From owner-freebsd-hackers@freebsd.org Wed Jan 15 13:47:08 2020 Return-Path: Delivered-To: freebsd-hackers@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 4BF7E1F40CF for ; Wed, 15 Jan 2020 13:47:08 +0000 (UTC) (envelope-from wojtek@puchar.net) Received: from puchar.net (puchar.net [194.1.144.90]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 47yTCH0MVXz4WHS for ; Wed, 15 Jan 2020 13:47:06 +0000 (UTC) (envelope-from wojtek@puchar.net) Received: Received: from 127.0.0.1 (localhost [127.0.0.1]) by puchar.net (8.15.2/8.15.2) with ESMTPS id 00FDl1Ge030576 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Wed, 15 Jan 2020 14:47:01 +0100 (CET) (envelope-from puchar-wojtek@puchar.net) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=puchar.net; s=default; t=1579096021; bh=CrjoLfKVgCy0SN6eurpk7JeJSRc83qBWcqd9z7VQlpE=; h=Date:From:To:cc:Subject:In-Reply-To:References; b=sscXBhA5AXa7rg5Cj3nmkATu7Zc4IVADzw/psez2hIqbI2VNtQT/5Tjo/c9U323RO 3Hv9qi6SAp8OHQGSCuHwCjXqbOiZELfFefdoV/l4lx13dg8FFl9pvQYRgzKaOKVf0t ud5e10tAzjcVaAiUvyMkrH/DfxKVZq9HyZKWLf1I= Received: from localhost (puchar-wojtek@localhost) by puchar.net (8.15.2/8.15.2/Submit) with ESMTP id 00FDl0jf030571; Wed, 15 Jan 2020 14:47:01 +0100 (CET) (envelope-from puchar-wojtek@puchar.net) Date: Wed, 15 Jan 2020 14:47:00 +0100 (CET) From: Wojciech Puchar To: Hans Petter Selasky cc: Wojciech Puchar , freebsd-hackers@freebsd.org Subject: Re: raspberry pi zero and SLOW USB HID In-Reply-To: <15d1ed37-a5d4-ed28-beeb-a4b248b5e802@selasky.org> Message-ID: References: <9f8ae63f-abe5-27d9-e6bf-3d0cc1d3d4f3@selasky.org> <9a1a3901-ce03-d445-dd9e-bbd775f5288a@selasky.org> <83126787-192b-5f1b-305c-f48818706b0c@selasky.org> <15d1ed37-a5d4-ed28-beeb-a4b248b5e802@selasky.org> User-Agent: Alpine 2.20 (BSF 67 2015-01-07) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed X-Rspamd-Queue-Id: 47yTCH0MVXz4WHS X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; dkim=fail (rsa verify failed) header.d=puchar.net header.s=default header.b=sscXBhA5; dmarc=none; spf=pass (mx1.freebsd.org: domain of wojtek@puchar.net designates 194.1.144.90 as permitted sender) smtp.mailfrom=wojtek@puchar.net X-Spamd-Result: default: False [-4.01 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.98)[-0.979,0]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; R_SPF_ALLOW(-0.20)[+mx]; R_DKIM_REJECT(1.00)[puchar.net:s=default]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[puchar.net]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; TO_DN_SOME(0.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; DKIM_TRACE(0.00)[puchar.net:-]; RCVD_IN_DNSWL_NONE(0.00)[90.144.1.194.list.dnswl.org : 127.0.10.0]; IP_SCORE(-2.73)[ip: (-7.23), ipnet: 194.1.144.0/24(-3.62), asn: 43476(-2.89), country: PL(0.07)]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:43476, ipnet:194.1.144.0/24, country:PL]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_COUNT_TWO(0.00)[2] X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 15 Jan 2020 13:47:08 -0000 >> Then i've tried linux (truly horrific experience) on raspberry pi. >> Exactly the same delays on USB. > > It might be something in the DWC OTG chipset then :-( yes. seems so. i already made a change in device side to use 64 byte blocks and it is fine. thank you very much for all help.