Public bug reported:
[Impact]
1. Cold boot system to desktop
2. Press power button to suspend the system
3. Press power button to resume the system.
4. Check the log, you will only find
e1000e 0000:00:1f.6 eno2: Hardware Error
5. Press power button to suspend the system again
6. System will *auto resume* from the suspend. Then check the logs, you
*will find* follow logs.
[ 120.895527] PM: pci_pm_suspend(): e1000e_pm_suspend+0x0/0x730
[e1000e] returns -2
[ 120.895529] PM: dpm_run_callback(): pci_pm_suspend+0x0/0x150
returns -2
[ 120.895530] PM: Device 0000:00:1f.6 failed to suspend async: error
-2
[ 121.539907] PM: Some devices failed to suspend, or early wake
event detected
[Fix]
Four patches from upstream list.
e1000e: fix S0ix flow to allow S0i3.2 subset entry
e1000e: allow turning s0ix flows on for systems with ME
e1000e: Add Dell's Comet Lake systems into s0ix heuristics
e1000e: Add more Dell CML systems into s0ix heuristics
[Test case]
Repeat above.
Not really an SRU as the target is the unstable/devel kernel and oem-5.10 for
focal (-oem-20.04-edge).
** Affects: linux (Ubuntu)
Importance: Undecided
Status: In Progress
** Changed in: linux (Ubuntu)
Status: New => In Progress
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https://bugs.launchpad.net/bugs/1902687
Title:
e1000e: fix issues with S01x
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