[Dfu-util] Bug in dfu-util?

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Steffen Breitbach dfu-util at bebef.de
Wed Mar 3 07:16:53 UTC 2021


Okay, I think I'll file a ticket/bug in Sourceforge then.

On 17.2.2021 13:20, Steffen Breitbach wrote:
> Hi everyone!
> 
> I'm not sure what to make of this, so I thought it's probably a good
> idea to ask here first before filing a bug.
> 
> I'm flashing a GigaDevice GD32VF103TB (Pinecil) with dfu-util0.10. I
> have compiled the latter from source, as there are supposedly some
> issues with 0.9 and that's not available yet.
> 
> I have two machines, a Dell notebook and a Razer notebook. Both use
> the same USB3/Thunderbolt dock.
> With the Dell machine, I get this output every time I run dfu-util like 
> this:
> 
> sudo ./dfu-util-0.10/src/dfu-util -l
> dfu-util 0.10
> 
> [cut the disclaimer]
> 
> Found DFU: [28e9:0189] ver=0100, devnum=17, cfg=1, intf=0,
> path="5-2.1", alt=1, name="@Option Bytes  /0x1FFFF800/01*016Be",
> serial="3TBJ"
> Found DFU: [28e9:0189] ver=0100, devnum=17, cfg=1, intf=0,
> path="5-2.1", alt=0, name="@Internal Flash  /0x08000000/128*001Kg",
> serial="3TBJ"
> 
> However, when I connect it to my Razer, regardless of "directly" or
> via the dock, the behaviour is like this:
> 
> FIRST run of dfu-util -l:
> sudo ./dfu-util-0.10/src/dfu-util -l
> dfu-util 0.10
> 
> [cut the disclaimer]
> 
> dfu-util: Cannot open DFU device 28e9:0189
> 
> From that, I just get nothing at all, just as if no dfu device was
> connected at all.
> 
> Looking into lsusb, the device is present before running dfu-util and
> gone after running dfu-util. Like I said, I have tested several
> connections, so my suspicion now is, that - for whatever reason -
> running dfu-util on my Razer makes the SoC "crash" so that it won't be
> recognized by the computer any more.
> However, I don't see a reason for this. I have checked the dfu-util
> binaries, they are identical. Also libusb versions and even the
> kernels are identical.
> 
> So, I'm not sure this is a bug in dfu-util and I have no expertise in
> debugging this any further :(
> 
> What could I do from here?
> 
> Cheers
>   Steffen



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