Hi Geert-san, > From: Geert Uytterhoeven, Sent: Wednesday, June 5, 2019 4:03 PM > > Hi Shimoda-san, > > On Wed, Jun 5, 2019 at 6:06 AM Yoshihiro Shimoda > <yoshihiro.shimoda.uh@xxxxxxxxxxx> wrote: > > > From: Geert Uytterhoeven, Sent: Wednesday, June 5, 2019 3:06 AM > > > Using a tree based on renesas-drivers-2019-06-04-v5.2-rc3, I started seeing > > > the following warning during a second system suspend (s2idle): > > <snip> > > > So far I've seen this on Salvator-X with R-Car H3 ES1.0 or M3-W, and > > > on Salvator-XS with R-Car M3-N, but not (yet?) on H3 ES2.0. > > > > I could reproduce this issue on R-Car H3 ES3.0 with Suspend-to-RAM. > > # I'm silly but I could not use s2idle that didn't wake up by ravb. > > # https://elinux.org/R-Car/Boards/Salvator-X#Suspend-to-Idle > > With CONFIG_PM_DEBUG=y and CONFIG_PM_TEST_SUSPEND=y, you can use > > echo platform > /sys/power/pm_test > > to configure the system to wake up from s2idle after 5 seconds. > This allows to loop s2idle without user intervention. Thank you for explanation! I could use it on my environment. Best regards, Yoshihiro Shimoda