Date: Sat, 30 Oct 2021 14:35:53 -0700 From: bob prohaska <fbsd@www.zefox.net> To: marklmi@yahoo.com Cc: Free BSD <freebsd-arm@freebsd.org> Subject: Re: Troubles booting Pi2 from USB using bootcode.bin method Message-ID: <20211030213553.GA25712@www.zefox.net> In-Reply-To: <086D6998-A96F-4560-92C5-4E2CE05FF668@yahoo.com> References: <41C0A656-D898-4381-BB81-034D54CA04A0@yahoo.com> <02806205-6685-41FD-B2D1-415C82FBCF92@yahoo.com> <C99139A0-09A9-4A5E-AB53-719E07C16A22@yahoo.com> <20211028191635.GA19540@www.zefox.net> <7AC0733A-3FC9-4FA6-A6D7-0689A8ACB4CA@yahoo.com> <D8DC329F-DFE4-4542-AA4D-87C41A50C8A4@yahoo.com> <20211029182430.GA22414@www.zefox.net> <F1FDAFBC-5CC7-41D0-BC62-9B7AFBC037DD@yahoo.com> <B723533A-A8DD-4F20-A3F0-BAE4D675A304@yahoo.com> <086D6998-A96F-4560-92C5-4E2CE05FF668@yahoo.com>
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On Sat, Oct 30, 2021 at 01:41:52AM -0700, Mark Millard via freebsd-arm wrote: > >> > >> Yep: it picks one. Swapping or moving which ports are used > >> may change which one is used when both are connected. > >> It appears that choice of USB hub ports makes a difference. At least sometimes, connecting the USB3 drive to the hub port formerly occupied by the USB2 drive results in a hands- off boot. Unfortunately, not always. Interrupting u-boot and issuing a usb reset command or two generally finds the USB3 drive, which can then be booted explicitly. I've captured one failure session at http://www.zefox.net/~fbsd/rpi2/bootproblems/bootlog-usb3-solo.fail but cannot reliably reproduce it. When the console offers the U-Boot> prompt, is that coming from bootcode.bin, or something else? Could anything be learned from trying to boot the armv7-configured disk on a Pi3B or B+ ? That's a relatively easy experiment. I'm trying to use a rather old Pi with a comparatively new USB drive. The Pi3s on hand are at least somewhat more modern. Thanks for reading, bob prohaska
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