Comment 7 for bug 271677

i thought that too, but it seems to be the original magic.mime yausing this errors:
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illuminatus@thinkbox:~$ ls -al /etc/magic.mime
lrwxrwxrwx 1 root root 21 2008-06-15 01:01 /etc/magic.mime -> /usr/share/file/magic
illuminatus@thinkbox:~$ ls -al /usr/share/file/magic
-rw-r--r-- 1 root root 485185 2008-06-10 07:39 /usr/share/file/magic
illuminatus@thinkbox:~$ md5sum /usr/share/file/magic
0554b0047b42fb2098ef00a6abf36500 /usr/share/file/magic
illuminatus@thinkbox:~$ dpkg -S /usr/share/file/magic
libmagic1: /usr/share/file/magic
illuminatus@thinkbox:~$ sudo apt-get install --reinstall libmagic1
Paketlisten werden gelesen... Fertig
Abhängigkeitsbaum wird aufgebaut
Reading state information... Fertig
0 aktualisiert, 0 neu installiert, 1 erneut installiert, 0 zu entfernen und 0 nicht aktualisiert.
Es müssen noch 0B von 333kB Archiven geholt werden.
After this operation, 0B of additional disk space will be used.
Möchten Sie fortfahren [J/n]? j
(Lese Datenbank ... 278979 Dateien und Verzeichnisse sind derzeit installiert.)
Vorbereiten zum Ersetzen von libmagic1 4.21-3ubuntu1 (durch .../libmagic1_4.21-3ubuntu1_i386.deb) ...
Entpacke Ersatz für libmagic1 ...
Richte libmagic1 ein (4.21-3ubuntu1) ...

Processing triggers for libc6 ...
ldconfig deferred processing now taking place
illuminatus@thinkbox:~$ md5sum /usr/share/file/magic
0554b0047b42fb2098ef00a6abf36500 /usr/share/file/magic
illuminatus@thinkbox:~$ file --brief --mime /media/data/cdz/linux/kubuntu-8.04.1-desktop-i386.iso
/etc/magic.mime, 2910: Warning description `Clarion Personal/Professional Developer (v2 and above) data fil' truncated
/etc/magic.mime, 2921: Warning description `Clarion Personal/Professional Developer (v2 and above) memo dat' truncated
/etc/magic.mime, 2927: Warning description `Clarion Personal/Professional Developer (v2 and above) help dat' truncated
ISO 9660 CD-ROM filesystem data UDF filesystem data (unknown version, id 'NSR01') 'Kubuntu 8.04.1 i386 ' (bootable)
illuminatus@thinkbox:~$
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when i edit the magic.mime file and comment out the mentioned lines, the errors vanish but the last line keeps the same:
illuminatus@thinkbox:~$ file --brief --mime /media/data/cdz/linux/kubuntu-8.04.1-desktop-i386.iso
ISO 9660 CD-ROM filesystem data UDF filesystem data (unknown version, id 'NSR01') 'Kubuntu 8.04.1 i386 ' (bootable)
illuminatus@thinkbox:~$ file --brief --mime /media/data/cdz/linux/kubuntu-8.04.1-desktop-i386.iso
/etc/magic.mime, 2910: Warning description `Clarion Personal/Professional Developer (v2 and above) data fil' truncated
/etc/magic.mime, 2921: Warning description `Clarion Personal/Professional Developer (v2 and above) memo dat' truncated
/etc/magic.mime, 2927: Warning description `Clarion Personal/Professional Developer (v2 and above) help dat' truncated
ISO 9660 CD-ROM filesystem data UDF filesystem data (unknown version, id 'NSR01') 'Kubuntu 8.04.1 i386 ' (bootable)
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the error message in uck still stays the same.

any other way to help you?