[Debian-lego-team] Bug#1015260: Bug#1015260: Additional information

[Nicolas Schodet]

* Sietse Achterop <s.achterop at rug.nl> [2022-07-22 11:55]:
> I now realize that the main problem maybe is in the device /dev/usb/legousbtower0, which is created
> when plugging in the IR-tower.
> 
> Jul 22 11:53:03 Sietses-PC kernel: [137264.570103] usb 1-9: new low-speed USB device number 16 using xhci_hcd
> Jul 22 11:53:03 Sietses-PC kernel: [137264.733637] usb 1-9: New USB device found, idVendor=0694, idProduct=0001, bcdDevice= 1.00
> Jul 22 11:53:03 Sietses-PC kernel: [137264.733642] usb 1-9: New USB device strings: Mfr=4, Product=26, SerialNumber=0
> Jul 22 11:53:03 Sietses-PC kernel: [137264.733644] usb 1-9: Product: LEGO USB Tower
> Jul 22 11:53:03 Sietses-PC kernel: [137264.733646] usb 1-9: Manufacturer: LEGO Group
> Jul 22 11:53:03 Sietses-PC kernel: [137264.736315] legousbtower 1-9:1.0: LEGO USB Tower firmware version is 1.0 build 134
> Jul 22 11:53:03 Sietses-PC kernel: [137264.736490] legousbtower 1-9:1.0: LEGO USB Tower #-160 now attached to major 180 minor 0
> Jul 22 11:53:03 Sietses-PC mtp-probe: checking bus 1, device 16: "/sys/devices/pci0000:00/0000:00:14.0/usb1/1-9"
> Jul 22 11:53:03 Sietses-PC mtp-probe: bus: 1, device: 16 was not an MTP device
> Jul 22 11:53:03 Sietses-PC mtp-probe: checking bus 1, device 16: "/sys/devices/pci0000:00/0000:00:14.0/usb1/1-9"
> Jul 22 11:53:03 Sietses-PC mtp-probe: bus: 1, device: 16 was not an MTP device
> 
> But I assume that it used to word, 15 years ago, so what is changed?
> 
> Further the package brickos with command firmdl3 works just fine, so I assume that the hardware is ok.

Hello,

I do not own a RCS kit, but I can try to help.

Nothing suspicious in the kernel log as far as I can tell.

Can you try with strace to identify the ioctl posing problem?

Does it work with an old kernel?

Also a comparison with firmdl3 strace could be helpful.

Nicolas.