On Tue, Nov 5, 2013 at 10:55 AM, Kyösti Mälkki <[email protected]> wrote: > Hi > > A recent discussion I had about google/stout suggested that with the sources > from coreboot git, this board is unable to resume from S3 suspend. > (Argumentation: no EARLY_CBMEM_INIT, no MRC cache, no memory training > results). > > I find it hard to believe this problem would affect production units and I > tried to locate the sources where this is fixed from chromium git, without > success. > > So this question pops on the surface once again: how do I track down, locate > and download the specific revision of coreboot sources for a Chromebook > production unit? I'd like to see fixes like this upstreamed to coreboot git. > > As a related topic: Sandy/ivybridge boards have some low-memory writes on S3 > resume, see use of CBMEM_RESUME_BACKUP and CBMEM_BOOT_MODE in romstage.c. Is > there some argumentation why these writes are safe and do not corrupt OS > memory?
It's my understanding that things are just lucky because Linux reserves that low memory from its use. > > Regards, > Kyösti > > -- > coreboot mailing list: [email protected] > http://www.coreboot.org/mailman/listinfo/coreboot -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot

