Roy J. Tellason, Sr. wrote: > On Wednesday 23 October 2024 09:38:04 pm Max Nikulin wrote: > > On 23/10/2024 21:25, Roy J. Tellason, Sr. wrote: > > > Connecting the device with a USB cable I see it wake up, at which point > > > there's a menu on its screen. > > > > Start "journalctl -f" as root before connecting the device. Logs may > > contain some hints how to communicate with it. Perhaps "udevadm monitor" > > with some options may provide more low level info. > > I did find some info in one of the log files: > > Oct 24 15:14:28 Workstation1 kernel: [1915052.140032] usb 7-1.4.4: new > full-speed USB device number 13 using ehci-pci > Oct 24 15:14:28 Workstation1 kernel: [1915052.249009] usb 7-1.4.4: New USB > device found, idVendor=1a86, idProduct=7523 > Oct 24 15:14:28 Workstation1 kernel: [1915052.249012] usb 7-1.4.4: New USB > device strings: Mfr=0, Product=2, SerialNumber=0 > Oct 24 15:14:28 Workstation1 kernel: [1915052.249014] usb 7-1.4.4: Product: > USB Serial > Oct 24 15:14:28 Workstation1 kernel: [1915052.249308] ch341 7-1.4.4:1.0: > ch341-uart converter detected > Oct 24 15:14:28 Workstation1 kernel: [1915052.251232] usb 7-1.4.4: ch341-uart > converter now attached to ttyUSB0 > Oct 24 15:14:28 Workstation1 mtp-probe: checking bus 7, device 13: > "/sys/devices/pci0000:00/0000:00:1a.7/usb7/7-1/7-1.4/7-1.4.4" > Oct 24 15:14:28 Workstation1 mtp-probe: bus: 7, device: 13 was not an MTP > device > Oct 24 15:14:29 Workstation1 org.xfce.FileManager[1332]: thunar-volman: > Unsupported USB device type "usb". > Oct 24 15:14:29 Workstation1 org.xfce.FileManager[1332]: thunar-volman: > Unsupported USB device type "ch341". > > I don't recognize that mtp stuff, and don't know how thunar-volman gets into > the picture...
mtp is media transfer protocol, an alternative to USB Mass Storage. Hence thunar volume manager. Overall it looks like the mtp-probe is deluded and trying to mount the unmountable. -dsr-
