Date: Tue, 17 Mar 2020 00:37:21 +0100 From: Claude Buisson <claude.buisson1@free.fr> To: freebsd-questions@freebsd.org Subject: Re: SD card formatting Message-ID: <8a95e209-52f1-6873-9500-9e1bdd826e18@free.fr> In-Reply-To: <b7070f0e-a387-9c7e-945f-ab708f9f5a76@dreamchaser.org> References: <b7070f0e-a387-9c7e-945f-ab708f9f5a76@dreamchaser.org>
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On 2020-03-15 22:39, Gary Aitken wrote:
> 11.3-RELEASE-p6 GENERIC amd64
>
> I'm having trouble reading SD cards formatted in my camera (Olympus
> EM1-MkII)
> or on a Win 7 system. When attempting to mount, I get the following:
>
> $ mount -t msdosfs /dev/da0s1 /mnt/memstick
> mount_msdosfs: /dev/da0s1: Invalid argument
> $ mount -t ntfs /dev/da0s1 /mnt/memstick
> mount: /dev/da0s1: Operation not supported by device
>
> Cards used without formatting *usually* seem to work.
>
> If I look at the cards which don't mount using gpart, I see:
>
> Card formatted in camera:
> $ gpart show -p /dev/da0
> => 63 120944577 da0 MBR (58G)
> 63 32705 - free - (16M)
> 32768 120911872 da0s1 ntfs [active] (58G)
> $ gpart show -r /dev/da0
> => 63 120944577 da0 MBR (58G)
> 63 32705 - free - (16M)
> 32768 120911872 1 7 [active] (58G)
>
> If I look at cards that I know I can mount I see the following:
>
> $ gpart show -p da0
> => 63 30375873 da0 MBR (14G)
> 63 8129 - free - (4.0M)
> 8192 15118336 da0s1 fat32lba (7.2G)
> 15126528 15249408 - free - (7.3G)
> $ gpart show -r /dev/da0
> => 63 30375873 da0 MBR (14G)
> 63 8129 - free - (4.0M)
> 8192 15118336 1 12 (7.2G)
> 15126528 15249408 - free - (7.3G)
>
> or:
>
> $ gpart show -p /dev/da0
> => 1 15633407 da0 MBR (7.5G)
> 1 31 - free - (16K)
> 32 15633376 da0s1 fat32 (7.5G)
> $ gpart show -r /dev/da0
> => 1 15633407 da0 MBR (7.5G)
> 1 31 - free - (16K)
> 32 15633376 1 11 (7.5G)
>
> I tried reformatting as follows:
>
> # gpart delete -i 1 da0
> da0s1 deleted
> # gpart add -i 1 -a 4M -t "\!11" da0
> da0s1 added
> # gpart show -r da0
> => 63 120944577 da0 MBR (58G)
> 63 8129 - free - (4.0M)
> 8192 120930304 1 11 (58G)
> 120938496 6144 - free - (3.0M)
> # newfs_msdos -F 32 /dev/da0s1
> /dev/da0s1: 120900736 sectors in 1889074 FAT32 clusters (32768
> bytes/cluster)
> BytesPerSec=512 SecPerClust=64 ResSectors=32 FATs=2 Media=0xf0
> SecPerTrack=63 Heads=255 HiddenSecs=0 HugeSectors=120930304
> FATsecs=14759 RootCluster=2 FSInfo=1 Backup=2
>
> If I put this card in the camera, I get an error ("Card Error")
> If I again format the card in the camera, I can't mount it.
>
> I need to reformat these cards so I can use them in the camera and on
> freebsd, and apparently neither the camera nor win7 does that, so...
> What's the right way to lay out, format, and create a file system on an
> SD card so it is usable by cameras and windoze?
>
> Thanks,
>
> Gary
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Your card with a capacity > 32GB must be formatted as exFAT
The partition type seen by gpart is the same as NTFS
man gpart
...
ntfs A partition that contains a NTFS or exFAT filesystem
see also Bug 244461
CBu
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