Make hotplugging docking station to Thunderbolt port more reliable
Bug #1853991 reported by
Kai-Heng Feng
This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
HWE Next |
Fix Released
|
Undecided
|
Unassigned | ||
linux (Ubuntu) |
Fix Released
|
Undecided
|
Unassigned | ||
Bionic |
Won't Fix
|
Undecided
|
Unassigned | ||
Disco |
Won't Fix
|
Undecided
|
Unassigned | ||
Eoan |
Won't Fix
|
Undecided
|
Unassigned | ||
linux-oem (Ubuntu) |
Fix Released
|
Undecided
|
Unassigned | ||
Bionic |
Fix Released
|
Undecided
|
Unassigned | ||
Disco |
Fix Released
|
Undecided
|
Unassigned | ||
Eoan |
Fix Released
|
Undecided
|
Unassigned | ||
linux-oem-osp1 (Ubuntu) |
Fix Released
|
Undecided
|
Unassigned | ||
Bionic |
Fix Released
|
Undecided
|
Unassigned | ||
Disco |
Fix Released
|
Undecided
|
Unassigned | ||
Eoan |
Fix Released
|
Undecided
|
Unassigned |
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.
CVE References
Changed in linux (Ubuntu Bionic): | |
status: | New → Won't Fix |
Changed in linux-oem (Ubuntu Disco): | |
status: | New → Won't Fix |
Changed in linux-oem (Ubuntu Eoan): | |
status: | New → Won't Fix |
tags: | added: oem-priority originate-from-1829107 somerville |
Changed in linux-oem (Ubuntu Bionic): | |
status: | New → Fix Committed |
Changed in linux-oem-osp1 (Ubuntu Bionic): | |
status: | New → Fix Committed |
Changed in linux (Ubuntu Disco): | |
status: | Incomplete → Won't Fix |
Changed in linux-oem (Ubuntu): | |
status: | New → Fix Released |
Changed in hwe-next: | |
status: | New → Fix Released |
Changed in linux (Ubuntu Eoan): | |
status: | Incomplete → Won't Fix |
Changed in linux-oem-osp1 (Ubuntu): | |
status: | New → Fix Released |
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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.