Appearing in Ubuntu 22.04 as well: ''''[Mon Jun 12 12:59:44 2023] usb usb8: We don't know the algorithms for LPM for this host, disabling LPM. [Mon Jun 12 12:59:44 2023] usb usb8: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 6.02 [Mon Jun 12 12:59:44 2023] usb usb8: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [Mon Jun 12 12:59:44 2023] usb usb8: Product: xHCI Host Controller [Mon Jun 12 12:59:44 2023] usb usb8: Manufacturer: Linux 6.2.0-20-generic xhci-hcd [Mon Jun 12 12:59:44 2023] usb usb8: SerialNumber: 0000:56:00.0 ''''
This is coming from a Lenovo ThinkPad X1 Yoga Gen 6. I believe this means that the USB controller is simply not identifying itself ? Does this mean we need to contact the mfg to get a firmware patch to have the USB controller(s) identify themselves correctly ? -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1804592 Title: usb usb2: We don't know the algorithms for LPM for this host, disabling LPM. Status in linux package in Ubuntu: Confirmed Bug description: [ 0.876087] usb usb2: We don't know the algorithms for LPM for this host, disabling LPM. [ 0.876099] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 4.18 [ 0.876100] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 0.876101] usb usb2: Product: xHCI Host Controller [ 0.876102] usb usb2: Manufacturer: Linux 4.18.0-10-generic xhci-hcd [ 0.876103] usb usb2: SerialNumber: 0000:15:00.0 [ 0.876206] hub 2-0:1.0: USB hub found [ 0.876215] hub 2-0:1.0: 4 ports detected To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1804592/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
