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I have a network camera, that has a USB port. Every time I plug in the cable it says (from dmesg):

[74305.563588] usb 3-1-port4: attempt power cycle
[74306.167275] usb 3-1.4: new low-speed USB device number 73 using xhci_hcd
[74306.167913] usb 3-1.4: Device not responding to setup address.
[74306.375926] usb 3-1.4: Device not responding to setup address.
[74306.583278] usb 3-1.4: device not accepting address 73, error -71
[74306.663298] usb 3-1.4: new low-speed USB device number 74 using xhci_hcd
[74306.663912] usb 3-1.4: Device not responding to setup address.
[74306.871921] usb 3-1.4: Device not responding to setup address.
[74307.079208] usb 3-1.4: device not accepting address 74, error -71
[74307.079468] usb 3-1-port4: unable to enumerate USB device

ok, from what I have read, this is an over current issue. I put the device on a powered (3Amp) usb hub, But I continue to have the same problem.

The network component of the camera is not something I want to use, it has a call back function that streams to the OEM's server, and that is just not cool with me,

what else might I try to get this thing working via USB? The camera is a guardzilla camera Ok, I did some more sleuthing, and it might be a Kernel Bug, I was reading this Launchpad thread, but it wasnt clear to me that there is a patch, or how to fix it. 

$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 18.04.1 LTS
Release:    18.04
Codename:   bionic

and my kernel is: 4.15.0-30-generic

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3
  • Did you try to use other cable?
    – N0rbert
    Sep 3, 2018 at 12:37
  • yes, I tried various cables, and the hub. It looks like there might be a kernel bug, so Ima update my question
    – j0h
    Sep 3, 2018 at 13:28
  • Also please add output of lsusb -t (with camera attached and recognized) to the question.
    – N0rbert
    Sep 3, 2018 at 13:35

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