dfu-util upload problems

[xiangfu]

there is something wrong -U option.
be careful use this option.
Gianluigi wrote:
> Alle 02:50, lunedì 21 luglio 2008, Kevin Squire ha scritto:
>   
>> At least one other person (you?) has indicated a similar problem at
>> http://wiki.openmoko.org/wiki/Pre-Flash_Backup.  Any ideas, anyone?
>>
>> Thanks,
>>
>>    Kevin
>>
>> _
>>     
>
> I've same problem.
>
> # ./dfu-util -a rootfs -R -U good-rootfs.jffs2
> dfu-util - (C) 2007 by OpenMoko Inc.
> This program is Free Software and has ABSOLUTELY NO WARRANTY
>
> Opening USB Device 0x0000:0x0000...
> Claiming USB DFU Runtime Interface...
> Determining device status: state = appIDLE, status = 0
> Device really in Runtime Mode, send DFU detach request...
> Resetting USB...
> Opening USB Device...
> Found Runtime: [0x1d50:0x5119] devnum=15, cfg=0, intf=0, alt=6, name="rootfs"
> Claiming USB DFU Interface...
> Setting Alternate Setting ...
> Determining device status: state = dfuIDLE, status = 0
> dfuIDLE, continuing
> Transfer Size = 0x1000
> dfu_upload error -84
>
>
> My system is:
> OpenSuse 10.2 over AMD Athlon XP
>
>