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I am trying to format my usb stick on /dev/sdc, partition sdc1:

sudo mkfs.vfat -F 32 /dev/sdc1

I get the following for a few seconds, no error:

mkfs.fat 3.0.26 (2014-03-07)

However, sudo fdisk -l lists /dev/sdc1 as 'Linux':

   Device Boot      Start         End      Blocks   Id  System
/dev/sdc1            2048   122879999    61438976   83  Linux

and I still can't mount it on a FAT32-only system.

I have tried to zero the stick first, sfdisk, removing -F 32, nothing works.

How do I format my USB stick?

Edit: I tried to format from nautilus. It doesn't work either, but at least I get an error message:

"Error synchronizing after initial wipe: Timed out waiting for object (udisks-error-quark, 0)"

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Gauthier
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  • Is the stick writeable (some have a little switch on them to write-lock)? – ubfan1 Jun 29 '15 at 17:00
  • Good point! I see no physical switch, but when I mount the stick, it is root:root with permissions 0755... – Gauthier Jun 30 '15 at 07:59
  • @ubfan1: If I mount the disk with sudo mount /dev/sdc1 /media/usbdrive/ -o umask=000, I can create a file at the mount point. – Gauthier Jun 30 '15 at 08:18

1 Answers1

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Apparently, this is a bug, but gparted manages to format.

Strange that I get an error message when trying to format from nautilus, but not from the command line.

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