I have identified this as a RAZER Core X Chroma USB port available
across the Thunderbolt 3 connection.
By disconnecting and connecting I see the mfg is set , and this is
indeed on the RAZER Core X Chroma, device 8:
$ lsusb
Bus 007 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 004
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
Similar issue observed, motherboard Asus B650 Prime Plus
$ neofetch
`:+shmNNMMNNmhs+:`
.odMMdo.
/dMMMmd/ OS: Ubuntu MATE 22.10 x86_64
:mM/`/yNMMm: Kernel:
Description:Ubuntu 20.04.4 LTS
Linux linux 5.13.0-35-generic #40~20.04.1-Ubuntu SMP Mon Mar 7 09:18:32 UTC
2022 x86_64 x86_64 x86_64 GNU/Linux
Mar 11 10:43:28 linux kernel: [1.578010] usb usb6: We don't know the
algorithms for LPM for this host, disabling LPM.
Mar 11 10:43:28 linux
This issue is still present in Ubuntu 20.04.3 LTS running the
5.4.0-81-generic kernel.
[0.725170] xhci_hcd :02:00.0: xHCI Host Controller
[0.725172] xhci_hcd :02:00.0: new USB bus registered, assigned bus
number 4
[0.725174] xhci_hcd :02:00.0: Host supports USB 3.1
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 :2a:00.1: Host supports USB 3.1 Enhanced SuperSpeed
[2.692298] scsi host4: ahci
[2.692527] usb usb2: We don't
Jan 06 18:52:01 pacnow-envy kernel: usb usb8: We don't know the algorithms for
LPM for this host, disabling LPM.
Jan 06 18:52:01 pacnow-envy kernel: usb usb8: New USB device found,
idVendor=1d6b, idProduct=0003, bcdDevice= 5.03
Jan 06 18:52:01 pacnow-envy kernel: usb usb8: New USB device
dmesg of kernel 4.18.0-11-generic
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1804589/+attachment/5216936/+files/4.18.0-11-generic%20dmesg
dmesg of kernel 4.20.0-rc4-generic
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1804589/+attachment/5216937/+files/4.20-rc4%20dmesg
**
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
** Tags added: kernel-bug-exists-upstream
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https://bugs.launchpad.net/bugs/1804592
Title:
usb usb2:
The issue remains with mainline kernel v4.20-rc4, here is the warnings during
the installation. kgd2kfd_probe failed error seems gone with the new kernel.
Processing triggers for linux-image-unsigned-4.20.0-042000rc4-generic
(4.20.0-042000rc4.201811252331) ...
Did this issue start happening after an update/upgrade? Was there a
prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.20
** Attachment added: "dmesg.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1804592/+attachment/5216060/+files/dmesg.txt
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** Attachment added: "procinterrupts"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1804592/+attachment/5216058/+files/procinterrupts
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** Attachment added: "UdevDb"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1804592/+attachment/5216056/+files/UdevDb
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https://bugs.launchpad.net/bugs/1804592
More info in the bug reported early.
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1804591
** Attachment added: "uname-a.log"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1804592/+attachment/5216051/+files/uname-a.log
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** Attachment added: "lsusb"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1804592/+attachment/5216055/+files/lsusb
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** Attachment added: "procmodules"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1804592/+attachment/5216059/+files/procmodules
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** Attachment added: "CRDA"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1804592/+attachment/5216057/+files/CRDA
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Title:
** Package changed: libusb (Ubuntu) => linux (Ubuntu)
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Title:
usb usb2: We don't know the algorithms for LPM for this host,
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