Comment 15 for bug 1804592

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