SD's, fsck, dmesg, freezing, and the Corrupt FAT-fs Post: 302992013

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Operating Systems Linux Fedora SD's, fsck, dmesg, freezing, and the Corrupt FAT-fs Post 302992013 by Beta_OmegaAdinf on Monday 20th of February 2017 03:11:08 PM

02-20-2017

Registered User

SD's, fsck, dmesg, freezing, and the Corrupt FAT-fs

Up until today I haven't had a problem using an SD card with Fedora ( 25 ) but when I went to insert the SD adapter with the micro-sd card this time, the computer froze. It has frozen every time since. It is still reading the card, and after a minute or two of losing control of the GUI and terminal it mounts and I can access the files within the card. It used to mount the card with grace and ease and even performed the kindness of letting me know that the card was mounted successfully at the top of the screen. So what caused this? I don't know. It began today and today I:

Code:

sudo dnf upgrade

And from there I just modified a couple .brs files and ran them so I could go bug-hunting, and, on a side-note, enabled RPM-fusion on my system.

I don't know why any of those would cause the SD card to be read or mounted any differently, so I decided to call dmesg after inserting the card to see what I could find out.

"FAT-fs (mmcblk0p1) Volume was not properly unmounted. Some data may be corrupt. Please run fsck.". Oh so that's the problem. Well problem one led to problem two and three as when I tried to run fsck or e2fsck I got a rather cryptic warning.

/dev/mapper/fedora-root, /dev/sda1, /dev/mapper/fedora-home is mounted

Code:

WARNING!!! The filesystem is mounted. If you continue you ***WILL*** cause ***SEVERE*** filesystem damage.

Well I don't want that, abort... abort!!! When trying to unmount these filesystems so that I could run fsck and see if I could fix the corrupt filesystem I would either get:

umount: /home: ( or /root: ) umount failed: Operation not permitted ( or the target is busy )

and /dev/sda1 flat out doesn't show up.

I'm at a loss. Can anyone explain to me how I would go about fixing the sd card and preventing the temporary full system lock-up? It would be preferred if I didn't have to perform cmd gymnastics or unmount everything on the system to do so, but if it's necessary then I'll do what I must.

Last edited by Beta_OmegaAdinf; 02-20-2017 at 04:18 PM.. Reason: Title missing comma.

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LEARN ABOUT DEBIAN

opensc-tool

OPENSC-TOOL(1)							   OpenSC tools 						    OPENSC-TOOL(1)

NAME

       opensc-tool - generic smart card utility

SYNOPSIS

       opensc-tool [OPTIONS]

DESCRIPTION

       The opensc-tool utility can be used from the command line to perform miscellaneous smart card operations such as getting the card ATR or
       sending arbitrary APDU commands to a card.

OPTIONS

       --info, -i
	   Print information about OpenSC, such as version and enabled components

       --atr, -a
	   Print the Answer To Reset (ATR) of the card, output is in hex byte format

       --name, -n
	   Print the name of the inserted card (driver)

       --serial
	   Print the card serial number (normally the ICCSN), output is in hex byte format

       --send-apdu apdu, -s apdu
	   Sends an arbitrary APDU to the card in the format AA:BB:CC:DD:EE:FF...

       --list-files, -f
	   Recursively lists all files stored on card

       --list-readers, -l
	   Lists all configured readers

       --list-drivers, -D
	   Lists all installed card drivers

       --reader num, -r num
	   Use the given reader number. The default is 0, the first reader in the system.

       --card-driver driver, -c driver
	   Use the given card driver. The default is auto-detected.

       --wait, -w
	   Wait for a card to be inserted

       --verbose, -v
	   Causes opensc-tool to be more verbose. Specify this flag several times to enable debug output in the opensc library.

SEE ALSO

       opensc-explorer(1)

opensc								    06/03/2012							    OPENSC-TOOL(1)