Public bug reported:
[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.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux-oem (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: Won't Fix
** Affects: linux-oem (Ubuntu Bionic)
Importance: Undecided
Status: New
** Affects: linux (Ubuntu Disco)
Importance: Undecided
Status: New
** Affects: linux-oem (Ubuntu Disco)
Importance: Undecided
Status: Won't Fix
** Affects: linux (Ubuntu Eoan)
Importance: Undecided
Status: New
** Affects: linux-oem (Ubuntu Eoan)
Importance: Undecided
Status: Won't Fix
** Also affects: linux-oem (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
** Also affects: linux-oem (Ubuntu Bionic)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Eoan)
Importance: Undecided
Status: New
** Also affects: linux-oem (Ubuntu Eoan)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Disco)
Importance: Undecided
Status: New
** Also affects: linux-oem (Ubuntu Disco)
Importance: Undecided
Status: New
** 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
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https://bugs.launchpad.net/bugs/1853991
Title:
Make hotplugging docking station to Thunderbolt port more reliable
Status in linux package in Ubuntu:
New
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:
New
Status in linux-oem source package in Disco:
Won't Fix
Status in linux source package in Eoan:
New
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.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1853991/+subscriptions
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