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Date:	Tue, 11 Jan 2011 15:55:50 +0100
From:	Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: 1.7.7 on Windows 7: can't write to removable disk
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On Jan 11 15:51, Corinna Vinschen wrote:
> On Jan 10 10:40, tomas AT datasupporten DOT se wrote:
> > Hello.
> > I'm trying to write a disk image to a compact flash card with dd, but I
> > get the error:
> > "dd: writing to /dev/sdj: Permission denied"
> > 
> > Apart from the CF-card, I also tried a USB-stick with the same results.
> > I'm logged in as administrator.
> 
> Please have a look into http://support.microsoft.com/kb/942448 first.
> 
> [...listening "De-Loused In The Comatorium" while waiting...]
> 
> Finished reading?  Ok.
> 
> That's quite a serious restriction starting with Vista.  If I destroy the
> filesystem on one of my sd cards under Linux, I can then overwrite it
> with dd under Cygwin.  However, if that dd call created a valid
> filesystem on the sd card, the next write fails again.  For some reason
> it does not help to unmount the filesystem on the drive via the "Disk
> Management" MMC snap-in, despite the claim in the aforementioned
> article.
> 
> The solution I just checked in to Cygwin is rather complicated, but
> I really tested this a couple of hours now, and I didn't find any
> other solution.

I forgot the disclaimer:

  Please test the next developer snapshot from http://cygwin.com/snapshots/


Thanks,
Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

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