** Changed in: linux (Ubuntu Disco)
Status: Incomplete => Won't Fix
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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:
Fix Released
Status in linux-oem package in Ubuntu:
New
Status in linux-oem-osp1 package in Ubuntu:
New
Status in linux source package in Bionic:
Won't Fix
Status in linux-oem source package in Bionic:
Fix Released
Status in linux-oem-osp1 source package in Bionic:
Fix Released
Status in linux source package in Disco:
Won't Fix
Status in linux-oem source package in Disco:
Fix Released
Status in linux-oem-osp1 source package in Disco:
Fix Released
Status in linux source package in Eoan:
Incomplete
Status in linux-oem source package in Eoan:
Fix Released
Status in linux-oem-osp1 source package in Eoan:
Fix Released
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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