[coreboot] What is needed in dsdt to enable S4(Besides \_S4)

Tobias Diedrich ranma+coreboot at tdiedrich.de
Wed Mar 16 17:49:07 CET 2011

Bao, Zheng wrote:
> I have \_S4 in my dsdt.asl.  But the dmesg only reports:
> ACPI: (supports S0 S1 S2 S3 S5)
> And cat /sys/power/state only says:
> Standby mem

S4 is not used for suspend to disk in Linux AFAIK.
You just need to compile in suspend to disk support and specify a
resume partition on the kernel command line (Usually your swap

Tobias						PGP: http://8ef7ddba.uguu.de

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