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 1906229
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
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https://bugs.launchpad.net/bugs/1906229
Title:
Refresh ACPI wakeup power to make Thunderbolt hotplug detection work
Status in HWE Next:
New
Status in linux package in Ubuntu:
Incomplete
Status in linux-oem-5.6 package in Ubuntu:
Invalid
Status in linux source package in Focal:
Confirmed
Status in linux-oem-5.6 source package in Focal:
Confirmed
Status in linux source package in Groovy:
Confirmed
Status in linux-oem-5.6 source package in Groovy:
Invalid
Bug description:
[Impact]
Dell Precision 5550 cannot detect Thunderbolt device hotplug.
[Fix]
Refresh ACPI wakeup power if it's already enabled to make GPE work.
[Test]
Make sure the root port of TBT hierachy is in D3cold.
Plug a Thunderbolt Dock or Thunderbolt Disk, the system cannot detect
anything.
With the patch applied, OS can always detect hotplugged Thunderbolt
devices.
[Where problems could occur]
Though we refresh the wakeup device power, we didn't disable/enable ACPI
GPEs, so we won't miss any GPE event from this fix.
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