From nobody Sun Apr 24 09:58:00 2022 X-Original-To: freebsd-usb@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id BC2881996084; Sun, 24 Apr 2022 09:58:04 +0000 (UTC) (envelope-from hps@selasky.org) Received: from mail.turbocat.net (turbocat.net [88.99.82.50]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4KmNqw0gCXz3tjX; Sun, 24 Apr 2022 09:58:04 +0000 (UTC) (envelope-from hps@selasky.org) Received: from [10.36.2.165] (unknown [176.74.213.87]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by mail.turbocat.net (Postfix) with ESMTPSA id 203F326012D; Sun, 24 Apr 2022 11:58:03 +0200 (CEST) Message-ID: <1b0031a4-6934-e9d2-e782-e7c9c0293c71@selasky.org> Date: Sun, 24 Apr 2022 11:58:00 +0200 List-Id: FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-usb List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-usb@freebsd.org X-BeenThere: freebsd-usb@freebsd.org MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:91.0) Gecko/20100101 Thunderbird/91.8.0 Subject: Re: USB-OTG on BananaPi M1 Content-Language: en-US To: Peter Jeremy , freebsd-arm@freebsd.org, freebsd-usb@freebsd.org References: From: Hans Petter Selasky In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 4KmNqw0gCXz3tjX X-Spamd-Bar: / Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of hps@selasky.org designates 88.99.82.50 as permitted sender) smtp.mailfrom=hps@selasky.org X-Spamd-Result: default: False [-0.30 / 15.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; R_SPF_ALLOW(-0.20)[+a:mail.turbocat.net:c]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[selasky.org]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; TO_DN_SOME(0.00)[]; NEURAL_SPAM_SHORT(0.28)[0.279]; NEURAL_SPAM_LONG(0.72)[0.718]; MLMMJ_DEST(0.00)[freebsd-arm,freebsd-usb]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:24940, ipnet:88.99.0.0/16, country:DE]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[] X-ThisMailContainsUnwantedMimeParts: N On 4/24/22 03:31, Peter Jeremy wrote: > 11:02:59.641528 usbus0.2 DONE-CTRL-EP=00000000,SPD=HIGH,NFR=1,SLEN=8,IVAL=0,ERR=0 > frame[0] READ 8 bytes > 0000 A3 77 65 86 A3 77 65 86 -- -- -- -- -- -- -- -- |.we..we. | Hi, This byte sequence looks like garbage. It should be idential to that of the host side. If this happens after a while if means that the OTG FIFO size is incorrectly set, see this printout: > usbus0: Dynamic FIFO sizing detected, assuming 16Kbytes of FIFO RAM ^^^ try having a look in the driver where this comes from. Try setting 8Kbytes or 1KBytes. --HPS