Phone wakes up after being powered off
Łukasz Pankowski
lukpank at o2.pl
Wed May 23 15:12:14 CEST 2012
ed at kapitein.org writes:
> ------------------------------------------------------------------------------------
>
> Hello Ed,
>
> Thanks for your replies.
>
> Unfortunately the man command doesn't work with rtcwake on the phone
> (but does with other software, e.g. 7zr). A specific command to try
> would be very helpful. On the desktop running as root "rtcwake -m show"
> shows the alarms that are on (but this command does not work on the
> phone, specifically on QtMoko v26).
>
> I noticed the issue regarding the phone turning itself on was reported
> in Android on Freerunner's bug tracker here:
> http://code.google.com/p/android-on-freerunner/issues/detail?id=24
>
> trevi55 suggested to switch off alarms and update hardware clock. I'll
> try this (using "echo -e "W\n" > /var/spool/at/trigger").
Are you using original atd or atd-over-fso? atd-over-fso has the
following bug (which I have not fixed and it may be related): if you set
an alarm at time t0 and t0 happens to be the next alarm and then you
remove alarm t0 and a later alarm will become the next alarm
atd-over-fso will nevertheless wake up the phone at time t0.
>
> Alon.
>
> --------------------------------------------------------------------------
>
>
>
> Hi Alon,
>
>
>
> check if you can use:
>
> /usr/sbin/rtcwake --verbose --seconds 1 --mode disable
>
>
>
> Or if disable is not available in your version of rtcwake:
>
>
>
> /usr/sbin/rtcwake --verbose --seconds 1 --mode no
>
> Using UTC time.
>
> delta = 1
>
> tzone = 0
>
> tzname = UTC
>
> systime = 1337703739, (UTC) Tue May 22 16:22:19 2012
>
> rtctime = 1337703738, (UTC) Tue May 22 16:22:18 2012
>
> alarm 0, sys_time 1337703739, rtc_time 1337703738, seconds 1
>
> rtcwake: wakeup from "no" using /dev/rtc0 at Tue May 22 16:22:20 2012
>
>
>
> And you can check the RTC with:
>
> cat /proc/driver/rtc
>
>
>
> rtc_time : 16:25:13
>
> rtc_date : 2012-05-22
>
> alrm_time : 16:22:20
>
> alrm_date : 2012-05-22
>
> alarm_IRQ : yes
>
> alrm_pending : yes
>
> 24hr : yes
>
>
>
> And see if it has any effect.
>
>
>
> Kind regards,
>
> Ed
>
>
>
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