Hi Mike, Thank you a lot. Problem is solved. :-)
Best greetings, thanks again Benjamin On 03/07/18 13:53, Michael Stone wrote: > On Tue, Jul 03, 2018 at 01:18:57PM +0200, Benjamin Herwig wrote: >> I encountered some strange USB behaviour (also others on the internet, >> for example >> https://www.linuxquestions.org/questions/linux-hardware-18/what-does-cdc_acm-unknown-symbol-refcount_inc_not_zero-err-0-in-dmesg-mean-4175633136/) >> >> >> Attaching an Arduino to my computer gives an errormessage (cdc_acm: >> Unknown symbol refcount_inc_not_zero (err 0)) and no /dev/ttyACM* is >> bound. > > Have you rebooted since your last kernel upgrade? > > Mike Stone -- Benjamin Herwig, M.Sc. Universität Kassel Fachbereich 16, Elektrotechnik/Informatik Wilhelmshöher Allee 73 34121 Kassel Tel: +49 (0) 561 804 6196 Fax: +49 (0) 561 804 6022 PGP: 0x6C7A5BFC www.ies.uni-kassel.de www.ies-research.de
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