Date: Fri, 26 Nov 2021 17:43:43 -0500 From: Juan David Hurtado G <jdhurtado@orbiware.com> To: Mark Millard <marklmi@yahoo.com> Cc: Free BSD <freebsd-arm@freebsd.org> Subject: Re: 13.0-RELEASE Poor performance on Raspberry pi 3 B+ Message-ID: <CAL3Ut_Y9EhBx8tdvtFQBBF09Q_uo-mFbULn7XJFG5Q1GXKqOgQ@mail.gmail.com> In-Reply-To: <4D1EFC3E-2665-47B6-9A2F-09E7F22907D0@yahoo.com> References: <CAL3Ut_bFZhWKThHJsPaa%2BP0JXH6-=e3Pxv3xF3Y0u9dXpQ3kZQ@mail.gmail.com> <CAL3Ut_Y_BLbGM1WZ%2B8JbkSp9F=s9_xcWbFikLpcOufioxd1m_g@mail.gmail.com> <20211124155352.GA26072@www.zefox.net> <6CCD061E-DCDA-46E0-AE19-76EA1B30E56F@yahoo.com> <CAL3Ut_ZQO2WAvJuMqjpsQyCbyqmBVjMrqC%2BjXrid1ovWkpsUjA@mail.gmail.com> <69E3CEF1-87D0-405B-B132-7D6A6A4EA056@yahoo.com> <1229E940-5DAB-4D49-AB14-E804296D10BC@yahoo.com> <CAL3Ut_Y-S7GGmTfFApG5Vn9vkaMFDmMfWR23OSQyf=sCtVHqbg@mail.gmail.com> <B7B3B795-DC22-47C6-A42F-94588DDDDDBD@yahoo.com> <CAL3Ut_akBgXCc_hNHL%2BpPDzhp8CcMmcf4Jar5EUH1r6kmAz-rg@mail.gmail.com> <f4ee3ca1-869a-1f90-88b2-da494d7788a5@gmail.com> <CAL3Ut_bYST%2B8eOOy-7sDHo6HdFxnjRJaRccvi90Ac2=_jise-A@mail.gmail.com> <0D62833A-295A-4DC7-AC7D-7A86FA06F89B@yahoo.com> <4D1EFC3E-2665-47B6-9A2F-09E7F22907D0@yahoo.com>
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--00000000000069e2c605d1b8d34b Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Thank you Mark for the list ! A friend has evo and kingston, where are going to try them. El vie, 26 nov 2021 a las 15:40, Mark Millard (<marklmi@yahoo.com>) escribi=C3=B3: > On 2021-Nov-26, at 11:04, Mark Millard <marklmi@yahoo.com> wrote: > > > On 2021-Nov-26, at 10:35, Juan David Hurtado G <jdhurtado@orbiware.com> > wrote: > > > >> Thank you so much for your time you all. > >> > >> New microSD arrived today. It is a SanDisk Ultra, see this on the > Raspberry > >> pi 3B+: > >> > >> ``` > >> root@generic:~ # dmesg | grep -i mmc > >> mmc0: <MMC/SD bus> on sdhci_bcm0 > >> mmcsd0: 32GB <SDHC SD32G 8.5 SN A0169EA9 MFG 04/2021 by 3 SD> at mmc0 > >> 50.0MHz/4bit/65535-block > >> ``` > >> > >> 50 MHz !! What a relief. > >> > >> Other OS like RaspiOS and NetBSD runs well on the other cards, not sur= e > >> why. I still don't understand why sandisk is the only brand that works > for > >> FreeBSD apparently. > > > > I have non-sandisk microsd cards that work fine --and other sandisk > > models of microsd cards that also work. Mostly I use non-ultra sandisk > > ones as it turns out. > > Some of these are not intended as high performance for > the type of context and some may not perform as well > as others, even if intended is high performance. I'm > just listing ones that have historically seemed to > work okay in my use: > > Transcend High Endurance microSDHC > Kingston microSDHC I Industrial > Samsung EVO+ microSDHC I > Samsung EVO PLUS microSDXC I > SanDisk Extreme microSDHC I (A1) > SanDisk Extreme microSDXC I (A2) > SanDisk Extreme PLUS microSDXC I (A1) > SanDisk Ultra microSDHC I > SanDisk Ultra microSDXC I > SanDisk Ultra microSDXC I (A1) > > So far all of these have worked. None of them are > recent purchases. I've never observed a small > MHz figure for any of them, as far as I remember > anyway. > > I'm not claiming RPi* use of the fastest modes some > of the miscrosd cards are capable of. > > > But once I could boot via USB I no longer use microsd cards very > > often in the RPi*'s that can boot from USB without a microsd card > > involved. > > > >> I'm willing to give more information if needed or even to open a ticke= t > in > >> bugzilla if you find it useful. > > > > It does not seem that my direction of activity is > > relevant if it is media-type specific for the behavior. > > So I'll not be experimenting further with any RPi4B's > > (or otherwise). > > > > But if you make a bugzilla report, various things about > > your RPi* configurations that you have reported would be > > appropriate to include as context. > > > >> Have a great weekend !! > >> > >> PS: I've also bought the usb ttl cable if I can give any more > information > >> using the other card via serial console. > > > > There are various settings for getting more debug > > output on the serial console for the RPi* stages > > of things. Some go in the config.txt but one goes > > in the eeprom content. As stands it does not seem > > that such would have helped for the specific problem: > > The problem is later, after the RPi* eeprom and > > firmware stages. > > > > You may never need such, but at least you are forwarned > > about the possibility if you think it might help > > something in the future. > > > > > > > =3D=3D=3D > Mark Millard > marklmi at yahoo.com > ( dsl-only.net went > away in early 2018-Mar) > > --=20 Juan David Hurtado G (+57) 319 252 3773 www.orbiware.com --00000000000069e2c605d1b8d34b--
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