Public bug reported:
[Impact]
If mac passthrough is enbled, Realtek USB ethernet (r8152) doesn't work
under the following steps:
1. Connect to a Dell dock
2. Suspend the system
3. Re-plug the dock
4. Resume the system
5. Ethernet stops working
[Fix]
The USB port lose its power when the dock gets replugged, so we need to
re-write the MAC address at reset_resume callback.
[Test]
The fix is succesfully tested on Dell WD15 dock and TB16 dock.
[Regression Potential]
Low. The fix limits to one single device and only take affect when MAC
passthrough is enabled.
** Affects: hwe-next
Importance: Undecided
Status: New
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Incomplete
** Affects: linux-oem (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux-oem-osp1 (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: Incomplete
** Affects: linux-oem (Ubuntu Bionic)
Importance: Undecided
Status: New
** Affects: linux-oem-osp1 (Ubuntu Bionic)
Importance: Undecided
Status: New
** Affects: linux (Ubuntu Disco)
Importance: Undecided
Status: Incomplete
** Affects: linux-oem (Ubuntu Disco)
Importance: Undecided
Status: Won't Fix
** Affects: linux-oem-osp1 (Ubuntu Disco)
Importance: Undecided
Status: Won't Fix
** Affects: linux (Ubuntu Eoan)
Importance: Undecided
Status: Incomplete
** Affects: linux-oem (Ubuntu Eoan)
Importance: Undecided
Status: Won't Fix
** Affects: linux-oem-osp1 (Ubuntu Eoan)
Importance: Undecided
Status: Won't Fix
** Tags: oem-priority originate-from-1846190 somerville
** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Eoan)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Disco)
Importance: Undecided
Status: New
** Also affects: linux-oem (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux-oem-osp1 (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux-oem (Ubuntu Disco)
Status: New => Won't Fix
** Changed in: linux-oem (Ubuntu Eoan)
Status: New => Won't Fix
** Changed in: linux-oem-osp1 (Ubuntu Disco)
Status: New => Won't Fix
** Changed in: linux-oem-osp1 (Ubuntu Eoan)
Status: New => Won't Fix
** Tags added: oem-priority originate-from-1846190 somerville
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https://bugs.launchpad.net/bugs/1847063
Title:
Fix non-working Realtek USB ethernet after system resume
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