jumbotroll wrote: ↑Monday 10 June 2019 23:14 This driver is extracted from synolgy apollolake DSM6.2.2.
Delete all another usbserial.ko drivers and replace with this driver:
http://jadahl.com/usbserial.ko
Copy this driver to /usr/lib/modules and chmod 777

That WORKED! You are the man.

Yes. None of the others generate that message. The other drivers never load, I'm assuming simply because usbserial.ko fails to load first. Here's an example from DMESG (following the version magic error): cp210x: Unknown symbol usb_serial_generic_open (err 0). Thanks so much for your help. I went ...

Thanks so much for your help. I went ahead and searched my entire Synology system for other older drivers, only found zusb folder in /lib/modules, which I removed, and a version of /usbserial.ko in usr/lib/modules/, which I deleted. Nothing showed in lsmod. Took out the HUSBZB-1 USB module, rebooted ...

Hello, Jumbotroll! Have an interesting question. My synology 918+ install has a uname -r of "4.4.59+". it seems the SETLOCALCONFIG has appended a "+" to the name, and because of this, I get a version magic error for usbserial in the Dmesg log, as your 6.2 Apollolake drivers are compiled for "4.4.59 ...