I've tried the fix supplied, but that keeps resulting in the same error. This is with a USB-C dongle connected, and a mouse connected to the dongle.
jeffrey@w0lf ~ $ sudo fwupdmgr install eac3961ba9bd466f6e34d9276c27d524395d7c3c-NN1TN_NVM21.00.cab Decompressing… [- ] could not find thunderbolt device at /sys/devices/pci0000:00/0000:00:1c.0/0000:01:00.0/0000:02:00.0/0000:03:00.0/domain0/0-0 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1741509 Title: Thunderbolt updates on Dell systems fail to apply if nothing connected To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/fwupd/+bug/1741509/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs