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Thu, 21 Jan 2021 17:07:48 +0000 Received: by smtp417.mail.bf1.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID fbd3e11bd848f4b9990151662ad53d73; Thu, 21 Jan 2021 17:07:44 +0000 (UTC) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.40.0.2.32\)) Subject: Re: FreeBSD on RPI4B: shows an incorrect value of RAM From: Mark Millard In-Reply-To: Date: Thu, 21 Jan 2021 09:07:42 -0800 Cc: freebsd-arm@freebsd.org Content-Transfer-Encoding: quoted-printable Message-Id: References: To: Oleg Ginzburg X-Mailer: Apple Mail (2.3654.40.0.2.32) X-Rspamd-Queue-Id: 4DM83B0pCyz4d30 X-Spamd-Bar: --- X-Spamd-Result: default: False [-3.50 / 15.00]; TO_DN_SOME(0.00)[]; FREEMAIL_FROM(0.00)[yahoo.com]; MV_CASE(0.50)[]; R_SPF_ALLOW(-0.20)[+ptr:yahoo.com]; DKIM_TRACE(0.00)[yahoo.com:+]; RCPT_COUNT_TWO(0.00)[2]; DMARC_POLICY_ALLOW(-0.50)[yahoo.com,reject]; NEURAL_HAM_SHORT(-1.00)[-1.000]; FROM_EQ_ENVFROM(0.00)[]; RCVD_TLS_LAST(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVFROM(0.00)[yahoo.com]; 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List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 21 Jan 2021 17:07:51 -0000 On 2021-Jan-21, at 02:00, Oleg Ginzburg via freebsd-arm wrote: >> The UEFI/ACPI ( RPI_EFI.fd ) means of booting has the UEFI defaults = being > to restrict to 3 GiByte of RAM. >=20 > Thanks Mark for the informative answer! > I disabled the option 'Limit RAM to 3 GB' and now my FreeBSD feels = good. >=20 > https://www.bsdstore.ru/trash/IMG_20210121_123742.jpg > https://www.bsdstore.ru/trash/IMG_20210121_124352.jpg [I presume that you have not patched FreeBSD to deal with what I reported about unreliable operation for > 3 GiByte RAM in use.] You have made a configuration for which FreeBSD is demonstrably unreliable: copying (duplicating) a sufficiently huge file and then comparing the two files will fail to find that they match. Small files can also have such problems but most will not. (Small files is how I first found the problem.) Expect failures from corrupt files to sometimes occur in the configuration you picked to use. > On Thu, Jan 21, 2021 at 1:25 AM Oleg Ginzburg = wrote: >=20 >> Hello maillist, >>=20 >> Recently became the owner of an RPI4-B board. Latest FreeBSD snapshot = ( >> = FreeBSD-13.0-CURRENT-arm64-aarch64-RPI-20210107-f2b794e1e90-255641.img ) >> boots successfully. However, for some reason, the system only sees = 3.1 >> gigabytes. >> This model has 8 GB of RAM. Any ideas? >>=20 >> https://www.bsdstore.ru/trash/IMG_20210121_000558.jpg >> https://www.bsdstore.ru/trash/IMG_20210120_224751.jpg >>=20 >> ps: booted from SD via RPI_EFI.fd ( >> https://github.com/pftf/RPi4/releases/tag/v1.22 ), config.txt: >>=20 >> disable_splash=3D1 >> arm_64bit=3D1 >> enable_uart=3D1 >> uart_2ndstage=3D1 >> enable_gic=3D1 >> armstub=3DRPI_EFI.fd >> #disable_commandline_tags=3D1 >> #disable_overscan=3D1 >> #device_tree_address=3D0x1f0000 >> #device_tree_end=3D0x200000 >> #dtoverlay=3Dminiuart-bt >>=20 >>=20 =3D=3D=3D Mark Millard marklmi at yahoo.com ( dsl-only.net went away in early 2018-Mar)