Public bug reported:
[Impact]
After hot-plug the Ethernet cable, the status of Ethernet is always down.
[Fix]
Because ASPM is enabled on RTL8106E, the link change interrupt can't be fired
immediately.
Need to wait a long time to get the link change interrupt.
Introduce a polling method to watch the link status and disable the link change
interrupt for RTL8106E.
Due to schedule, SRU this patch first and will upstream later.
[Test]
Verified on machines with Realtek Ethernet device, the Ethernet works well
after hotplug 30 times.
[Regression Potential]
High, may have some cases missed in link change polling method and will fix
them in the future.
** Affects: hwe-next
Importance: Undecided
Status: New
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux-oem-5.10 (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Affects: linux-oem-5.10 (Ubuntu Focal)
Importance: Undecided
Assignee: koba (kobako)
Status: In Progress
** Tags: oem-priority originate-from-1921898 somerville
** Also affects: linux-oem-5.10 (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.10 (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: linux-oem-5.10 (Ubuntu Focal)
Assignee: (unassigned) => koba (kobako)
** Changed in: linux-oem-5.10 (Ubuntu Focal)
Status: New => In Progress
** Tags added: oem-priority originate-from-1921898 somerville
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https://bugs.launchpad.net/bugs/1930645
Title:
Fix Ethernet not working by hotplug - RTL8106E
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