I have the same bug on Dell Precision 5520 and Ubuntu 17.04 with either officially supported kernel 4.10.0-21 as well as mainline kernel 4.11.1.
[ 0.037469] ACPI Error: [\_SB_.PCI0.XHC_.RHUB.HS11] Namespace lookup failure, AE_NOT_FOUND (20170119/dswload-210) [ 0.037476] ACPI Exception: AE_NOT_FOUND, During name lookup/catalog (20170119/psobject-227) [ 0.037516] ACPI Exception: AE_NOT_FOUND, (SSDT:xh_rvp11) while loading table (20170119/tbxfload-228) [ 0.040436] ACPI Error: 1 table load failures, 12 successful (20170119/tbxfload-246) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1584407 Title: ACPI Error: [\_SB_.PCI0.XHC_.RHUB.HS11] Namespace lookup failure, AE_NOT_FOUND (20150930/dswload-210) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1584407/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
