Fix system sleep on TGL systems with Intel ME
Bug #1919321 reported by
Kai-Heng Feng
This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
HWE Next |
Fix Released
|
Undecided
|
Unassigned | ||
linux-oem-5.10 (Ubuntu) |
Invalid
|
Undecided
|
Unassigned | ||
Focal |
Fix Released
|
High
|
Unassigned |
Bug Description
[Impact]
On TGL systems, PCI devices stops working after system resume. One
notable case is that USB controller stops working after s2idle.
[Fix]
Serialize e1000e PM ops and makes e1000e is the last to suspend the
first to resume.
[Test]
Issue is not reproducible on 3000 cycles suspend tests.
[Where problems could occur]
Suspend and resume will be a bit slower. Other than that there's no real
behavior change.
tags: | added: oem-priority originate-from-1910517 somerville |
Changed in linux-oem-5.10 (Ubuntu): | |
status: | New → Confirmed |
status: | Confirmed → Invalid |
Changed in linux-oem-5.10 (Ubuntu Focal): | |
status: | New → Confirmed |
importance: | Undecided → High |
Changed in linux-oem-5.10 (Ubuntu Focal): | |
status: | Confirmed → Fix Committed |
tags: |
added: verification-done-focal removed: verification-needed-focal |
Changed in hwe-next: | |
status: | New → Fix Released |
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This bug is awaiting verification that the kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification- needed- focal' to 'verification- done-focal' . If the problem still exists, change the tag 'verification- needed- focal' to 'verification- failed- focal'.
If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.
See https:/ /wiki.ubuntu. com/Testing/ EnableProposed for documentation how to enable and use -proposed. Thank you!