I booted into kernel 5.13.0-051300-generic and see no change in
behavior.
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https://bugs.launchpad.net/bugs/1983787
Title:
USB hub only works in USB2 ports
Here is the full dmesg log during my fooling around.
** Attachment added: "dmesg-full.txt"
https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe-5.15/+bug/1983787/+attachment/5607363/+files/dmesg-full.txt
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Agreed that loading an older kernel might give some interesting info,
but it might not be until later this week that I can re-image my machine
and get that to you. In the meantime, here is the dmesg info, and my
observations:
At 219.322795, I disconnect from the USB2 port, plug into USB3 at
Can you boot into an older kernel and see if it works right there? Also,
it might be interesting if you could plug in your hub into a USB 3 port,
try to use it, unplug it, then run "sudo dmesg > dmesg.txt" in a
terminal and attach the dmesg.txt file generated by doing this. That
will give us info
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