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Cannot read files from SD card which works fine under windows (gehirneimer.de)

submitted 1 year ago* (last edited 1 year ago) by [email protected] to c/[email protected]

55 comments fedilink hide all child comments

I have a SanDisk 256GB extreme pro SD card for my camera. It works perfectly fine with the camera and with windows, but when I instert it into the card reader on linux (fedora 38) I can't copy any files from it:

cp: Fehler beim Lesen von '.../DCIM/112_FUJI/DSCF2001.RAF': Eingabe-/Ausgabefehler

Loosely translated:

cp: error while reading from '.../DCIM//112_FUJI/DSCF2001.RAF': input/output error

the card is automatically mounted and shows up in the file explorer.

The fdisk command return this:

Festplatte /dev/sdg1: 238,27 GiB, 255835766784 Bytes, 499679232 Sektoren
Einheiten: Sektoren von 1 * 512 = 512 Bytes
Sektorgröße (logisch/physikalisch): 512 Bytes / 512 Bytes
E/A-Größe (minimal/optimal): 512 Bytes / 512 Bytes
Festplattenbezeichnungstyp: dos
Festplattenbezeichner: 0xf4f4f4f4

Gerät       Boot     Anfang       Ende   Sektoren Größe Kn Typ
/dev/sdg1p1      4109694196 8219388391 4109694196  1,9T f4 SpeedStor
/dev/sdg1p2      4109694196 8219388391 4109694196  1,9T f4 SpeedStor
/dev/sdg1p3      4109694196 8219388391 4109694196  1,9T f4 SpeedStor
/dev/sdg1p4      4109694196 8219388391 4109694196  1,9T f4 SpeedStor

I tried following this: https://www.reddit.com/r/raspberry_pi/comments/habv0q/fixing_linux_sd_card_reader_issues_inputoutput/
but it didn't change anything

Does anyone have any idea?

EDIT:
I used the wrong fdisk command. I used /dev/sdg1 as opposed to /dev/sdg which is the actual drive. Here is the output of fdisk -l /dev/sdg:

Festplatte /dev/sdg: 238,3 GiB, 255869321216 Bytes, 499744768 Sektoren
Festplattenmodell: STORAGE DEVICE  
Einheiten: Sektoren von 1 * 512 = 512 Bytes
Sektorgröße (logisch/physikalisch): 512 Bytes / 512 Bytes
E/A-Größe (minimal/optimal): 512 Bytes / 512 Bytes
Festplattenbezeichnungstyp: dos
Festplattenbezeichner: 0x00000000

Gerät      Boot Anfang      Ende  Sektoren  Größe Kn Typ
/dev/sdg1  *     65536 499744767 499679232 238,3G  7 HPFS/NTFS/exFAT

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[–] [email protected] 2 points 1 year ago (1 children)

If the card was in NTFS, then Linux may not deal with it correctly, whereas windows is fine with both NTFS and fat.

[–] [email protected] 1 points 1 year ago (1 children)

How can I check how it is formatted? I highly doubt that a camera formats an sd card in NTFS....

[–] [email protected] 1 points 1 year ago (1 children)

@BentiGorlich @dueuwuje try fdisk -l

[–] [email protected] 2 points 1 year ago (1 children)

Gerät      Boot Anfang      Ende  Sektoren  Größe Kn Typ
/dev/sdg1  *     65536 499744767 499679232 238,3G  7 HPFS/NTFS/exFAT

It has 3 different formattings?

[–] [email protected] 2 points 1 year ago (1 children)

That is just the partition type in the partition table (based on a number stored there).

Where did you find this information btw? It seems to be more sensible than the partition table in your main post.

[–] [email protected] 2 points 1 year ago (1 children)

The information in my main post is the output of fdisk /dev/sdg1 -l
And the information in this post is from fdisk -l

[–] [email protected] 2 points 1 year ago* (last edited 1 year ago)

So presumably this is the output of fdisk -l /dev/sdg which makes more sense than fdisk -l /dev/sdg1 since the latter is the name of the first partition.