I am also looking for this functionnality for the kernel 3.8 or 3.14. On Friday, April 22, 2016 at 10:36:06 AM UTC-4, [email protected] wrote: > > > On Thursday, April 21, 2016 at 6:26:19 PM UTC-4, William Hermans wrote: >> >> I can tell you that using kernel 4.1.x >> https://www.linux.com/learn/wake-linux-rtc-alarm-clock works. I'm not >> sure that rtc wake timer is related to the one you're asking. However, I >> can tell you that once the main am335x processor loses power, or the >> ability to act from being in sleep mode, the RTC on the processor die will >> no longer function correctly. There has been some discussion on these >> forums about this in the past, and I do believe there was actually an >> errata on this as well. >> >> > I am just trying to put the system in the "mem" sleep/suspend state and > have a timer wake the system back up. Using the rtcwake command (and "mem" > mode) does work, but when I create a timer with timerfd (instead of using > the /dev/rtc0 device directly like rtcwake does) it does not work. It seems > like there might be a wake source or something missing. >
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