OpenWrt/LEDE Project

  • Status Unconfirmed
  • Percent Complete
  • Task Type Bug Report
  • Category Kernel
  • Assigned To No-one
  • Operating System All
  • Severity Critical
  • Priority Very Low
  • Reported Version openwrt-19.07
  • Due in Version Undecided
  • Due Date Undecided
  • Private
Attached to Project: OpenWrt/LEDE Project
Opened by - 29.11.2019

FS#2641 - Device file for USB does not appear /dev/ttyUSB*

With new version 19.7.0rc I could not make my USB cellular (3g) modem dongle to work due to it simply no any serial device like /dev/ttyUSB* file appear with insertion.
In kernel log it appears report about new device insertion and nothing happenings after.
I made several attempts, with ‘modeswitch’ or without and several other ‘mods’ the result is the same no any /dev/ttyUSB*
With other version it was not such problem it appeared exactly three /dev/ttyUSB0 /dev/ttyUSB1 /dev/ttyUSB2 es well as on my Ubuntu 19.04 And Ubuntu 16.04 Ubuntu 18.04

Both router and dongle are USB-2
Actually router is Asus RT-N16
and modem dongle is Alcatel One Touch X090S

P.S. I need this one to be solved to report other bugs. :) commented on 06.12.2019 21:36

It's already 19.07.0-rc2, same problem remains.
I just "forgot", that it is good idea to add a log

Just ones again it's a log after removing and insertion of a usb cellular modem dongle withsame namings of 'kmods' installed as I used with 18.06. (I need 19.07 because of 'tor' 4.*.)


Fri Dec 6 19:12:31 2019 kernel: [ 89.334470] usb 1-2: USB disconnect, device number 3
Fri Dec 6 19:12:36 2019 kernel: [ 94.891669] usb 1-2: new high-speed USB device number 4 using ehci-platform
Fri Dec 6 19:12:37 2019 kern.err kernel: [ 95.973497] usb usb1-port2: disabled by hub (EMI?), re-enabling...
Fri Dec 6 19:12:37 2019 kernel: [ 95.979817] usb 1-2: USB disconnect, device number 4
Fri Dec 6 19:12:38 2019 kernel: [ 96.361757] usb 1-2: new high-speed USB device number 5 using ehci-platform



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