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[107.215.223.229]) by smtp.gmail.com with ESMTPSA id i3-20020a05620a074300b006630cbe7ec0sm4526159qki.90.2022.03.02.07.26.09 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 02 Mar 2022 07:26:09 -0800 (PST) Content-Type: text/plain; charset=us-ascii 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 (Mac OS X Mail 15.0 \(3693.60.0.1.1\)) Subject: Re: problem with USB-CD drive From: Bakul Shah In-Reply-To: <197d435-6c4b-a60-4e6f-ea4ee515b8f4@puchar.net> Date: Wed, 2 Mar 2022 07:26:08 -0800 Cc: freebsd-hackers@freebsd.org Content-Transfer-Encoding: quoted-printable Message-Id: References: <197d435-6c4b-a60-4e6f-ea4ee515b8f4@puchar.net> To: Wojciech Puchar X-Mailer: Apple Mail (2.3693.60.0.1.1) X-Rspamd-Queue-Id: 4K7ycz1646z3FS0 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=iitbombay-org.20210112.gappssmtp.com header.s=20210112 header.b=f20eJ4DA; dmarc=none; spf=pass (mx1.freebsd.org: domain of bakul@iitbombay.org designates 2607:f8b0:4864:20::830 as permitted sender) smtp.mailfrom=bakul@iitbombay.org X-Spamd-Result: default: False [-3.00 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; R_DKIM_ALLOW(-0.20)[iitbombay-org.20210112.gappssmtp.com:s=20210112]; FREEFALL_USER(0.00)[bakul]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; MV_CASE(0.50)[]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-hackers@freebsd.org]; DMARC_NA(0.00)[iitbombay.org]; NEURAL_HAM_LONG(-1.00)[-1.000]; RCVD_COUNT_THREE(0.00)[3]; TO_MATCH_ENVRCPT_SOME(0.00)[]; DKIM_TRACE(0.00)[iitbombay-org.20210112.gappssmtp.com:+]; RCPT_COUNT_TWO(0.00)[2]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::830:from]; NEURAL_HAM_SHORT(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; MLMMJ_DEST(0.00)[freebsd-hackers]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; RCVD_TLS_ALL(0.00)[]; MID_RHS_MATCH_FROM(0.00)[] X-ThisMailContainsUnwantedMimeParts: N On Feb 21, 2022, at 2:44 AM, Wojciech Puchar wrote: >=20 > I wrote software for microcontroller with USB device port that = presents itself as USB CD and includes ISO9660 image. >=20 > It works under windows - "CD" is detected and files readable > it works under MacOS - same > It mostly works under FreeBSD. > There is no kernel messages. ... >=20 > How could i find out what is exactly a problem? >=20 Would usbdump(8) be of any help?=