Harald Jung <harald.j...@ecos.de> writes:

> Hi,
> no idea what I'm doing wrong here:
> cat /sys/bus/usb/devices/1-3/product
> HP hs3110 HSPA+ Mobile Broadband Device
> ls /sys/bus/usb/devices/ |grep 1-3
> 1-3
> 1-3:2.0
> 1-3:2.1
> 1-3:2.2
> echo -n "1-3:2.0" > /sys/bus/usb/drivers/cdc_mbim/bind
> bash: echo: write error: No such device

You're not doing anything wrong.  That error is consistent with the
probing failure.  Do you have dynamic debugging enabled?  If so, then
mount debugfs, do

  echo module cdc_ncm +fp >/sys/kernel/debug/dynamic_debug/control

and then repeat the manual bind.  Hoping this will produce a more
specific debug message.

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