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Re: battery tester

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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-

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battery tester "Roy J. Tellason, Sr." <roy@rtellason.com> - 2024-10-20 20:00 +0200
  Re: battery tester David Christensen <dpchrist@holgerdanske.com> - 2024-10-21 03:10 +0200
  Re: battery tester Darac Marjal <lists-debian-user@bendel.debian.org> - 2024-10-21 13:50 +0200
    Re: battery tester "Roy J. Tellason, Sr." <roy@rtellason.com> - 2024-10-23 16:30 +0200
      Re: battery tester Max Nikulin <manikulin@gmail.com> - 2024-10-24 03:40 +0200
        Re: battery tester "Roy J. Tellason, Sr." <roy@rtellason.com> - 2024-10-24 21:30 +0200
          Re: battery tester <tomas@tuxteam.de> - 2024-10-24 21:30 +0200
            Re: battery tester "Roy J. Tellason, Sr." <roy@rtellason.com> - 2024-10-24 21:40 +0200
          Re: battery tester Jeffrey Walton <noloader@gmail.com> - 2024-10-24 22:10 +0200
          Re: battery tester Dan Ritter <dsr@randomstring.org> - 2024-10-24 22:30 +0200
            Re: battery tester Max Nikulin <manikulin@gmail.com> - 2024-10-25 03:30 +0200
          Re: battery tester Joe <joe@jretrading.com> - 2024-10-24 23:00 +0200
  Re: battery tester George at Clug <Clug@goproject.info> - 2024-10-22 08:50 +0200
    Re: battery tester "Roy J. Tellason, Sr." <roy@rtellason.com> - 2024-10-23 17:00 +0200
    Re: battery tester Jeffrey Walton <noloader@gmail.com> - 2024-10-23 17:20 +0200
      Re: battery tester <tomas@tuxteam.de> - 2024-10-23 20:20 +0200
      Re: battery tester Max Nikulin <manikulin@gmail.com> - 2024-10-24 04:10 +0200

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