Hi,
I switched from Windows 10 to Linux Mint and installed the Deconz app.
Unfortunately, Deconz won’t connect to my Conbee II stick.
I hope everybody can help me quickly, currently I have 68 failed devices 
Attached are the logs and dmesg.
10:33:45:604 failed open com status: (-3), path: /dev/serial/by-id/usb-dresden_elektronik_ingenieurtechnik_GmbH_ConBee_II_DE2233340-if00
10:33:46:546 wait reconnect 5 seconds
10:33:46:636 COM: /dev/ttyACM0 : ConBee II : dresden elektronik ingenieurtechnik GmbH (0x1CF1/0x0030)
root root 13 Okt 2 10:18 usb-dresden_elektronik_ingenieurtechnik_GmbH_ConBee_II_DE2233340-if00 -> ../../ttyACM0
[Do Okt 2 10:12:30 2025] usb 2-2: new full-speed USB device number 12 using xhci_hcd
[Do Okt 2 10:12:30 2025] usb 2-2: New USB device found, idVendor=1cf1, idProduct=0030, bcdDevice= 1.00
[Do Okt 2 10:12:30 2025] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[Do Okt 2 10:12:30 2025] usb 2-2: Product: ConBee II
[Do Okt 2 10:12:30 2025] usb 2-2: Manufacturer: dresden elektronik ingenieurtechnik GmbH
[Do Okt 2 10:12:30 2025] usb 2-2: SerialNumber: DE2233340
[Do Okt 2 10:12:30 2025] cdc_acm 2-2:1.0: ttyACM0: USB ACM device
[Do Okt 2 10:12:34 2025] usb 2-2: USB disconnect, device number 12
[Do Okt 2 10:12:34 2025] usb 2-2: new full-speed USB device number 13 using xhci_hcd
[Do Okt 2 10:12:34 2025] usb 2-2: New USB device found, idVendor=1cf1, idProduct=0030, bcdDevice= 1.00
[Do Okt 2 10:12:34 2025] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[Do Okt 2 10:12:34 2025] usb 2-2: Product: ConBee II
[Do Okt 2 10:12:34 2025] usb 2-2: Manufacturer: dresden elektronik ingenieurtechnik GmbH
[Do Okt 2 10:12:34 2025] usb 2-2: SerialNumber: DE2233340
[Do Okt 2 10:12:34 2025] cdc_acm 2-2:1.0: ttyACM0: USB ACM device
[Do Okt 2 10:13:34 2025] usb 2-2: reset full-speed USB device number 13 using xhci_hcd
[Do Okt 2 10:13:34 2025] usb 2-2: reset full-speed USB device number 13 using xhci_hcd
[Do Okt 2 10:13:45 2025] cdc_acm 2-2:1.0: ttyACM0: USB ACM device
[Do Okt 2 10:14:13 2025] workqueue: delayed_fput hogged CPU for >10000us 4 times, consider switching to WQ_UNBOUND
[Do Okt 2 10:16:10 2025] usb 2-2: reset full-speed USB device number 13 using xhci_hcd
[Do Okt 2 10:16:10 2025] usb 2-2: reset full-speed USB device number 13 using xhci_hcd
[Do Okt 2 10:18:00 2025] cdc_acm 2-2:1.0: ttyACM0: USB ACM device
[Do Okt 2 10:25:06 2025] workqueue: delayed_fput hogged CPU for >10000us 5 times, consider switching to WQ_UNBOUND
[Do Okt 2 10:31:44 2025] workqueue: delayed_fput hogged CPU for >10000us 7 times, consider switching to WQ_UNBOUND
I’ve tried various USB ports, but to no avail.