Troubleshooting Kindle 4 Touch "write-protected"

[Wazle]

Hey,

I am using my Kindle with Calibre on Linux (Ubuntu). Everything started great. Now the second day I am not longer able to load my Kindle with books. It says it is "write-protected". This is the failure message:

calibre, version 0.8.61
FEHLER: Fehler: Fehler bei der Kommunikation mit dem Gerät
(Error cummunicating with device)
[Errno 30] Das Dateisystem ist nur lesbar: u'/media/Kindle/metadata.calibre'
(Datasystem read-only)
Traceback (most recent call last):
  File "site-packages/calibre/gui2/device.py", line 82, in run
  File "site-packages/calibre/gui2/device.py", line 339, in _books
  File "site-packages/calibre/devices/kindle/driver.py", line 335, in books
  File "site-packages/calibre/devices/usbms/driver.py", line 246, in books
  File "site-packages/calibre/devices/usbms/driver.py", line 391, in sync_booklists
  File "site-packages/calibre/devices/usbms/driver.py", line 389, in write_prefix
IOError: [Errno 30] Das Dateisystem ist nur lesbar(Datasystem read-only): u'/media/Kindle/metadata.calibre'

The italic bold in bracelets is the translation of my german system message.

I hope you guys are able to help me. I need this sweet machine to be filled with new books.

Thank you!

[ixtab]

Try to unmount & unplug, then re-plug the device, while looking at the log file (sudo tail -f /var/log/syslog).

Chances are that it gets mounted read-only because of potential errors on the file system, but this is all speculation. Only the log file will reveal the reason.

Side note: you did unmount ("Auswerfen") the device before unplugging it, right? Unplugging USB devices without unmounting them first is one of the most promising and easy ways to screw them up