Lenovo Thinkpad X250

Intel Wireless 7265
See Detailled article.

Emerge

 * Special buttons

Battery thresholds
Modify the init file in order to change the two batteries, else only one battery will be changed:

See also: https://github.com/dywisor/tlp-portage

Suspend/resume
In order to resume properly, your need to have a working TPM:

Total Freeze Using Graphical Acceleration
If you except entire system freeze when using graphical acceleration, you should disable execlists in the kernel cmdline:

i915.enable_execlists=0

Or just disable VT-d processor feature in BIOS.

When booting directly from UEFI (eg. without Grub), set the following kernel variables:

External resources

 * http://www.thinkwiki.org/wiki/Category:X250