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linux: Class10 SD card different device and block device size

A have a brand new 16GB class 10 SD card and produce a very strange behavior. After I attached the the card with an USB SD-Card reader, the device appeared as /dev/sdb. I tried to copy a 2GB raw image ...
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13 views

debian/ can't read raspi sd

I'm facing serious issues here, with a fully functioning SD card containing Raspbian (created dding the image into the sd) not being read by Debian. My /dev shows the drive as sdb but, where other SDs ...
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1answer
47 views

Running dd. Why resource is busy?

I just formatted microSD card, and would like to run a dd command. Unfortunately dd command fails: $ sudo dd bs=1m if=2016-02-26-raspbian-jessie-lite.img of=/dev/rdisk2 dd: /dev/rdisk2: Resource busy ...
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1answer
28 views

Get paths to all sd cards in a computer using GNU bash 4.3.11 running Ubuntu 14.04

how can I get the paths to all sd cards in a computer using GNU bash 4.3.11 running Ubuntu 14.04 and just those? Background: I have an .iso-file and want to create a bash script that asks the user ...
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2answers
27 views

Using a separate partition for installed software

I know this question was asked on google a few times here and there but everywhere so far people just tell how it works on Linux and I've learned that already, so you don't have to tell me how ...
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1answer
70 views

Single SD card install for Debian Jessie on Armv7 architecture?

I'm pretty new to this whole deal. I have an Odroid C1. I recently created a home-server from an old i386 machine I had lying around. I'm starting to get into CLI OS and working with machines as ...
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1answer
51 views

Portable linux with disk-encryption: Which type of storage is better? SD-CARD or USB-STICK

So, as stated above, I mainly address some people, which may have made some experience with a portable os and various storage-types. As we know, the good old HDD are the most durable types of disks. ...
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1answer
85 views

How do I mount an external SD card without using sudo?

I wrote a bash-script with the intention to back up a specific (truecrypt-)file onto a SD-card (and a folder shared over the cloud) using the rsync command. The problem was that the SD-card usually ...
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1answer
53 views

Wear leveling of SD card because of swap file in embedded linux

I need to enable a swap file on my embedded linux product. The problem is that the file is located on an SD card. At the moment I'm using 15MB swap and about 120MB RAM because of temporary increases ...
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1answer
301 views

RTS5129 Card Reader with Ubuntu 15.10

I recently bought a notebook, it's an Acer Aspire VN7-571G and it has an integrated SD Card reader. I've never used it since I bought it but I noticed today that by inserting an SD Card into the ...
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2answers
20 views

Load system from SD Card into Memory and then Boot from Memory

I've seen several answers where there are hints at creating a partition in memory, copying the contents of a SD Card into that partition and then booting an operating system (linux) from that memory ...
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21 views

How to recover data from an SD card with incorrectly detected size?

How can I recover a SD card with incorrectly reported size? (The answer to this question is not given in How to recover data from a bad SD card? ) This question is specific to recovering an SD card ...
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1answer
62 views

Don't know if fsck failed or not

I just ran fsck on my newly bought SD card for my Raspberry Pi and it shows the following output: fsck from util-linux 2.25.2 fsck.fat 3.0.27 (2014-11-12) /dev/mmcblk0p1: 75 files, 2539/7673 clusters ...
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0answers
97 views

How can one determine whether an internal SD card reader is connected to internal USB3 hub?

I have a Dell Chromebook 11, which has two external USB3 ports, and an SD card reader. I am trying to establish whether buying a fast SD card would be worth it, compared to a fast USB stick, as a ...
4
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1answer
418 views

Formatting an sdcard with mkfs hangs indefinitely

I am trying to format an sdcard following this guide. I am able to successfully create the partition table, but attempting to format the Linux partition with mkfs yields the following output: mke2fs ...
1
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1answer
35 views

destroyed folder now without directory attribute

I tried to read some videos from the memory card of my digital camera. It wasn't possible to access the DCMI Folder, because there was no directory attribute. The expecting DCIM folder was a 0-byte ...
5
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1answer
126 views

card reading killing my battery, on macbook pro running Debian

I am currently using a macbook pro but the operating system is debian 8.2 not os x I am using a macbook pro but there's this one device that's just draining a lot of power. This USB device: Card ...
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0answers
37 views

SD card troubles

I have an SD card that I keep switching from phone to laptop to tablet, rinse and repeat. Last night it stopped mounting on phone/tablet. And on my laptop it shows as 5.7GiB unallocated instead of ...
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21 views

fsync () get the impact of road /proc/sys/vm/drop_caches?

