Am 21.08.2019 13:43, schrieb Schmid, Carsten: > Hi Walter, > > i had a similar issue with a different device. > Please check, if you have dynamic debug enabled in your kernel > (/sys/kernel/debug/dynamic_debug/control exists) > ll /sys/kernel/debug/dynamic_debug/control -rw-r--r-- 1 root root 0 Aug 12 16:15 /sys/kernel/debug/dynamic_debug/control > Then you can enable additional kernel messages using > echo -n 'module xhci_hcd =p' > /sys/kernel/debug/dynamic_debug/control > echo -n 'module usbcore =p' > /sys/kernel/debug/dynamic_debug/control > > Check which usb related messages you can enable through the dynamic_debug. > (doing a "cat /sys/kernel/debug/dynamic_debug/control | grep usb" helps much) > I see a bunch of messages. what do you expect me to do ? I have 412 lines, should i send them ? > Finally, a fine resource is > https://www.kernel.org/doc/html/v4.11/admin-guide/dynamic-debug-howto.html > I did not know about dynamic-debug, fortunately linux drivers simply work these days :) re, wh > Best regards > Carsten > >> -----Ursprüngliche Nachricht----- >> Von: linux-usb-owner@xxxxxxxxxxxxxxx [mailto:linux-usb- >> owner@xxxxxxxxxxxxxxx] Im Auftrag von walter harms >> Gesendet: Mittwoch, 21. August 2019 13:18 >> An: linux-usb@xxxxxxxxxxxxxxx >> Cc: greg@xxxxxxxxx >> Betreff: problems with Edgeport/416 >> >> 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 >> >> >> >> >> >> >> >