getting error while trying to flash my neo freerunner

[Detructor]

Am Donnerstag, den 04.09.2008, 11:11 -0700 schrieb Michael Shiloh:
> Detructor wrote:
> > I've used the command out of the wiki...for example
> > "sudo ./dfu-util -a rootfs -R -D ./Om2008.8-gta02-20080904.rootfs.jffs2"
> > 
> > I'm using the standard terminal from gnome
> > 
> >         Hey guys,
> >         
> >         I hope you can help me, I've the following problem:
> >         
> >         When I try to flash the neo on my laptop I get a
> >         "Starting download: [dfu_download error -71"
> >         
> >         sometimes the download starts and then I get the error.
> >         
> >         When I get the neo in June, I could flash it without getting this error.
> >         
> >         My operating system: Ubuntu 8.04.1
> >         
> >         I ask here, because I can't find anything about this error in the www
> >         (only 3 entries in google and none of it helps).
> >         
> >         hope for help
> >         Detructor
> >         
> >         ======================
> >         
> >         Hi,
> >         
> >         What command line did you use? One cause of this error is when you give 
> >         the wrong argument to dfu-util, e.g. -a u-boot while flashing a kernel 
> >         image.
> >         
> >         Michael
> 
> 
> And is your u-boot a recent version? Although if it's not it will be 
> hard to update until we solve this problem.
> 
> Does this problem persist for kernel and u-boot too?
> 
> Can you check the integrity of the image you're trying to flash with md5sum?
> 
> Michael
> 
> 
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-> yep for kernel, too. but with some luck I got the kernel flashed (I
tried it 20 times, than it was flashed ;))

-> nope I never flashed u-boot and yep it is the correct image (md5 is
correct) 

do you know what this error number means?