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[46.114.61.204]) by smtp.googlemail.com with ESMTPSA id cb15-20020a0564020b6f00b004576e3aee69sm2205532edb.4.2022.09.30.12.03.00 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Fri, 30 Sep 2022 12:03:00 -0700 (PDT) From: =?utf-8?Q?Klaus_K=C3=BCchemann?= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable List-Id: Porting FreeBSD to ARM processors List-Archive: https://lists.freebsd.org/archives/freebsd-arm List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-arm@freebsd.org Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3696.120.41.1.1\)) Subject: Re: u-boot debug, was: Re: U-boot on RPI3, sees disk but won't boot it Date: Fri, 30 Sep 2022 21:02:58 +0200 References: <6AA65AE6-41F1-405F-A592-7D641EA4C9CF@yahoo.com> <20220929054120.GA77803@www.zefox.net> <20220929151926.GA80020@www.zefox.net> <20220929170927.GB80020@www.zefox.net> <6C5019EC-B4A8-448F-9A85-4A98BC46F7DD@yahoo.com> <20220930002742.GA81169@www.zefox.net> <7A431698-1A8C-44BA-AFA2-EF5BAA69574F@googlemail.com> <924ED901-F9EB-4CFE-8376-1C2653FB6EBE@yahoo.com> <97AB11F6-2F4D-4026-8A96-50FC68B6EF8C@googlemail.com> <5F180C78-BC07-4605-A042-0BEC8A6FD185@googlemail.com> <8CE490A2-B512-4170-95BC-D0584F2B254A@yahoo.com> To: Mark Millard , bob prohaska , freebsd-arm@freebsd.org In-Reply-To: <8CE490A2-B512-4170-95BC-D0584F2B254A@yahoo.com> Message-Id: X-Mailer: Apple Mail (2.3696.120.41.1.1) X-Rspamd-Queue-Id: 4MfKPM0cmDz3Bw0 X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=googlemail.com header.s=20210112 header.b="SMjXjK/I"; dmarc=pass (policy=quarantine) header.from=googlemail.com; spf=pass (mx1.freebsd.org: domain of maciphone2@googlemail.com designates 2a00:1450:4864:20::634 as permitted sender) smtp.mailfrom=maciphone2@googlemail.com X-Spamd-Result: default: False [-3.50 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-1.00)[-1.000]; MV_CASE(0.50)[]; DMARC_POLICY_ALLOW(-0.50)[googlemail.com,quarantine]; R_DKIM_ALLOW(-0.20)[googlemail.com:s=20210112]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36]; MIME_GOOD(-0.10)[text/plain]; ARC_NA(0.00)[]; FROM_HAS_DN(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; DWL_DNSWL_NONE(0.00)[googlemail.com:dkim]; RCPT_COUNT_THREE(0.00)[3]; TO_MATCH_ENVRCPT_SOME(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[freebsd-arm@freebsd.org]; MID_RHS_MATCH_FROM(0.00)[]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; RCVD_IN_DNSWL_NONE(0.00)[2a00:1450:4864:20::634:from]; RCVD_COUNT_THREE(0.00)[3]; FREEMAIL_FROM(0.00)[googlemail.com]; TO_DN_SOME(0.00)[]; RCVD_TLS_LAST(0.00)[]; DKIM_TRACE(0.00)[googlemail.com:+]; FROM_EQ_ENVFROM(0.00)[]; FREEMAIL_TO(0.00)[yahoo.com,www.zefox.net,freebsd.org]; FREEMAIL_ENVFROM(0.00)[googlemail.com]; MIME_TRACE(0.00)[0:+]; MLMMJ_DEST(0.00)[freebsd-arm@freebsd.org] X-ThisMailContainsUnwantedMimeParts: N > Am 30.09.2022 um 20:36 schrieb Mark Millard : >=20 > Which "the"? The Hub in question is internal to the > RPi3B. It also shows up on my RPi3B with no external > hubs involved. (But I've never had the failure mode > occur.) >=20 > Manufacturer=20 > Product U-Boot Root Hub > SerialNumber=20 > bind node usb1@1 >=20 > It is a hub with 5 ports, one associated with the > EtherNet port and 4 for plugging things in. Or, > that is my understanding. :-), I started reading the discussion from the beginning because I = missed the Hub-manufacturer in the logs, Now I know it=E2=80=99s the internal, thanks for Info . I was absolutely sure from the beginning that this is a 3b-power-issue = (regulator or whatever)=E2=80=A6 I guess you also wrote that. Since my lowest model is 3b+, I never turned on any RPI during this = discussion. >=20 > I've little clue what would interfere with its > operation in this specific way. =46rom reading the logs we end up in line 377 of common/usb_hub.c : 'cannot reset port=E2=80=98 The comment beginning in line 305 indicates that perhaps more attempts = of a reset=20 could work around mysterious power or disconnect issues( although for = nVidia not rpi). So by guessing I would say, a code injection of reset retries could = perhaps help, I would ask a long year known USB-expert if it=E2=80=99s worth to try = hacking usb_hub.c=20 but it=E2=80=99s better not to call his name so loud again :-) =E2=80=A6 Regards Klaus