** Changed in: hwe-next
Status: New => Fix Released
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Packages, which is subscribed to linux-oem-5.6 in Ubuntu.
https://bugs.launchpad.net/bugs/1906229
Title:
Refresh ACPI wakeup power to make Thunderbolt hotplug detection work
Status in HWE Next:
Fix Released
Status in linux package in Ubuntu:
Fix Released
Status in linux-oem-5.6 package in Ubuntu:
Invalid
Status in linux source package in Focal:
Fix Released
Status in linux-oem-5.6 source package in Focal:
Fix Released
Status in linux source package in Groovy:
Fix Released
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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