Public bug reported:
The power consumption is pretty high(8Watt) during suspend-to-idle mode
under Xenial.
1. It consumes 8Watt under 4.4 kernel
2. It consumes 4Watt under 4.8 kernel
3. It consumes 2Watt under 4.11 kernel
There are essential patches in 4.8 and 4.11 kernels, they are
In 4.8
9d26d3a PCI: Put PCIe ports into D3 during suspend
In 4.11
8d2c453 platform/x86: dell-laptop: Add Latitude 7480 and others to the DMI
whitelist
We need these 2 commits to have better s2idle support.
** Affects: linux (Ubuntu)
Importance: Undecided
Assignee: AceLan Kao (acelankao)
Status: In Progress
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https://bugs.launchpad.net/bugs/1693393
Title:
Power consumption issue on suspend-to-idle(s2idle)
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