Phone wakes up after being powered off

ed at kapitein.org ed at kapitein.org
Wed May 23 14:57:40 CEST 2012


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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").

Alon.
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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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