I have been testing the service life of TLC(1000write) SD card (4GB). SD card has been formatted with a fat partition. I am a write (), fsync () on a file of 10M SD card repeatedly. 1st (10M): ...
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1answer
39 views

Cannot reformat Micro SD Card

I need to reformat my micro SD card, however I am having some issues with it. When I go the card on my computer, it displays the following message: The folder contents could not be displayed ...
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0answers
144 views

SD Card not recognized

I have 2 laptops with Linux Mint 17.2 installed. One recognized SD card without any configuration. Other recognized SD card, but don't read this content. This message appears in GParted: Can't ...
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2answers
33 views

converting partition on the SD card to FAT

I created partitions on the SD card with: sudo mkfs -t vfat -n ZED_BOOT /dev/sdb1 sudo mkfs -t ext4 -L ROOT_FS /dev/sdb2 The consule shows the commands went through ok, but when I report the ...
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1answer
82 views

Embedded linux hotplug changed mount point

I have a linux media player that was very common before android's age. It is a MIPS running Linux Venus 2.6.12.6 and has 2 sata, 2 usb and 1 sdcard port. Since the flash memory is very limited, I ...
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107 views

Unable to access SD card on Debian Stretch

I can't access my SD card, not via the internal SD card reader of my laptop, nor via an external SD card reader. I tried to use dmesg to find the cause of the issue, but when I attach the SD card to ...
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2answers
305 views

Stress (write) Test an SD card to destruction using a simple shell script

I would like to find out how many write cycles I can get from my SD card. I have googled and found good answers like this but its too complicated for a normal person like me. Say its a 64GB exfat ...
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1answer
123 views

Installing Debian 8 (Jessie) from HDD Partition

I tried to install Debian 8 (Jessie) with the official DVD 1 from my Card Reader (SDHC UHS-I Card 32GB). Now that does not work, because I am unable to mount it (no signal at all). Now I want to know ...
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2answers
2k views

How to fix this I/O error on SD card?

EDIT: I tried with gparted, it didnt work. i found a SDFormatter, tool for windows that did the full erase. I have a SD card and want to install debian onto it. The dd process takes about 45 ...
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0answers
132 views

How to automatically mount Android device sd card in Linux mint

Debian 8 iso hybrid is mounting android device (lenovo k3note) sd card automatically. But Linux mint 17.2 doesn't do so. How to mount Android device sd card automatically in Linux mint?
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3answers
75 views

Installing Linux on an SD card

I was wondering if it was possible to actually install a Linux distribution on an SD card or any other external drive. What I was planning to do was basically inserting the SD in my MacBook, turning ...
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2answers
1k views

Cannot format a corrupted 32Gb SD card

I cannot format a corrupted Sandisk SDHC ULTRA 32Gb micro card. So I used gparted in an Ubuntu system. I deleted the partition (/dev/sdf1), recreated it and formatted it in fat32. It still keeps its ...
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0answers
101 views

Detect when sdcard removed

I'm working with a small Arm board (Emtrion) running Debian Linux. Emtrion has provided an sdcard image that can update the boards flash. I would like to extend the simple update script, so that when ...
0
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1answer
83 views

Does Gparted change permissions?

Sometimes but not often, but many times, after formatting an SD card with Gparted, the SD card becomes unaccessible to normal user, so I go as root and change the permissions, happens especially when ...
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1answer
1k views

/dev/mmcblk0 partitions limit

I've just mounted a microSD card which has 17 partitions in my laptop and I'm getting the following error in the YaST partitioner: Your disk /dev/mmcblk0 contains 17 partitions. The maximum number of ...
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0answers
68 views

SD card protected area

The Wikipedia article on SD cards mentions that about 10% of the capacity of an SD card is a so-called protected area, which is used for the security-related features of the card. Let's say I don't ...
0
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1answer
460 views

How to mount btrfs partition?

