From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_2 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8C912C3A59B for ; Mon, 19 Aug 2019 06:06:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5BED62054F for ; Mon, 19 Aug 2019 06:06:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=kapsi.fi header.i=@kapsi.fi header.b="xn5KYuNl" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726628AbfHSGG2 (ORCPT ); Mon, 19 Aug 2019 02:06:28 -0400 Received: from mail.kapsi.fi ([91.232.154.25]:42703 "EHLO mail.kapsi.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725946AbfHSGG1 (ORCPT ); Mon, 19 Aug 2019 02:06:27 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=kapsi.fi; s=20161220; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References :In-Reply-To:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=QrRTUIO5SSrV2cx2Gh2fDWiFfV5dRDRQV9nQULTcTvg=; b=xn5KYuNlGfTBZIqk5oEYIPg/Cx x8gw+a+JxtKP5x9SwfCj026d1pwRyc/Qtp16rShdE3MK+w7b5Vx5BjIPnQarEono1Um353Sl/6QNF RZEpH/0zJoB8amcp3Ht7+/0zdFsw9h548CJXGHiR8ONuWBmG0RdHsnZg3zXMIkMuLeSqNbGM3Rb4L hFZDDWAio0jVviR/UqBA6CJ0ybEHIfFpvBhlyxEhleBbL6UuXUnkBn74zqNiLzQKahc0Acd4eGmaT Ryhfw5X31NAMx32WBpZYJ1p1Omm8MbtDzoRObVTSbigOHET3cyjrplZeEZbnygTTgIZ5oyutcVzpL 3Tj5iaww==; Received: from dsl-hkibng41-56730e-69.dhcp.inet.fi ([86.115.14.69] helo=lettuce) by mail.kapsi.fi with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1hzao9-0001od-7W; Mon, 19 Aug 2019 09:06:21 +0300 Date: Mon, 19 Aug 2019 09:06:19 +0300 From: Emil Karlson To: Stanislaw Gruszka Cc: Kalle Valo , linux-wireless@vger.kernel.org Subject: Re: Ap mode regression in linux-5.3-rc1 in rt2800usb Message-ID: <20190819090619.54f523cb@lettuce> In-Reply-To: <20190816093302.GA2158@redhat.com> References: <20190813215000.6cc27ade@lettuce> <20190814085018.GA29199@redhat.com> <20190816110012.63982001@lettuce> <20190816093302.GA2158@redhat.com> X-Mailer: Claws Mail 3.17.3 (GTK+ 2.24.32; aarch64-unknown-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-SA-Exim-Connect-IP: 86.115.14.69 X-SA-Exim-Mail-From: jekarl@iki.fi X-SA-Exim-Scanned: No (on mail.kapsi.fi); SAEximRunCond expanded to false Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Hi On Fri, 16 Aug 2019 11:33:02 +0200 Stanislaw Gruszka wrote: > > > > After upgrading my ap running rt2800usb to linux-5.3-rc1 I > > > > noticed an unusual problem of not being able to connect to my > > > > ap with my android devices (nexus7/flo and nexus5x/bullhead), > > > > from tcpdump it seemed ap was receiving packets from the > > > > android devices after successful association, but android > > > > devices were not seeing the dhcp replies. > > > > > > > > I reverted drivers/net/wireless/ralink to the state it is in > > > > v5.2.8 and android clients can connect again normally. I did not > > > > explicitly set watchdog parameter to any value. > > > > > Most suspicious are 710e6cc1595e and 41a531ffa4c5 . > > > > It seems to me that reverting only > > 710e6cc1595e25378c4b9977f7a8b4ad4a72a109 > > allows all my android devices to successfully connect to the > > internet. > > Please test attached patch as proposed fix for > 710e6cc1595e25378c4b9977f7a8b4ad4a72a109 and report back. Thanks. After some testing it seems attached patch fixes the regression with no observed negative side effects. Thanks. Best Regards -Emil