On Wed, 2016-09-21 at 18:41 +0200, Wim Osterholt wrote:
> On Wed, Sep 21, 2016 at 02:21:17PM +0200, Oliver Neukum wrote:
> > in sysfs.
> Google pointed me to /sys/bus/usb/drivers/usb/*
> where I find all kinds of 'bConfigurationValue'.
> Now is the problem to find which one you could mean.
> Under /sys/bus/usb/drivers/usb/7-1 I find
> manufacturer which reads 'Conexant' and
> bConfigurationValue which reads '1'
OK. Strange. Please do
echo 9 > /proc/sysrq-trigger
echo "module cdc_acm +mpf" > /sys/kernel/debug/dynamic_debug/control
[plug your device in]
and provide the full output of dmesg after that.