I've installed xbian distro on RPi. I want to edit the files in my SD card using my computer, Ubuntu 14.04. However, when I insert the SD card, the Ubuntu cannot mount the Xbian partition, and gives ...
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2answers
342 views

SD-Card doesn't work anymore

I have a SD-Card and it doesn't work anymore. If I enter dmesg, this console will show this: [ 646.467407] mmc0: new SD card at address d555 [ 646.468578] mmcblk0: mmc0:d555 SD032 30.6 MiB [ ...
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0answers
255 views

WIFI over SDIO over USB - Do I have to reflect that in the device tree?

I am currently extending an embedded hardware platform which runs a linux kernel 3.16. I want to connect an external SDIO controller to the USB bus, and then run a WIFI module using that SDIO ...
1
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1answer
104 views

OSX: MBP: How does system detect sd card inserted?

I have a MacBookPro running Mavericks. I can insert one sd card into the slot and it mounts just fine. Another sd card I slip in and nothing happens. It does not appear in disk utility. It does ...
0
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1answer
261 views

How to repair an overclocked microsdcard?

I overclocked my raspberry pi 2 myself yesterday. However I also increased the sd_freq. Now after a reboot my microsdcard is mounted as read only. I have a laptop with linux installed where I can ...
2
votes
2answers
108 views

How to mount a filesystem by 2 operating systems simultaneously?

I was wondering, is it possible to have my Raspberry Pi mount the SD that is also mounted by an digital camera? I have a scenario where I take pictures relatively fast (Raspberry Pi triggers the ...
1
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0answers
76 views

ETX4-fs error on startup

Hi everybody, today I run dmesg and at the bottom I found some error lines about the device mmcblk0p2. Everything works fine even with those errors but I'd like to understand the problem. I've ...
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3answers
692 views

My SD card has a partition but Linux doesn't create a device entry for the partition

OK, I don't know what's going on here, at first I thought it was a problem I remember having some time ago where I couldn't mount a vfat partition because it had some flag set that it had not been ...
5
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1answer
871 views

Finding a unique identifier for SD cards

I have dozens of SD cards that I need to keep track of for a project. Right now, they each have a number physically written with permanent marker on the outside. This is OK, but I want to see if there ...
1
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1answer
1k views

Problem mounting mmcblk

I'm using Lubuntu 14.04 on a Vaio laptop. When I insert my card it is not automatically mounted. I need to remove and insert around 3 or 4 times until the file manager opens. So I'm trying to mount ...
0
votes
1answer
239 views

Jessie RC2 installation on SDHC card

I am trying to install Debian Jessie RC2 (netinst) on a SD card on my laptop (thinkpad t440p). When the hd partition stuff step comes I select manual partition. Unfortunately only the USB (from which ...
2
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1answer
1k views

arch linux, x220, sd card reader

I'm running ArchLinux on a Thinkpad X220. The laptop has a built-in SD/MMC card reader. When inserting SD cards, no card is detected, nothing is logged to dmesg. The reader is listed in lshw as ...
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1answer
98 views

Need help creating a Live SD card

I'm having a bit of of a nightmare. I'm trying to create a bootable SD with Arch on it after failing miserably earlier today in VirtualBox fdisk output : Disk /dev/mmcblk0: 32.0 GB, 32010928128 ...
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2answers
340 views

Why does my SD card need authentication to access?

I'm running Ubuntu 14.04 on a Toshiba Chromebook 2 via crouton. I recently reformatted a 256GB SD card that I keep in my chromebook at all times. My problem is that every time I try to access my SD ...
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2answers
1k views

How to create a new partitioning table on SD card from the command line ? [closed]

I have tried to mount a SD card on Linux Mint, I have found the right device file and tried: mount -t vfat /dev/sdb /mnt/zauberportal ,but it failed and I tried some variations like different types of ...
3
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1answer
141 views

Writing to exfat doesn't persist between mounts?

I... Bought a microSD card to store music on, for my Samsung Galaxy S4. Inserted it into the S4 and formatted the card (exFat). Installed fuse-exfat and exfat-utils and inserted the card into my ...