nautilus file copy doesn't preserve nanosecond timestamps

Bug #642596 reported by Mechanical snail on 2010-09-19
This bug affects 3 people
Affects Status Importance Assigned to Milestone
nautilus (Ubuntu)
Nominated for Natty by Mechanical snail

Bug Description

Binary package hint: nautilus

nautilus 1:2.30.1-0ubuntu1.1 in Ubuntu Lucid

When copying files in Nautilus, the low 3 decimal digits in the copy are set to zero. In other words, it only preserves 2-microsecond resolution.

Steps to reproduce:
1. Create a file (on a filesystem supporting nanosecond timestamps) and view its timestamp:
username@host:/dev/shm$ touch original-file
username@host:/dev/shm$ ls --full-time original-file
-rw-r--r-- 1 username username 0 2010-09-19 07:27:56.463178584 +0000 original-file

2. Copy file in Nautilus to the same or another filesystem, and view new file's timestamp
# original-file copied to file-nautilus
username@host:/dev/shm$ ls --full-time file-nautilus
-rw-r--r-- 1 username username 0 2010-09-19 07:27:56.463178000 +0000 file-nautilus

Expected result: New file has exactly the same timestamp. For example, cp --preserve=all works properly:
username@host:/dev/shm$ cp --preserve=all original-file file-cp
username@host:/dev/shm$ ls --full-time file-cp
-rw-r--r-- 1 username username 0 2010-09-19 07:27:56.463178584 +0000 file-cp

Actual result: last 3 digits of copy are 000.

There was a similar bug in OpenSolaris:
I have no idea whether the root cause is related, though.

tags: added: metadata nanosecond
Pedro Villavicencio (pedro) wrote :

Thank you for your bug report. This bug has been reported to the developers of the software. You can track it and make comments at:

Changed in nautilus (Ubuntu):
importance: Undecided → Low
status: New → Triaged
Changed in nautilus:
importance: Undecided → Unknown
status: New → Unknown
Changed in nautilus:
importance: Unknown → Medium
status: Unknown → New
tags: removed: metadata nanosecond
Changed in nautilus:
status: New → Confirmed
Changed in nautilus:
status: Confirmed → Expired
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