Dell Precision 5510 ( pretty much the same as the XPS15) i7-6820HQ, Samsung M.2 PM971 (NVMe) Fedora 23, Rawhide kernel - 4.6.0-0.rc6.git1.1.fc25.x86_64
I was only getting to c3 ( package ), but managed to get to C8 by disabling the Nvidia Quadro, once I found out where to get bbswitch-dkms from
Power management, mobile and firmware developer on Linux. Security developer at Aurora. Ex-biologist. mjg59 on Twitter. Content here should not be interpreted as the opinion of my employer. Also on Mastodon.
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Dell Precision 5510, i7-6820HQ, Fedora 23
Date: 2016-05-05 12:09 pm (UTC)i7-6820HQ,
Samsung M.2 PM971 (NVMe)
Fedora 23, Rawhide kernel - 4.6.0-0.rc6.git1.1.fc25.x86_64
I was only getting to c3 ( package ), but managed to get to C8 by disabling the Nvidia Quadro, once I found out where to get bbswitch-dkms from
https://fedoraproject.org/wiki/Bumblebee
For anyone wanting to repeat ..
dnf -y --nogpgcheck install http://install.linux.ncsu.edu/pub/yum/itecs/public/bumblebee/fedora23/noarch/bumblebee-release-1.2-1.noarch.rpm
dnf install bbswitch-dkms
modprobe bbswitch
echo OFF > /proc/acpi/bbswitch
Package
C2 (pc2) 4.8%
C3 (pc3) 2.6%
C6 (pc6) 3.9%
C7 (pc7) 0.0%
C8 (pc8) 18.4%
C9 (pc9) 0.0%
C10 (pc10) 0.0