03f0:521d Hewlett-Packard again

Bjørn Mork bjorn at mork.no
Tue Sep 20 17:55:17 UTC 2016


Harald Jung <harald.jung at 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.




Bjørn


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