** Also affects: linux (Ubuntu Xenial)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1693393
Title:
Power consumption issue on suspend-to-idle(s2idle)
Status in HWE Next:
New
Status in linux package in Ubuntu:
In Progress
Status in linux source package in Xenial:
New
Bug description:
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.
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