On Mon, Mar 26, 2007 at 09:25:51AM +0800, Jeff Chua wrote: > On 3/19/07, Adrian Bunk <bunk@xxxxxxxxx> wrote: > > >Subject : ThinkPad doesn't resume from suspend to RAM > >References : http://lkml.org/lkml/2007/2/27/80 > > http://lkml.org/lkml/2007/2/28/348 > >Submitter : Jens Axboe <jens.axboe@xxxxxxxxxx> > > Jeff Chua <jeff.chua.linux@xxxxxxxxx> > >Status : unknown > > > > > >Subject : suspend to disk hangs > >References : http://lkml.org/lkml/2007/3/6/142 > >Submitter : Jeff Chua <jeff.chua.linux@xxxxxxxxx> > >Status : unknown > > The good news is on 2.6.21-rc5, suspend to disk, and resume from disk works. > But, it only works with CONFIG_NO_HZ unset. Thanks for this information. > Setting CONFIG_NO_HZ will cause suspend to disk to hang just before > saving memory to disk. Thanks, noted. > Resume from RAM (s2ram) still broke (tried with or without > CONFIG_NO_HZ). Suspend to RAM seems ok, but upon resume, the screen > will only display "inu" and only after pressing the power button will > the system return to console. But "date" still doesn't advance. This might be related to the following regression: Subject : first disk access after resume takes several minutes ('date' does not advance after resume from RAM, CONFIG_NO_HZ=n) References : http://lkml.org/lkml/2007/3/8/117 http://lkml.org/lkml/2007/3/25/20 Submitter : Michael S. Tsirkin <mst@xxxxxxxxxxxxxx> Handled-By : Thomas Gleixner <tglx@xxxxxxxxxxxxx> Ingo Molnar <mingo@xxxxxxx> Status : problem is being debugged > Thanks, > Jeff. cu Adrian -- "Is there not promise of rain?" Ling Tan asked suddenly out of the darkness. There had been need of rain for many days. "Only a promise," Lao Er said. Pearl S. Buck - Dragon Seed _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
