Comment 28 for bug 1413440

dell latitude 7380, having the same issue, I will try the workaround from comment #26

 ~ $ uname -a
Linux maul 4.15.0-15-generic #16-Ubuntu SMP Wed Apr 4 13:58:14 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
 ~ $ lsb_release -a
LSB Version: core-9.20170808ubuntu1-noarch:security-9.20170808ubuntu1-noarch
Distributor ID: Ubuntu
Description: Ubuntu Bionic Beaver (development branch)
Release: 18.04
Codename: bionic

[170301.135847] ACPI: Waking up from system sleep state S3
[170301.907173] ACPI: EC: event unblocked
[170301.929222] usb usb1: root hub lost power or was reset
[170301.929225] usb usb2: root hub lost power or was reset
[170302.273594] usb 1-5: reset high-speed USB device number 2 using xhci_hcd
[170302.449792] restoring control 00000000-0000-0000-0000-000000000101/10/5
[170302.449795] restoring control 00000000-0000-0000-0000-000000000101/12/11
[170303.165975] [drm] RC6 on
[170304.839647] xhci_hcd 0000:00:14.0: Cannot set link state.
[170304.839723] usb usb2-port2: cannot disable (err = -32)
...
[170304.844725] OOM killer enabled.
[170304.844725] Restarting tasks ...
[170304.848669] usb 2-2: USB disconnect, device number 9
...
[170307.034795] xhci_hcd 0000:00:14.0: xHCI host controller not responding, assume dead
[170307.034810] xhci_hcd 0000:00:14.0: HC died; cleaning up
[170307.034880] usb 1-5: USB disconnect, device number 2