[mirror_ubuntu-jammy-kernel.git] / Documentation / power / tricks.rst

================
swsusp/S3 tricks
================

Pavel Machek <pavel@ucw.cz>

If you want to trick swsusp/S3 into working, you might want to try:

* go with minimal config, turn off drivers like USB, AGP you don't
  really need

* turn off APIC and preempt

* use ext2. At least it has working fsck. [If something seems to go
  wrong, force fsck when you have a chance]

* turn off modules

* use vga text console, shut down X. [If you really want X, you might
  want to try vesafb later]

* try running as few processes as possible, preferably go to single
  user mode.

* due to video issues, swsusp should be easier to get working than
  S3. Try that first.

When you make it work, try to find out what exactly was it that broke
suspend, and preferably fix that.
Commit	Line	Data
151f4e2b MCC	1	================
	2	swsusp/S3 tricks
	3	================
	4
a2531293	5	Pavel Machek <pavel@ucw.cz>
1da177e4 LT	6
	7	If you want to trick swsusp/S3 into working, you might want to try:
	8
	9	* go with minimal config, turn off drivers like USB, AGP you don't
	10	really need
	11
	12	* turn off APIC and preempt
	13
53cb4726	14	* use ext2. At least it has working fsck. [If something seems to go
1da177e4 LT	15	wrong, force fsck when you have a chance]
	16
	17	* turn off modules
	18
	19	* use vga text console, shut down X. [If you really want X, you might
	20	want to try vesafb later]
	21
	22	* try running as few processes as possible, preferably go to single
	23	user mode.
	24
	25	* due to video issues, swsusp should be easier to get working than
	26	S3. Try that first.
	27
	28	When you make it work, try to find out what exactly was it that broke
	29	suspend, and preferably fix that.