Hi, I have the same problem. I can perfectly use this key on a usb2 port. The usb3 port is working, i can use pendrive on this port.
The outputs when the key is plugged on usb3 are: 1) dmesg [40261.131061] usb 2-1: new SuperSpeed USB device number 6 using xhci_hcd [40261.152025] usb 2-1: New USB device found, idVendor=0bda, idProduct=8153 [40261.152035] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [40261.152042] usb 2-1: Product: USB 10/100/1000 LAN [40261.152048] usb 2-1: Manufacturer: Realtek [40261.152053] usb 2-1: SerialNumber: 000001000000 [40261.283522] usb 2-1: reset SuperSpeed USB device number 6 using xhci_hcd [40261.345831] r8152 2-1:1.0 eth0: v1.09.9 [40261.407779] r8152 2-1:1.0 enx9cebe85eac03: renamed from eth0 [40261.433452] IPv6: ADDRCONF(NETDEV_UP): enx9cebe85eac03: link is not ready [40261.437807] IPv6: ADDRCONF(NETDEV_UP): enx9cebe85eac03: link is not ready [40261.471953] usb 2-1: USB disconnect, device number 6 [40261.472042] r8152 2-1:1.0 enx9cebe85eac03: Stop submitting intr, status -108 2) lspci 00:00.0 Host bridge: Intel Corporation Skylake Host Bridge/DRAM Registers (rev 08) 00:02.0 VGA compatible controller: Intel Corporation HD Graphics 520 (rev 07) 00:04.0 Signal processing controller: Intel Corporation Skylake Processor Thermal Subsystem (rev 08) 00:13.0 Non-VGA unclassified device: Intel Corporation Sunrise Point-LP Integrated Sensor Hub (rev 21) 00:14.0 USB controller: Intel Corporation Sunrise Point-LP USB 3.0 xHCI Controller (rev 21) 00:14.2 Signal processing controller: Intel Corporation Sunrise Point-LP Thermal subsystem (rev 21) 00:15.0 Signal processing controller: Intel Corporation Sunrise Point-LP Serial IO I2C Controller #0 (rev 21) 00:15.1 Signal processing controller: Intel Corporation Sunrise Point-LP Serial IO I2C Controller #1 (rev 21) 00:16.0 Communication controller: Intel Corporation Sunrise Point-LP CSME HECI #1 (rev 21) 00:17.0 SATA controller: Intel Corporation Sunrise Point-LP SATA Controller [AHCI mode] (rev 21) 00:1c.0 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #5 (rev f1) 00:1f.0 ISA bridge: Intel Corporation Sunrise Point-LP LPC Controller (rev 21) 00:1f.2 Memory controller: Intel Corporation Sunrise Point-LP PMC (rev 21) 00:1f.3 Audio device: Intel Corporation Sunrise Point-LP HD Audio (rev 21) 00:1f.4 SMBus: Intel Corporation Sunrise Point-LP SMBus (rev 21) 01:00.0 Network controller: Qualcomm Atheros QCA6174 802.11ac Wireless Network Adapter (rev 32) 3) lsb_release -a LSB Version: core-9.20170808ubuntu1-noarch:printing-9.20170808ubuntu1-noarch:security-9.20170808ubuntu1-noarch Distributor ID: Ubuntu Description: Ubuntu 18.04.1 LTS Release: 18.04 Codename: bionic 4) uname -a Linux xxx-inspiron 4.15.0-39-generic #42-Ubuntu SMP Tue Oct 23 15:48:01 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux 5) lsusb Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 005: ID 04f3:2494 Elan Microelectronics Corp. Bus 001 Device 004: ID 0cf3:e007 Atheros Communications, Inc. Bus 001 Device 003: ID 0bda:58c2 Realtek Semiconductor Corp. Bus 001 Device 024: ID 045e:0797 Microsoft Corp. Optical Mouse 200 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1586195 Title: Realtek 8153-based ethernet adapter on usb3 eventually stops working requiring unplug/replug Status in linux package in Ubuntu: Expired Status in linux source package in Xenial: Expired Bug description: Continued in Bug #1622322. Seems to be paired with dmesg entries like this on the trusty kernel: [24763.731054] usb 4-4.2: Disable of device-initiated U1 failed. [24763.734507] usb 4-4.2: Disable of device-initiated U2 failed. [24763.734594] r815x 4-4.2:2.0 eth3: unregister 'r815x' usb-0000:00:14.0-4.2, RTL8153 ECM Device [24763.802963] usb 4-4.2: Set SEL for device-initiated U1 failed. [24763.806450] usb 4-4.2: Set SEL for device-initiated U2 failed. [24763.809953] usb 4-4.2: usb_reset_and_verify_device Failed to disable LTM [24763.809953] . [24763.810579] usb 4-4.2: USB disconnect, device number 7 [24763.940765] userif-1: sent link down event. [24763.940769] userif-1: sent link up event. And like this on mainline: [ 259.731142] usb 4-3: new SuperSpeed USB device number 4 using xhci_hcd [ 259.752915] usb 4-3: New USB device found, idVendor=0bda, idProduct=8153 [ 259.752918] usb 4-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 259.752920] usb 4-3: Product: USB 10/100/1000 LAN [ 259.752921] usb 4-3: Manufacturer: Realtek [ 259.752922] usb 4-3: SerialNumber: 000001000000 [ 259.909368] usb 4-3: reset SuperSpeed USB device number 4 using xhci_hcd [ 259.993254] r8152 4-3:1.0 eth0: v1.08.3 [ 260.079151] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready [ 296.266600] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 300.785814] r8152 4-3:1.0 eth0: Stop submitting intr, status -71 [ 302.832697] usb 4-3: usb_reset_and_verify_device Failed to disable LTM [ 302.832697] . [ 302.833086] usb 4-3: USB disconnect, device number 4 Mainline version fyi: [ 0.000000] Linux version 4.6.0-040600-generic (kernel@gomeisa) (gcc version 5.3.1 20160509 (Ubuntu 5.3.1-19ubuntu1) ) #201605151930 SMP Sun May 15 23:32:59 UTC 2016 I also get a similar message about 'Failed to disable LTM' if I just unplug the device before the breakage occurs. I've attached lsusb before the breakage occurs (so you can see the device) from the mainline kernel. Interestingly it appears the drivers on trusty and wily/mainline are different (r815x vs r8152) yet still exhibit similar troubles. I'm still digging around to try and figure out why this doesn't seem to be working, but I was wondering if you all had any idea what might be going pear-shaped here. Thanks! 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