Re: usbserial_generic, idVendor=1a28, idProduct=6010

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On Sun, Feb 23, 2014 at 09:09:53PM +0100, Emanuel Koczwara wrote:
> Hi,
> 
> W dniu 23.02.2014 18:58, Johan Hovold pisze:
> > Perhaps the printer is sending some status bytes that we shouldn't 
> > pass to user space. Could you provide a log from when you send a 
> > command and get a response while running with debugging enabled? You 
> > can enable debugging with echo "module usbserial +p" 
> > >/sys/kernel/debug/dynamic_debug/control 
> 
> root@emanuel-laptop:/home/emanuel# echo "module usbserial +p" > 
> /sys/kernel/debug/dynamic_debug/control
> bash: /sys/kernel/debug/dynamic_debug/control: No such file or directory
> 
> How can I enable it?

You might need to mount debugfs:

	mount -t debugfs none /sys/kernel/debug

and make sure your kernel is compiled with CONFIG_DYNAMIC_DEBUG (and
CONFIG_DEBUG_FS) enabled.

Johan
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