Questions tagged [sd-card]

A storage medium used in mobile devices like digital cameras, tablets, smartphones, ...

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Creating a loop device out of an SD card backup image results in a corrupt ext4 filesystem

I made a backup of my Raspberry Pi SD card. After creating a loop device out of the image, the ext4 filesystem seems to be corrupt although the original filesystem is OK. I've already tried different ...
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Corrupted SD card?

Good afternoon, I have a 32 GB SD card from SanDisk. But I can't do anything with it. If I delete files or add more, the card returns to the state it is in, with the files she have. I am using the ...
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Can't use/format SD card formatted as internal storage

I have a SanDisk Ultra 16 GB SD Card and formatted it as internal storage in my Nokia 2.1 (Android 9 - Not rooted). I can't use or format the sd card on my phone. When I choose to format it as ...
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how to see my SD-card peripherials?

I want to know the hardware that reads SD Cards. I don't have lspci, lsusb, nor internet access to download packages. System # uname -a Linux devuan-droid4 5.4.0 #1 SMP PREEMPT Sun Jan 12 19:38:...
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U-Boot Automatic Redundant Booting for BeagleBoneBlack

I would like to know how to properly set up redundant booting for my BBB with U-Boot. Basically, I'd like U-Boot to attempt to boot from a specific partition on my SD card and if it fails, I want it ...
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31 views

File order on FAT/FAT32/VFAT file systems

I have several audio devices (car radio, portable radio, MP3 player) that take SD cards and USB sticks with a FAT file system on it. Because these devices have limited intelligence they do not sort ...
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44 views

CentOS installer not detecting SD card / mmc

I created a CentOS 8 live USB stick in order to install CentOS on an Intel NUC. The target disk for the installation is a 32GB SD card which is plugged into the NUC. Unfortunately the installer does ...
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133 views

Mounting a virtual SD to /dev/mmcblk0

I have a compiled program that saves files to an SD card. In the system I'm developing there's no SD card. I need the output to be written to the disk. How can I mount a partition to act as it was an ...
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185 views

What is the best way to install KDE in Arch without installing all the KDE applications?

I want to avoid installing many of the KDE applications when I install KDE. So far I have been avoiding any of the meta packages related to KDE applications and simply installing only those ...
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Can the zerofree process be performed on SD-Card image file?

Ubuntu 16.04: A 64GB SD-Card image was created with the command: date; sudo sh -c 'pv /dev/mmcblk0 >rpi4_Ubuntu18.1_64GB.image'; date The rasbperry pi SD-Card is outfitted with Ubuntu 18.1 Can a ...
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zerofree validation: before and after measurement or visualization

zerofree reduces raspberry pi sd card images by writing zeros to free space. The zerofree process can be run from an Ubuntu PC directly on the SD card: apt-get install zerofree umount /dev/sdc1 ...
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Minimal SD Card image

If the command to replicate an SD card: date; sudo sh -c 'pv /dev/mmcblk0 >pv sdcard.image'; date images a fresh install of Raspbian sitting on a 128GB SD-Card, then sdcard.image file will be ...
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U-BOOT failed to boot kernel on nitrogen6x

I have a nitrogen6 SOM v2 board with latest U-Boot version (U-Boot 2018.07-36085-g7f2aeb258c (Jan 24 2020 - 11:35:14 -0800), Build: jenkins-uboot_v2018.07-139) and i have problem with booting any ...
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Lenovo X390 - SD Card Reader, reading is very slow and writing is freezing

I have an Lenovo Campus Thinkpad X390 20Q1S02M00 with Linux Mint Cinnamon 19.3. Since version 19.3 my SD card reader is actually detected (it was not detected before, see this thread. I tried both a ...
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Why is mount mounting the directory to /dev/loop0 instead of the device? Can't write all my files to the directory as a result (since it's too small)

I want to write about 38 MB of files to a partition that is 100 MB large. However, when I mount that partition to the directory, it mounts to /dev/loop0 instead of /dev/sdc1 (in my example). This ...
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Clone partitions and content of an SD card onto another one [duplicate]

Let's assume that I have an SD card with different partitions and files or filesystems on them and I want to reproduce it on another non-partitioned SD card (the new card will be of the same size). Is ...
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How do I make an ISO from a working SD card?

