** Tags added: oem-priority originate-from-1880498 somerville
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Title:
When TBT dock is plugged into ICL TBT xHCI, port without device is in
Since it doesn't seem to affect any real functionality, let's close it.
** Changed in: linux (Ubuntu)
Status: Confirmed => Won't Fix
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> Is there any USB3 device connected at all?
No. Only a Thunderbolt Dock is connected.
> Just stays in disabled/Disconnected, as if no device is connected.
Because there's no device connected to it. Actually it seems to be completely
unused.
I wonder if we can disable the Bus 01/02 xHC
I'm not aware of any known issue like this.
Is there any USB3 device connected at all?
The only sign of a connected device is that one time CAS bit is set.
device never reaches enables state (no successful link training), no error,
not going to invalid or compliance state either.
Just stays in
I don't know much about xHCI so Mathias can comment on that. I do
remember seeing messages like:
usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
in the past but not sure if it is only with ICL. It is also weird that
the TCSS xHCI is doing anything if you plug TBT 3 device since USB
Mika, Matthias,
Can you please take a look at the dmesg? If it's a known bug in ICL TBT
firmware/hardware, we can close this issue.
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Title:
firmwares are all up-to-date.
** Attachment added: "fwupdmgr-get-devices"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1878602/+attachment/5371510/+files/fwupdmgr-get-devices
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** Attachment added: "dmesg"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1878602/+attachment/5371507/+files/dmesg
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Title:
When TBT
** Attachment added: "lsusb"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1878602/+attachment/5371509/+files/lsusb
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Title:
When TBT
usb1 and usb2 is root hub of "00:0d.0 USB controller [0c03]: Intel
Corporation Ice Lake Thunderbolt 3 USB Controller [8086:8a13] (rev 03)
(prog-if 30 [XHCI])".
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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lspci -vvnn
** Attachment added: "lspci"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1878602/+attachment/5371508/+files/lspci
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