Firmware update of MC7455 timing out.

[Paul Gildea]

Hi guys,

I can confirm that USB3 is the issue, have tested with USB2 now and the
upgrade works correctly.



On 11 January 2018 at 12:55, Bjørn Mork <bjorn at mork.no> wrote:

> Aleksander Morgado <aleksander at aleksander.es> writes:
>
> > On Thu, Jan 11, 2018 at 1:09 PM, Bjørn Mork <bjorn at mork.no> wrote:
> >> Paul Gildea <gildeap at tcd.ie> writes:
> >>
> >>> I notice that when the modem reboots and comes back up in the download
> mode
> >>> (9070) it's has a different USB path than during application mode
> (9071)
> >>> where /dev/ttyUSB2 is detected erroneously: Application mode: 2-3
> (USB3)
> >>> download mode:  1-6 (USB2). I suspect this is the issue.
> >>
> >> This might very well be it!  Note that I have never tried firmware
> >> updates on any USB3 connected modem, so I would not have hit this issue.
> >
> > Oh! really need a USB3 capable USB adapter to test this.
>
> Yes...
>
> > I wonder how we can try to solve this in a reliable way...
>
> Take a look at the
>
>  /sys/bus/usb/devices/x-y/port/peer
>
> links?
>
>
> Bjørn
>
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