* Aaron Durbin <[email protected]> [131105 18:00]: > 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.
Last I checked that memory was marked reserved by coreboot, so Linux should not use it. Did this change? Stefan -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
