Public bug reported:
SRU justification:
[Impact]
igc driver can not connect to network after re-plugin thunderbolt dock when
MAC passthrough enabled in BIOS.
[Fix]
Wait for the MAC copy of BIOS when enabled MAC passthrough.
Intel engineer wants a different solution and promise to discuss with firmware
engineer.
Due to the schedule, made this as a short term solution to fix the issue, and
wait for the other
fix from Intel.
[Test]
Verified on hardware, after hotplug the thunderbolt cable,
Ethernet works fine.
[Where problems could occur]
It may break the igc driver.
** Affects: hwe-next
Importance: Undecided
Status: New
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux-oem-5.13 (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux-oem-5.14 (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux-oem-5.13 (Ubuntu Focal)
Importance: Undecided
Status: New
** Affects: linux-oem-5.14 (Ubuntu Focal)
Importance: Undecided
Status: New
** Affects: linux (Ubuntu Hirsute)
Importance: Undecided
Status: New
** Tags: oem-priority originate-from-1942744 originate-from-1942746 sutton
** Also affects: linux (Ubuntu Hirsute)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.13 (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.14 (Ubuntu)
Importance: Undecided
Status: New
** No longer affects: linux-oem-5.13 (Ubuntu Hirsute)
** No longer affects: linux-oem-5.14 (Ubuntu Hirsute)
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.13 (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.14 (Ubuntu Focal)
Importance: Undecided
Status: New
** No longer affects: linux (Ubuntu Focal)
** Tags added: oem-priority originate-from-1942746 sutton
** Tags added: originate-from-1942744
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https://bugs.launchpad.net/bugs/1942999
Title:
[SRU][H/OEM-5.13/OEM-5.14/U] Fix invalid MAC address after hotplug tbt
dock
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