Comment 23 for bug 201053

I feel that the problem is less with the overwriting files then of files being silently failing and renamed.

To help with you reproducing the problem

1. In Settings - File rename options - Camera file name - Leave as is.
2. In On the Fly Operation - Auto-rotate / Flip image

As for "Camera Information":

Mounted Camera driver for USB/IEEE1394 mass storage cameras and Flash disk card readers.

Title: Images found in media:/sdb1
Model: directory browse
Port: Fixed
Path: /media/NIKON D50