Comment # 2 on bug 1167793 from Oliver Neukum

(In reply to Josef Reidinger from comment #1)
> Oliver:
> 
> 1. how to enable dynamic debugging for that module?

echo "module acm_ncm +fmp" > /sys/kernel/debug/dynamic_debug/control
and ramp up logging level to maximum
result is in dmesg

> 2. I reproduce it when using GTM L&L. Usual GTM calls does not cause
> segfault, so I am not sure when I can reproduce it. But I can let it running
> this way and if it segfault I would update this bug.

Then give full dmesg without a crash. I need the setup for your device and will
assume it was the same for teh crash.