I have this frankenstein Linux, that works on a specific device that multiple people use in a forum. I have found a way to improve upon the work of someone on the forum, who shared his ISO, and want ...
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SD Card Bootable ASUS Eee PC not saving files, configuration or Installed program

I used my Dell Inspiron laptop running Windows 10 Home and rufus-3.8 (create bootable USB) software, created a bootable Linux Mint SD card for Asus Eee PC 900 series. Now Aus Eee PC is booting fine ...
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Replicating an SD card to a larger SD card

In a previous posting, the Replication of a Raspberry pi SD Card is performed on an identical target SD card. If the goal is to replicate to a larger SD card with the same procedure: If the source ...
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How to get SD memory card reader to work on Thinkpad X1 20FB?

I have a 4th Gen Thinkpad X1 Carbon (Model 20FB) running Debian 10. There is a memory card slot in the back, but it doesn't seem to work. I'm guessing the drivers are missing. I tried searching online ...
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264 views

Using the DD command, Linux

I want to use dd to clone my running Linux OS which is installed on a PI4 MicroSD 64GB media, to an image. Because it is a Raspberry PI I cannot (easily) boot from a USB stick and run the job with ...
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unmount SD card makes file checksum change

I have an SD card mounted by Lubuntu at /media/$USERNAME/COREELEC/ I need to copy a file from one directory to another and rename it. However if I check the md5sum (or sha512sum) after I unmount it ...
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Error reading detecting sdcard partitions

The output of lsblk is the following NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT mmcblk0 179:0 0 59.6G 0 disk -- this is the device I want to mount nvme0n1 259:0 0 238....
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SD card image creation for RPi with U-Boot and redundant U-Boot environment in MMC

I'm fairly new to embedded linux and I'm currently working on a device using a Raspberry Pi 3B+. The OS is built using Buildroot and the device can be upgraded with a double-copy strategy using ...
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169 views

SD card reader not detected by Linux kernel 5.3

My laptop's SD card reader is recognized by Linux (OpenSUSE Tumbleweed) as "RTS525A PCI Express Card Reader", yet it is not visible by the system when I insert an SD card (tried it with SD cards of ...
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OS confusing eMMC device for SD card device - how to fix using udev

Busybox Linux running on an ARM Cortex A7 processor from NXP. The board has an SD card slot and also an eMMC chip that can be used for storage. The device is booting from nor flash. Strangely, when ...
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LENOVO CAMPUS THINKPAD X390 - microSD slot not working on Linux Mint 19.2 Cinnamon

I recently bought a LENOVO CAMPUS THINKPAD X390 - 20Q1S02M00; it has a tray for a Nano SIM and microSD on the back. I run Linux Mint 19.2 Cinnamon on this machine. system info outputs this. dmesg ...
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49 views

Flashing an SD-card using the tsv descriptor file

ST uses a tsv file to describe the content of an sd-card. For example: #Opt Id Name Type IP Offset Binary - 0x01 fsbl1-boot Binary none 0x0 tf-a-...
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Sdcard readable but not readable on my computer… but readable from my camera

I have an Sdcard that I use in a camera. From the camera, I can take pictures, remove files... But from my computer (debian unstable) I can only read, but not write. Note that this strange things ...
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SD card appears and dissapear after inserting it

I have a 16GB Kingston SDHC from a Canon SX40 that seems to be corrupted or has a hardware failure. Camera shows only a few photos and videos (and something that camera says it can't read). But there'...
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33 views

SD card unreliable under Linux?

I am having heavy (and repeatable) problems with writing SD cards under Linux. Background: I'm working on an embedded system using an SD card for it's root fs. Often I see fsck errors. I thought we ...
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Failed to open “SL64G”. Can't mount file

So, I am using a Chromebook CB515-1H. I have inserted a MicroSD and it shows it as 64GB Volume for a split second in files then disappears. I tried to go to computer:///SL64G.drive and then i get the "...
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/etc/fstab mounting with auto buffer flushing

My /etc/fstab line for the SD I'm willing to mount looks like: /dev/mmcblk1 /media/sd_card vfat user,rw,umask=000,sync 0 2 With this line I'm able to mount the SD, but everytime I want to ...
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310 views

How can I change the permissions on a usb flash drive?

