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I recently received an XPS 13 9370. After taking a backup for 16.04 (in
case this very thing happened), I installed the daily build of 18.04 as
it didn't really make sense for me to hold on to a distro that'll be
replaced in a couple of months.
I noticed there were a few Dell repositories in sources.list, but non of
them have bionic endpoints (only xenial).
I copied those, in case they would be useful and went to erasing the
disk and installing 18.04. Everything seems to work fine, except the USB
/ Thunderbolt ports. Nothing I try works, whether it be USB or
Thunderbolt 3.
If I look in dmesg, I can see the controller is recognising something,
but it never lands in userspace:
[ 1807.837379] xhci_hcd 0000:39:00.0: Host supports USB 3.1 Enhanced SuperSpeed
[ 1807.837410] usb usb4: New USB device found, idVendor=1d6b, idProduct=0003
[ 1807.837412] usb usb4: New USB device strings: Mfr=3, Product=2,
SerialNumber=1
[ 1807.837413] usb usb4: Product: xHCI Host Controller
[ 1807.837414] usb usb4: Manufacturer: Linux 4.13.0-25-generic xhci-hcd
[ 1807.837416] usb usb4: SerialNumber: 0000:39:00.0
[ 1807.837549] hub 4-0:1.0: USB hub found
[ 1807.837558] hub 4-0:1.0: 2 ports detected
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: bot-comment
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No USB support for Dell XPS 13 9370 running Bionic 18.04
https://bugs.launchpad.net/bugs/1745747
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