On "Linux redacted-ubuntu 5.8.0-36-generic #40~20.04.1-Ubuntu SMP Wed Jan 6 10:15:55 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux"
dmesg | grep -C 2 "LPM" [ 2.687696] xhci_hcd 0000:2a:00.1: Host supports USB 3.1 Enhanced SuperSpeed [ 2.692298] scsi host4: ahci [ 2.692527] usb usb2: We don't know the algorithms for LPM for this host, disabling LPM. [ 2.696864] scsi host5: ahci [ 2.699176] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.08 -- [ 2.796162] xhci_hcd 0000:2a:00.3: new USB bus registered, assigned bus number 4 [ 2.799843] xhci_hcd 0000:2a:00.3: Host supports USB 3.1 Enhanced SuperSpeed [ 2.801657] usb usb4: We don't know the algorithms for LPM for this host, disabling LPM. [ 2.803482] usb usb4: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.08 [ 2.805284] usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=1 -- [ 2.840321] xhci_hcd 0000:2f:00.3: new USB bus registered, assigned bus number 6 [ 2.842044] xhci_hcd 0000:2f:00.3: Host supports USB 3.1 Enhanced SuperSpeed [ 2.843791] usb usb6: We don't know the algorithms for LPM for this host, disabling LPM. [ 2.845547] usb usb6: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.08 [ 2.847296] usb usb6: New USB device strings: Mfr=3, Product=2, SerialNumber=1 -- 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
