I am now running Ubuntu 20.04 with kernel version 5.4.0-37-generic and have
reproduced the bug after running the command
# echo "file drivers/pci/* +p" > /sys/kernel/debug/dynamic_debug/control
as was requested. Attached is the dmesg log.
Attached to the Thunderbolt hub are an iphone and an
I tried installing the deb files
linux-headers-5.4.0-050400rc8_5.4.0-050400rc8.201911171930_all.deb
linux-headers-5.4.0-050400rc8-generic_5.4.0-050400rc8.201911171930_amd64.deb
linux-image-unsigned-5.4.0-050400rc8-generic_5.4.0-050400rc8.201911171930_amd64.deb
Please test latest mainline kernel:
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.4-rc8/
Under v5.4-rc8, run
# echo "file drivers/pci/* +p" > /sys/kernel/debug/dynamic_debug/control
And attach dmesg when this issue happens again.
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I guess the manufacturer calls it a dock even though the computer does
not actually dock into it, it attaches via a Thunderbolt 3 cable which I
guess is different than USB-C . Sorry for the mistake.
This entry in the lspci:
40:00.0 Ethernet controller [0200]: Intel Corporation I210 Gigabit
Seems like it's a Thunderbolt Dock comes with Intel I210 ethernet?
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https://bugs.launchpad.net/bugs/1853061
Title:
Connection to USB-C hub frequently drops when charging over it
To
