Hello List, does some use linux with an Edgeport/416 ? I have a strange problem. the device is resetting soon after i started using it (but not immediately). I do not see a kernel OOPS but a common pattern is: 2019-08-20T15:19:39.825812+00:00 omnfrmo10 kernel: [683270.658623] usb 7-1.1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 2019-08-20T15:19:39.825818+00:00 omnfrmo10 kernel: [683270.658626] usb 7-1.1.2: Product: Edgeport/416 2019-08-20T15:19:39.825821+00:00 omnfrmo10 kernel: [683270.658628] usb 7-1.1.2: Manufacturer: Digi International 2019-08-20T15:19:39.825823+00:00 omnfrmo10 kernel: [683270.658630] usb 7-1.1.2: SerialNumber: E63966100-1 2019-08-20T15:19:39.985571+00:00 omnfrmo10 kernel: [683270.817909] usb 7-1.1.2: Edgeport TI 2 port adapter converter now attached to ttyUSB4 2019-08-20T15:19:39.985594+00:00 omnfrmo10 kernel: [683270.818132] usb 7-1.1.2: Edgeport TI 2 port adapter converter now attached to ttyUSB5 2019-08-20T15:19:40.007943+00:00 omnfrmo10 mtp-probe: checking bus 7, device 88: "/sys/devices/pci0000:00/0000:00:1d.1/usb7/7-1/7-1.1/7-1.1.2" 2019-08-20T15:19:40.053750+00:00 omnfrmo10 kernel: [683270.885626] usb 7-1.2.2: New USB device found, idVendor=1608, idProduct=0247 2019-08-20T15:19:40.053791+00:00 omnfrmo10 kernel: [683270.885630] usb 7-1.2.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 2019-08-20T15:19:40.053797+00:00 omnfrmo10 kernel: [683270.885633] usb 7-1.2.2: Product: Edgeport/416 2019-08-20T15:19:40.053800+00:00 omnfrmo10 kernel: [683270.885635] usb 7-1.2.2: Manufacturer: Digi International 2019-08-20T15:19:40.053803+00:00 omnfrmo10 kernel: [683270.885637] usb 7-1.2.2: SerialNumber: E63966100-5 2019-08-20T15:19:40.065569+00:00 omnfrmo10 kernel: [683270.897406] usb 7-1.1.3: new full-speed USB device number 90 using uhci_hcd 2019-08-20T15:19:40.213569+00:00 omnfrmo10 kernel: [683271.046316] usb 7-1.2.2: Edgeport TI 2 port adapter converter now attached to ttyUSB6 2019-08-20T15:19:40.213594+00:00 omnfrmo10 kernel: [683271.046782] usb 7-1.2.2: Edgeport TI 2 port adapter converter now attached to ttyUSB7 2019-08-20T15:19:40.242034+00:00 omnfrmo10 mtp-probe: checking bus 7, device 89: "/sys/devices/pci0000:00/0000:00:1d.1/usb7/7-1/7-1.2/7-1.2.2" 2019-08-20T15:19:40.301578+00:00 omnfrmo10 kernel: [683271.133380] usb 7-1.2.3: new full-speed USB device number 91 using uhci_hcd 2019-08-20T15:19:40.357559+00:00 omnfrmo10 kernel: [683271.192815] usb 7-1.1.3: New USB device found, idVendor=1608, idProduct=0247 2019-08-20T15:19:40.357584+00:00 omnfrmo10 kernel: [683271.192820] usb 7-1.1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3 2019-08-20T15:19:40.357588+00:00 omnfrmo10 kernel: [683271.192822] usb 7-1.1.3: Product: Edgeport/416 2019-08-20T15:19:40.357591+00:00 omnfrmo10 kernel: [683271.192825] usb 7-1.1.3: Manufacturer: Digi International 2019-08-20T15:19:40.357593+00:00 omnfrmo10 kernel: [683271.192827] usb 7-1.1.3: SerialNumber: E63966100-2 2019-08-20T15:19:40.513702+00:00 omnfrmo10 kernel: [683271.349103] usb 7-1.1.3: Edgeport TI 2 port adapter converter now attached to ttyUSB8 2019-08-20T15:19:40.513725+00:00 omnfrmo10 kernel: [683271.349311] usb 7-1.1.3: Edgeport TI 2 port adapter converter now attached to ttyUSB9 2019-08-20T15:19:40.537138+00:00 omnfrmo10 mtp-probe: checking bus 7, device 90: "/sys/devices/pci0000:00/0000:00:1d.1/usb7/7-1/7-1.1/7-1.1.3" 2019-08-20T15:19:40.601754+00:00 omnfrmo10 kernel: [683271.433389] usb 7-1.1.4: new full-speed USB device number 92 using uhci_hcd 2019-08-20T15:19:40.601794+00:00 omnfrmo10 kernel: [683271.433631] usb 7-1.2.3: New USB device found, idVendor=1608, idProduct=0247 2019-08-20T15:19:40.601798+00:00 omnfrmo10 kernel: [683271.433634] usb 7-1.2.3: New USB device strings: Mfr=1, Produc I did some experiments (changing cables etc) but always the same. But when tested with a windows system it worked all fine. later i used a single port USB->Serial and all worked as expected. I tested with: Opensuse 15.1 on a DELL latitude E5400 uname -a Linux omnfrmo10 4.12.14-lp151.28.10-vanilla #1 SMP Sat Jul 13 17:59:31 UTC 2019 (0ab03b7) x86_64 x86_64 x86_64 GNU/Linux I would like to improve the situation, does anyone has that device ? any hints what to look at ? please reply direct, i am not member of this list. re, wh
