Comment 3 for bug 675839

This appears fixed in Natty beta 2, x64 desktop run from cdrom:
(2x4 GiB ram)

ubuntu@ubuntu:~$ cd /media/a1dbea37-c813-42a2-9e11-1968bf4b1a87/foxyboy/Desktop/md5/files
$ ls -l asingle.avi asingleunzipped.avi anotsparse.avi asingle.zip
-rw-r--r-- 1 1000 1000 733906944 2010-11-15 00:11 anotsparse.avi
-rw-r--r-- 1 1000 1000 733906944 2010-11-15 00:08 asingle.avi
-rw-r--r-- 1 1000 1000 733906944 2010-11-15 00:10 asingleunzipped.avi
-rw-r--r-- 1 1000 1000 724419157 2010-11-15 00:13 asingle.zip
ubuntu@ubuntu:/media/a1dbea37-c813-42a2-9e11-1968bf4b1a87/foxyboy/Desktop/md5/files$ md5sum asingle.avi asingleunzipped.avi anotsparse.avi; (unzip -p asingle.zip | md5sum -)
37b1b5cc322cb3566f8fbd1c7ac46d9a asingle.avi
37b1b5cc322cb3566f8fbd1c7ac46d9a asingleunzipped.avi
37b1b5cc322cb3566f8fbd1c7ac46d9a anotsparse.avi
37b1b5cc322cb3566f8fbd1c7ac46d9a -
ubuntu@ubuntu:/media/a1dbea37-c813-42a2-9e11-1968bf4b1a87/foxyboy/Desktop/md5/files$ sudo mkdir /media/de947ba3-08ad-4c21-b0a5-2c266fdb420b/test-110421
ubuntu@ubuntu:/media/a1dbea37-c813-42a2-9e11-1968bf4b1a87/foxyboy/Desktop/md5/files$ sudo cp -v asingle.avi asingleunzipped.avi anotsparse.avi asingle.zip /media/de947ba3-08ad-4c21-b0a5-2c266fdb420b/test-110421/
`asingle.avi' -> `/media/de947ba3-08ad-4c21-b0a5-2c266fdb420b/test-110421/asingle.avi'
`asingleunzipped.avi' -> `/media/de947ba3-08ad-4c21-b0a5-2c266fdb420b/test-110421/asingleunzipped.avi'
`anotsparse.avi' -> `/media/de947ba3-08ad-4c21-b0a5-2c266fdb420b/test-110421/anotsparse.avi'
`asingle.zip' -> `/media/de947ba3-08ad-4c21-b0a5-2c266fdb420b/test-110421/asingle.zip'
ubuntu@ubuntu:/media/a1dbea37-c813-42a2-9e11-1968bf4b1a87/foxyboy/Desktop/md5/files$ cd /media/de947ba3-08ad-4c21-b0a5-2c266fdb420b/test-110421/
ubuntu@ubuntu:/media/de947ba3-08ad-4c21-b0a5-2c266fdb420b/test-110421$ md5sum asingle.avi asingleunzipped.avi anotsparse.avi; (unzip -p asingle.zip | md5sum -)
37b1b5cc322cb3566f8fbd1c7ac46d9a asingle.avi
37b1b5cc322cb3566f8fbd1c7ac46d9a asingleunzipped.avi
37b1b5cc322cb3566f8fbd1c7ac46d9a anotsparse.avi
37b1b5cc322cb3566f8fbd1c7ac46d9a -
ubuntu@ubuntu:/media/de947ba3-08ad-4c21-b0a5-2c266fdb420b/test-110421$ date
Fri Apr 22 05:09:44 UTC 2011
ubuntu@ubuntu:/media/de947ba3-08ad-4c21-b0a5-2c266fdb420b/test-110421$ uname -a
Linux ubuntu 2.6.38-8-generic #42-Ubuntu SMP Mon Apr 11 03:31:24 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux
ubuntu@ubuntu:/media/de947ba3-08ad-4c21-b0a5-2c266fdb420b/test-110421$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu Natty (development branch)
Release: 11.04
Codename: natty