From nobody Wed Mar 02 16:56:06 2022 X-Original-To: freebsd-hackers@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 4903C19F2C97 for ; Wed, 2 Mar 2022 16:56:40 +0000 (UTC) (envelope-from eugen@grosbein.net) Received: from hz.grosbein.net (hz.grosbein.net [IPv6:2a01:4f8:c2c:26d8::2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "hz.grosbein.net", Issuer "hz.grosbein.net" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4K80dM4FHGz4SdD for ; Wed, 2 Mar 2022 16:56:39 +0000 (UTC) (envelope-from eugen@grosbein.net) Received: from eg.sd.rdtc.ru (root@eg.sd.rdtc.ru [62.231.161.221] (may be forged)) by hz.grosbein.net (8.15.2/8.15.2) with ESMTPS id 222GubZO023659 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 2 Mar 2022 16:56:37 GMT (envelope-from eugen@grosbein.net) X-Envelope-From: eugen@grosbein.net X-Envelope-To: wojtek@puchar.net Received: from [10.58.0.11] ([10.58.0.11]) by eg.sd.rdtc.ru (8.16.1/8.16.1) with ESMTPS id 222GuBUS064060 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Wed, 2 Mar 2022 23:56:36 +0700 (+07) (envelope-from eugen@grosbein.net) Subject: Re: problem with USB-CD drive To: Wojciech Puchar , John-Mark Gurney References: <197d435-6c4b-a60-4e6f-ea4ee515b8f4@puchar.net> <20220302014925.GA88842@funkthat.com> <2de67fd5-40d9-55fc-18ea-671aa096bab5@puchar.net> Cc: freebsd-hackers@freebsd.org From: Eugene Grosbein Message-ID: Date: Wed, 2 Mar 2022 23:56:06 +0700 User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 List-Id: Technical discussions relating to FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-hackers List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-hackers@freebsd.org MIME-Version: 1.0 In-Reply-To: <2de67fd5-40d9-55fc-18ea-671aa096bab5@puchar.net> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED,SHORTCIRCUIT autolearn=disabled version=3.4.2 X-Spam-Report: * -0.0 SHORTCIRCUIT No description available. * -1.0 ALL_TRUSTED Passed through trusted hosts only via SMTP X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on hz.grosbein.net X-Rspamd-Queue-Id: 4K80dM4FHGz4SdD X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=fail (mx1.freebsd.org: domain of eugen@grosbein.net does not designate 2a01:4f8:c2c:26d8::2 as permitted sender) smtp.mailfrom=eugen@grosbein.net X-Spamd-Result: default: False [-2.08 / 15.00]; ARC_NA(0.00)[]; R_SPF_FAIL(1.00)[-all]; FREEFALL_USER(0.00)[eugen]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; TO_DN_SOME(0.00)[]; NEURAL_HAM_LONG(-1.00)[-0.997]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[grosbein.net]; NEURAL_HAM_MEDIUM(-0.98)[-0.982]; RCVD_COUNT_THREE(0.00)[3]; TO_MATCH_ENVRCPT_SOME(0.00)[]; NEURAL_HAM_SHORT(-1.00)[-1.000]; MLMMJ_DEST(0.00)[freebsd-hackers]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:24940, ipnet:2a01:4f8::/32, country:DE]; RCVD_TLS_ALL(0.00)[]; MID_RHS_MATCH_FROM(0.00)[] X-ThisMailContainsUnwantedMimeParts: N 02.03.2022 15:59, Wojciech Puchar wrote: >> Wojciech Puchar wrote this message on Mon, Feb 21, 2022 at 11:44 +0100: >>> I wrote software for microcontroller with USB device port that presents >>> itself as USB CD and includes ISO9660 image. >> >> Is this an ST micro? I have a couple outstanding issues where ST hasn't > > No it's PIC32. Nevertheless it does not matter - i wrote everything myself from scratch using only PIC32MX and USB documentation. > > I am almost sure i didn't implement some of SCSI commands properly so FreeBSD doesn't properly behave, while windows/MacOS doesn't care. > > The question is how to debug it on host side - what exactly is wrong. Use sysctl kern.cam.dflags to enable CAM-level debugging. Debugging flags are documented at in the file sys/cam/cam_debug.h