This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1853991
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Changed in: linux (Ubuntu Disco)
Status: New => Incomplete
** Changed in: linux (Ubuntu Eoan)
Status: New => Incomplete
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Packages, which is subscribed to linux-oem in Ubuntu.
https://bugs.launchpad.net/bugs/1853991
Title:
Make hotplugging docking station to Thunderbolt port more reliable
Status in HWE Next:
New
Status in linux package in Ubuntu:
Incomplete
Status in linux-oem package in Ubuntu:
New
Status in linux source package in Bionic:
Won't Fix
Status in linux-oem source package in Bionic:
New
Status in linux source package in Disco:
Incomplete
Status in linux-oem source package in Disco:
Won't Fix
Status in linux source package in Eoan:
Incomplete
Status in linux-oem source package in Eoan:
Won't Fix
Bug description:
[Impact]
Sometimes USB ports and USB ethernet on Thunderbolt Docking don't work
after hotplugging.
[Fix]
Add proper link delay when PCIe devices transit out from D3cold.
[Test]
Tested with Dell WD19DC docking station on Dell XPS 9380. After applying
the fix, the USB ports on docking always work after hotplugging.
[Regression Potential]
Low. This patch series adds proper delay required by PCIe spec, and only
affects hotplug ports, i.e. Thunderbolt.
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