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The problem appears like this: > [ 2.672381] xhci_hcd 0000:02:00.0: Refused to change power state, > currently in D3 [ 2.672452] xhci_hcd 0000:02:00.0: xHCI Host Controller > [ 2.672460] xhci_hcd 0000:02:00.0: new USB bus registered, assigned bus > number 8 [ 2.672469] xhci_hcd 0000:02:00.0: Host halt failed, -19 > [ 2.672470] xhci_hcd 0000:02:00.0: can't setup: -19 > [ 2.672508] xhci_hcd 0000:02:00.0: USB bus 8 deregistered > [ 2.672533] xhci_hcd 0000:02:00.0: init 0000:02:00.0 fail, -19 The USB3-controller worked and was hot-pluggable with stock kernel 4.9, but not with kernel 4.16, with ubuntu 18.04 it is exactly the same thing, there are several offerings regarding the issue on the web, but the fix does not seem to be trivial, at least I cannot see the solution yet: It is the xhci_pci module: > > 02:00.0 0c03: 1912:0015 (rev ff) (prog-if ff) > > !!! Unknown header type 7f > > Kernel modules: xhci_pci here are some proposals: https://unix.stackexchange.com/questions/276439/nvme-pcie-disk-power-cycling https://help.ubuntu.com/community/Asus_U36SD https://ask.fedoraproject.org/en/question/41436/usb30-is-not-functional-due-to-xhci_hcd-cant-setup-on-fedora-20/ This does not help: > root@OptiPlex-580:/home/user# cat /etc/default/grub > # If you change this file, run 'update-grub' afterwards to update > # /boot/grub/grub.cfg. > # For full documentation of the options in this file, see: > # info -f grub -n 'Simple configuration' > > GRUB_DEFAULT=0 > GRUB_HIDDEN_TIMEOUT=0 > GRUB_HIDDEN_TIMEOUT_QUIET=true > GRUB_TIMEOUT=10 > GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian` > GRUB_CMDLINE_LINUX_DEFAULT="quiet splash xhci.enable=1" > GRUB_CMDLINE_LINUX="" > -----BEGIN PGP SIGNATURE----- iF0EARECAB0WIQTF9uNaslvnJpWt8kXn6sEfJS3nCwUCWzx3WgAKCRDn6sEfJS3n CzHCAKC1fNQoikoBwwXwE3ANO72o4VVTzwCgtBO5c5MVNsKAa9bstJWFxAYkIM0= =/TZG -----END PGP SIGNATURE-----