My sd card in my usb card reader will not allow me to add files while in ext4. I checked permissions and it's in root. I'm hoping if I change the permissions to non-root, it will let me add files. ...
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240 views

Kensington SD I/O Read Error, not recognised on Ubuntu 19.04?

I have two Kensington SD cards that will not be recognised on my ubuntu 19.04 OS. They are definitely working though, when I plug them into my windows 10 computer they register. I also have an old ...
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424 views

SD card not showing up under /dev

I'm trying to mount a 2gb Kingston SD card on a Lenovo ThinkPad t420s running Arch Gnu/Linux with kernel version 5.2.6. It has a removable SD card reader connected with an ExpressCard slot. I've ...
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159 views

Shell script to partition an SD card

I am quite new to Unix/Linux. I am trying to write a bash script which will format and partition an SD card to have the exact layout with 7 partitions as shown below. I've had a look at sfdisk, but ...
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92 views

SD Card not detected for installation?

I wanted to install arch linux to a micro sd card that is in my laptop but when I went to choose a partition my hard drive and usb with the iso were the only partitions found. I tried this again with ...
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SD card mount Problem “ext4” -o “uhelper=udisks2,nodev,nosuid” “/dev/mmcblk0p2”

I was extracting one tar.xz file via my Raspberry SD card, so the process must be completed after a long time but when I wanted to unmount the SD card I get one error which one other program (the ...
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3answers
89 views

Writing to 2 SD cards at the same time

I would like to write an image at two SD cards at the same time. I envision at least two concurrent writing scenarios: Is it possible to write the image with a tee or similar bifurcating mechanism? ...
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2answers
26 views

Duplicating SD Cards: file system

As a followup to Replicating an SD card: If using the commands dd or `cat' as prescribed in the responses, does this remove the need to format the SD card?
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Measuring SD card read / write rates [duplicate]

I would like to compare the performance of the Targus USB SD device vs the laptop's SD card slot. An older Ubuntu laptop with an SD card slot is outfitted with an SD card slot. A Targus USB SD card ...
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294 views

dd: failed to open '/dev/mmcblk0p': No such file or directory in Raspberry SD Card backuping

I am trying to backup of my raspberry Zero SD card by this instruction, i also mention that my raspberry zero have connected to my PC (Linux LDME) by USB OTG port and using Pi Power supply both ...
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Is dd on OS X the same as the UNIX version?

Although I considered asking this question in apple.stackexchange, my gut tells me the 'NIX crowd is more likely to produce a better response. In what ways is the dd (OS X version) command any ...
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Replicating an SD card

BACKGROUND An SD card has been configured for a Raspberry pi. The goal is to replicate the SD card exactly (OS, apps, data) so that the replica will function in a rPi exactly like the original \ ...
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43 views

How to flash code from external SD card to internal memory and boot the image? [closed]

With the ELB-REV4 board, which has both internal memory and an SD card slot, once my application works fine, I need to boot using an image on the external SD card image. I want to flash the complete ...
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184 views

Mint 19 - USB MicroSD not mounting [closed]

lsusb in Mint 19 shows the MicroSD device in a USB adapter when I attach it. It also shows up in "Disks" application, but with limited information (no capacity, no option for formatting, etc). Device ...
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40 views

clonezilla sd card

I am seeking to clone a raspberry pi micro-sd card to an identical micro-sd card. Questions: Is there any reason why this can not be done with clonezilla? If cloning is possible, are there any ...
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182 views

How to Mount an NTFS Formatted SD Card with pmount (or other tool)?

I wrote a script which transfers automatically pictures from the SD card (taken with a digital camera) to the harddrive and takes care of putting them in a subdirectory in the main pictures folder and ...
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Raspbian: Can't see newly created file in /boot on sd card

I am trying to copy a file from the boot directory for a rasbian image in it's boot directory. I would like to write once to the sd card and not have to run rasbian for the file to be in the /home/pi ...

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