[mythtv-users] wakeup

Bill Meek keemllib at gmail.com
Fri Sep 14 17:51:55 UTC 2018


On 09/14/2018 11:00 AM, Daryl McDonald wrote:
> On Fri, Sep 14, 2018 at 9:58 AM Mike Bibbings <mike.bibbings at gmail.com>
> wrote:
> 
>> On 12/09/18 23:54, Daryl McDonald wrote:
>>
>>
>>
>> On Wed, Sep 12, 2018 at 2:03 PM Daryl McDonald <darylangela at gmail.com>
>> wrote:
>>
>>>
>>>
>>> On Wed, Sep 12, 2018 at 10:53 AM Nicolas Krzywinski <myth2 at site7even.de>
>>> wrote:
>>>
>>>> Am 12.09.2018 um 13:52 schrieb Daryl McDonald:
>>>>
>>>>
>>>>
>>>> On Wed, Sep 12, 2018 at 3:32 AM jksj <jksjdevelop at gmail.com> wrote:
>>>>
>>>>> On 12/09/18 00:53, Daryl McDonald wrote:
>>>>>
>>>>> I have the same set up in 18.04 as I did in 16.04 but my box doesn't
>>>>> wake up in time, once it came on two hours late, since then I've pushed the
>>>>> button myself. Is there a time setting I'm missing somewhere? TIA  Daryl
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> mythtv-users mailing listmythtv-users at mythtv.orghttp://lists.mythtv.org/mailman/listinfo/mythtv-usershttp://wiki.mythtv.org/Mailing_List_etiquette
>>>>> MythTV Forums: https://forum.mythtv.org
>>>>>
>>>>> Mine wakes on time to record programs, the same as in 16.04 but I think
>>>>> it does not do this for the daily wake up time set in Mythwelcome. Could
>>>>> that be your issue?
>>>>> No, I don't use Mythwelcome, but thanks for the reply, I'll go over my
>>>>> setup again, I must have missed something. Curious that the wakeup_test.sh,
>>>>> thanks Bill, restarts 16.04 and not 18.04 when the report from (bad syntax
>>>>> from memory) proc driver rtc is identical from both distros.
>>>>> _______________________________________________
>>>>> mythtv-users mailing list
>>>>> mythtv-users at mythtv.org
>>>>> http://lists.mythtv.org/mailman/listinfo/mythtv-users
>>>>> http://wiki.mythtv.org/Mailing_List_etiquette
>>>>> MythTV Forums: https://forum.mythtv.org
>>>>>
>>>> Hey Daryl,
>>>>
>>>> recently I set up a new MythTV system (see signature) and there I
>>>> switched to the new method of using only:
>>>>      /usr/sbin/rtcwake --date "<datestring>" --mode no
>>>> to set the wakeup time.
>>>>
>>>> This works fine for my system.
>>>>
>>>> The MythTV wiki was quite confusing as there is a lot of outdated and
>>>> ambigous information, but you can find the above mentioned call as well, if
>>>> you search for it.
>>>>
>>>> Btw., I made a small script to also update the LCD display with the next
>>>> scheduled automatic wakeup time:
>>>>
>>>> me at mysystem:~$ cat /usr/sbin/wakewrapper.sh
>>>> #!/bin/bash
>>>> # Sets RTC wake time and inserts the time into LCDd.conf for letting the
>>>> display inform about the next wakeup time when the system is off
>>>>
>>>> if [ -z "$1" ]
>>>>      then
>>>>          echo "Usage $0 <time>"
>>>>          exit 1
>>>> fi
>>>>
>>>> # set wake time
>>>> wakestring=`/usr/sbin/rtcwake --date "$1" --mode no`
>>>>
>>>> # grab the confirmed wake time
>>>> wakestring=`rtcwake --mode show | grep Alarm`
>>>>
>>>> # extract only time of confirmation output
>>>> waketime=${wakestring:15:16}
>>>>
>>>> # convert utc time string to local time
>>>> waketime=`date --date="$waketime +0000" +"%d. %b %T"`
>>>>
>>>> # update LCDd.conf with wake time
>>>> sed -i -e "s/GoodBye = \"[^H].*/GoodBye = \"$waketime\"/g" /etc/LCDd.conf
>>>>
>>>> # reload LCDd to let it use the new config
>>>> systemctl reload-or-restart LCDd.service
>>>>
>>>> The sed command to update the LCDd.conf has to be adapted to the target
