrRx8aZIZkIJf0ZMDYkXjsfuDuJ 6aIY7pUeQ6pWc3hwaUXOAEEmuSz2mayBc6QOrZ7bHs/TRgl4it0Ew+KQFOq7VXHQd8c5 YVdFLGmKVKAJlmVc90SRJFPnFyy1ih0BoONaDTZ1+0xgUYo4D7dkJ8YccCv8Wiz0WHOH IRutOwmFgLtFDlR1lBjQfJAMjLJZmcIqpeLR4yNZ7ck4fByZJndSaQYXu2wo2QzTB7eH 4nYalNvaw8eH7+TopYFI5z3ytufAfxc491avqqCKkF74jIsLQOvJjQU2xuYgrlrR5ckQ JYmA== MIME-Version: 1.0 X-Received: by 10.180.88.162 with SMTP id bh2mr8873318wib.3.1368801095618; Fri, 17 May 2013 07:31:35 -0700 (PDT) Sender: adrian.chadd@gmail.com Received: by 10.217.58.138 with HTTP; Fri, 17 May 2013 07:31:35 -0700 (PDT) In-Reply-To: <1676995012.20130517124517@serebryakov.spb.ru> References: <57577088.20130516130950@serebryakov.spb.ru> <1499704342.20130516183528@serebryakov.spb.ru> <1676995012.20130517124517@serebryakov.spb.ru> Date: Fri, 17 May 2013 07:31:35 -0700 X-Google-Sender-Auth: vCe3IQzNNX5d5a4jCaIUIP8pzmA Message-ID: Subject: Re: [rft] improved hostap powersave / ps-poll support is now in HEAD From: Adrian Chadd To: Lev Serebryakov Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Cc: freebsd-wireless@freebsd.org X-BeenThere: freebsd-wireless@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Discussions of 802.11 stack, tools device driver development." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 17 May 2013 14:31:37 -0000 Hi! Yup, I've reproduced one of the TX hangs here. I'll post more details soon. Thanks! Adrian On 17 May 2013 01:45, Lev Serebryakov wrote: > Hello, Adrian. > You wrote 16 =D0=BC=D0=B0=D1=8F 2013 =D0=B3., 21:53:49: > >>> AC> oh, when it drops to non-N mode, it likely did that because it fail= ed >>> AC> to successfully transmit a BAR frame to the receiver. >>> AC> can you provide me the whole log? I'll go see what's going on. >>> Attached. But I cannot say at which moment it drops to non-N mode now >>> :( > AC> Ok. Update to the latest -HEAD again and retry. I've fixed debugging > AC> to be a little clearer (to me, at least.) > Bad news: at this series of tests I didn't get N rates at all, and > got station deassociation again. Twice. It seems, that it depends on > HT/aggregation negotiation. > > Log attached. Log contains two series of tests: > > (1) Only debug was set to 0x920 value (see "sysctl" call) > Result: non-N rates, deassociation, automatic re-association in 30 > seconds without my intervention. > > (2) Additional "wlandebug +crypto +assoc +state" was called. > Result: the same. > > You could see "borders" of tests by "sudo" calls. > > Notebook was on AC power. > > -- > // Black Lion AKA Lev Serebryakov