[Bug 219198] usb on Dell WD19TB Thunderbolt Dock stop working

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=219198

--- Comment #10 from Markus Rathgeb (maggu2810@gmail.com) ---
Forget the bisect.

I currently tested the another commit.

I started the laptop without the dock attached.
In a Wayland session I opened a terminal to look at the kernel messages.
I plugged in the dock.
All loooks good.
The USB keyboard attached to the dock is working.
Before I entered "git bisect good" I had the idee to test again.
I disconnected the dock, waited a moment
I connected the dock again
Now the lines
Aug 27 11:51:07 b0v9by3 kernel: DMAR: DRHD: handling fault status reg 2
Aug 27 11:51:07 b0v9by3 kernel: DMAR: [DMA Read NO_PASID] Request device
[04:00.0] fault addr 0xffffe000 [fault reason 0x0c] non-zero reserved fields in
PTE
are part of the kernel log
additional the USB keyboard attached to the dock are not recognized again

So, we need to disconnect and reconnect the dock at least once to run into the
error.

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