severity 419929 important
thanks

On Wed, Apr 18, 2007 at 10:08:33PM +0200, Johannes Wiedersich wrote:
> Package: qemu
> Version: 0.8.2-4
> Severity: critical
> Justification: causes serious data loss

This only concerns one feature of qemu, and only concerns the data you
try to modify in the guest. It's data loss, but I won't call that
*serious* data loss.

> I use
> 
> qemu win98bug.img -hdb fat:rw:test
> 
> I know from /usr/share/doc/qemu/qemu-doc.html that I shouldn't use
> non-ASCII filenames, etc.
> 
> Apparently data loss occurs, if the *contents* of the file contain some
> non-ASCII characters.
> 
> 1. Ordinary txt file
> 
> - In windows, I create a txt file and edit it with notepad.
> 
> - If the text of that file just contains ASCII characters everything is
> fine.
> 
> - If I add one German umlaut A, everything is fine, I can change and save 
> the text. On reboot of the guest all changes will be lost!
> 
> 2. Office document
> 
> - In openoffice.org on the host's etch, I create a document with one word
> "test" in it (only the 4 letters), save it as 'Microsoft Word 97/2000/XP' 
> and copy it to the test-directory.
> 
> - I open and close the file ok from within windows 98 / office 2000 (word) 
> as long as I don't change anything.
> 
> - I add *one* letter to the "test" text --> "testa" and save the document 
> from M$ office on the guest and shutdown / reboot the guest
> 
> - the file is corrupted: word will report "Document name or path invalid"
> (my translation from German). Openoffice will freeze on trying to open the
> document.
> 
> This also happens to more complex documents. 
> 
> The same image file works fine with the same office document (and many 
> others), if I don't use the above command line, but just use 
> 
> qemu win98bug.img 
> 
> and install samba 'properly' on the host. 
> 
> Since there is also #419515, this seems to be the *only* choice as far as 
> data transfer between guest and host is possible. 
> 
> It was quite a learning experience to me to get it working, however, 
> 
> *Thanks for the good work* 
> 
> and for providing a means of not having to shutdown debian, just to be able 
> to edit the odd word document that won't render properly in Openoffice.org! 
> 

I really doubt it is due do non-ASCII characters. It's probably due to
buffers not written to the disk when the guest is shutdown.

There has been a lot of code changes on that side in qemu 0.9.0, so I
really think the bug has been fixed. Care to retry with this version ?

-- 
  .''`.  Aurelien Jarno             | GPG: 1024D/F1BCDB73
 : :' :  Debian developer           | Electrical Engineer
 `. `'   [EMAIL PROTECTED]         | [EMAIL PROTECTED]
   `-    people.debian.org/~aurel32 | www.aurel32.net


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