>>>> environment. It needs to filter out the second GoodBye line, that should
>>>> not be overwritten. Mine begins with "H", therefore the regex skips every
>>>> GoodBye lines that have a value beginning with "H".
>>>>
>>>> Have fun!
>>>> Nicolas
>>>>
>>>> --
>>>> Nicolas
>>>>
>>>> MythTV Version : v29.1-22-g675676b
>>>> Ubuntu 18.04 LTS (4.15.0-23-generic)
>>>> Digital Devices GmbH Octopus DVB Adapter via ddbridge kernel module
>>>> 15c2:0036 SoundGraph Inc. LC16M VFD Display/IR Receiver (imon) via ir-keytable
>>>> VGA compatible controller: Intel Corporation Device 3e91 (Intel(R) Core(TM) i3-8100T)
>>>>
>>>> _______________________________________________
>>>> mythtv-users mailing list
>>>> mythtv-users at mythtv.org
>>>> http://lists.mythtv.org/mailman/listinfo/mythtv-users
>>>> http://wiki.mythtv.org/Mailing_List_etiquette
>>>> MythTV Forums: https://forum.mythtv.org
>>>
>>>
>>> Thanks Nicolas, I've just changed the BE setting from "$time" to "-mode
>>> no" That part of the wiki was confusing for me too until now. I'll report
>>> the results here later this evening.
>>>
>>
>> The box didn't wake on its own, and it looks like the change to "-mode no"
>> is a step backward, from /var/log/mythtv/hwclock-rebootTime I see no new
>> writes:
>> Current Time      ->Tue Sep 11 23:21:32 EDT 2018
>> Shutting down for ->13hrs:27Mins
>> Wake up at approx.->Wed Sep 12 17:49:00 EDT 2018
>> ------------------------------------------------------
>> Current Time      ->Wed Sep 12 09:51:20 EDT 2018
>> Shutting down for ->02hrs:57Mins
>> Wake up at approx.->Wed Sep 12 17:49:00 EDT 2018
>> and if the math can be taken literally, this looks faulty with the "$time"
>> setting.  Ideas and suggestions welcome.
>>
>>
>> Your original post indicates failure to powerup at the appropriate time.
>>
>> Attached is the script autowakeuptest.sh I use to test wakeup on xubuntu
>> systems (16.04 and up), it saves copy and paste from the Mythtv ACPI wiki
>> page.
>> Just make it executable (chmod +x) and run it. If it does not powerup in 5
>> minutes that problem needs to be fixed.
>>
>> I have also attached an alternative script (autowakeuptest2.sh) which uses
>> rtcwake instead.
>>
>> If you want to use rtcwake with mythtv you need to modify script in
>> /usr/bin/setwakeup.sh as follows:
>> replace lines
>> echo 0 > /sys/class/rtc/rtc0/wakealarm      #this clears your alarm.
>> echo $1 > /sys/class/rtc/rtc0/wakealarm     #this writes your alarm
>>
>> with one line
>> sudo /usr/sbin/rtcwake --mode no -t $1
>>
>>
>> Note: "--mode no" not "-mode no" (the Mythtv ACPI wiki has a missing -
>> character in the example /usr/sbin/rtcwake -mode no)
>>
>>
>> Mike
>>
>> _______________________________________________
>> mythtv-users mailing list
>> mythtv-users at mythtv.org
>> http://lists.mythtv.org/mailman/listinfo/mythtv-users
>> http://wiki.mythtv.org/Mailing_List_etiquette
>> MythTV Forums: https://forum.mythtv.or <https://forum.mythtv.org>g
>>
> Thanks Mike, I'm still struggling with this, I downloaded both scripts,
> chmod'd them. I tested each and both shutdown but neither restarted after
> five minutes. This was all done without any modifications to the BE setup,
> where do we go from here?

1. The Wiki has been fixed (--mode) thanks Mike.

2. This is the line from my script:

     rtcwake --mode no --time ${NEW_TIME} --utc

Where $NEW_TIME is the value from: WakeupTimeFormat of time_t
or something like: NEW_TIME=$((`date +'%s'` + 60)) for testing.

-- 
Bill


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