[mythtv-users] Update to Mint 17.2 broke wakeup function.

Douglas Peale Douglas_Peale at comcast.net
Sat Aug 8 23:25:46 UTC 2015 

On 08/08/2015 01:38 PM, Daryl McDonald wrote:
>
>
> On Sat, Aug 8, 2015 at 1:51 PM, Douglas Peale <Douglas_Peale at comcast.net <mailto:Douglas_Peale at comcast.net>> wrote:
>
>     On 08/08/2015 10:36 AM, Hika van den Hoven wrote:
>     > Hoi Douglas,
>     >
>     > Saturday, August 8, 2015, 7:28:51 PM, you wrote:
>     >
>     >> On 08/08/2015 07:03 AM, Bill Meek wrote:
>     >>> On 08/08/2015 01:01 AM, Douglas Peale wrote:
>     >>>> I am trying to debug what is going wrong since upgrading from Mint 17 to Mint 17.2.
>     >>>> I can't tell if the script in "Command to set wakeup time" is being run.
>     >>>>
>     >>>> The original command is
>     >>>>
>     >>>> sudo sh -c "/usr/bin/setwakeup.sh $time"
>     >>>>
>     >>>> . I tried to add echo commands to the "setwakeup.sh" script, but I can't seem to figure out how to get the results
>     into a log
>     >>>> file.
>     >>> Hi,
>     >>>
>     >>> Consider this (*assuming* that the user running the program
>     >>> doesn't have write permission to the file.):
>     >>>
>     >>> This will fail:
>     >>> sudo echo blah >> /tmp/blah
>     >>>
>     >>> This will work:
>     >>> echo blah | sudo tee -a /tmp/blah
>     >>>
>     >>> But an echo within the script works (for me) like the following
>     >>> which is run as: sudo /usr/local/bin/SetWakeupTime.sh:
>     >>>
>     >>>     echo "ERROR: Can't write to ${ALARM_FILE}, RC = ${RC}" >> ${ALARM_LOG}
>     >>>
>     >>> I do have the program name in /etc/sudoers.d/mythtv.
>     >>>
>     >> Thanks, I should have guessed the method of including the output
>     >> redirection in the script itself since the script is using that
>     >> method to write the wakeup time to the rtc.
>     >> Unfortunately, although the script writes to the file when I run it
>     >> on the command line, nothing gets written as the system
>     >> shuts itself down.
>     > I'm not familiar with the script, but try to put a `sleep 1` command
>     > after the write. Hopefully the shutdown then happens after your write
>     > has finished.
>     >
>     >> So, although the checklogin.sh script is being run and writing to
>     >> the log, it appears the setwakup.sh script is not being run.
>     >> I'm stuck, I don't know what I should be looking for at this point.
>     >> The following are the contents of the setwakeup.sh script that was
>     >> working until I upgraded mint to 17.2.
>     >> The extra echo commands have been added in an attempt to debug this problem.
>     >> $ cat /usr/bin/setwakeup.sh
>     >> #!/bin/bash
>     >> #$1 is the first argument to the script. It is the time in seconds since 1970
>     >> #this is defined in mythtv-setup with the time_t argument
>     >> #I don't know how to ask MythTV for this value, so it is duplicated here. This is ugly.
>     >> #number of seconds before scheduled recording that computer should start booting.
>     >> ERRORLOG='/home/dpeale/logs/mythtv/wakeup.log'
>     >> DATE=`date +%F\ %T\.%N`
>     >> DATE=${DATE:0:23}
>     >> startbeforerecord=600
>     >> #Calculate time_t format time for next non MythTV event. Note that
>     >> the user event time is hard coded!
>     >> # This hard coded time must match the time of the event you schedule in cron.
>     >> userevent=$(( $(date -d 3:00AM +%s) - startbeforerecord ))
>     >> echo userevent = $userevent >>${ERRORLOG}
>     >> (( userevent += ( userevent < $(date +%s) ) ? 24*60*60 : 0 )) # If
>     >> event time has already passed, add 1 day
>     >> echo userevent = $userevent >>${ERRORLOG}
>     >> # Set wake time to the earliest of MythTVs wake time and userevent
>     >> (( waketime = ( userevent < $1 ) ? userevent : $1 ))
>     >> echo waketime = $waketime >>${ERRORLOG}
>     > echo 0 >> /sys/class/rtc/rtc0/wakealarm      #this clears your alarm.
>     > echo $waketime >> /sys/class/rtc/rtc0/wakealarm     #this writes your alarm
>     >> echo $DATE MythTV wants to wake at $1, waketime actually set to $waketime >>${ERRORLOG}
>     >> cat /sys/class/rtc/rtc0/wakealarm >>${ERRORLOG}
>     >
>     >
>     >
>     >
>     >
>     >
>     > Tot mails,
>     >   Hika                            mailto:hikavdh at gmail.com <mailto:hikavdh at gmail.com>
>     >
>     > "Zonder hoop kun je niet leven
>     > Zonder leven is er geen hoop
>     > Het eeuwige dilemma
>     > Zeker als je hoop moet vernietigen om te kunnen overleven!"
>     >
>     > De lerende Mens
>     >
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>     > http://wiki.mythtv.org/Mailing_List_etiquette
>     > MythTV Forums: https://forum.mythtv.org
>     >
>     I added "sleep 10" to the end of the script, still no logged evidence that the setwakup.sh script is being run.
>
>     The following is the contents of the log file, showing my last two attempts at getting this to work. All of the logged results
>     are from the checklogin.sh script, none from the setwakup.sh script.
>
>     2015-08-08 10:09:42.862 Someone is still logged in, don't shut down!
>     2015-08-08 10:12:58.001 No one is logged in.
>     2015-08-08 10:12:58.001 User script is not running and there is lots of time before it needs to start, shut down.
>     2015-08-08 10:20:02.818 Machine uptime less than 10 minutes, don't shut down.
>     2015-08-08 10:23:32.813 Machine uptime less than 10 minutes, don't shut down.
>     2015-08-08 10:26:47.858 Someone is still logged in, don't shut down!
>     2015-08-08 10:30:02.811 Someone is still logged in, don't shut down!
>     2015-08-08 10:33:32.811 Someone is still logged in, don't shut down!
>     2015-08-08 10:36:47.907 Someone is still logged in, don't shut down!
>     2015-08-08 10:40:02.814 Someone is still logged in, don't shut down!
>     2015-08-08 10:43:32.811 No one is logged in.
>     2015-08-08 10:43:32.811 User script is not running and there is lots of time before it needs to start, shut down.
>     2015-08-08 10:47:50.669 Machine uptime less than 10 minutes, don't shut down.
>
>
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>     MythTV Forums: https://forum.mythtv.org
>
>
> Have you got anything in "var/log/mythtv/hwclock-rebootTime.log"? This is where I see evidence of scheduled reboot times. 
>
>
>
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No, This is all that is there:

$ ls -l /var/log/mythtv
total 45408
-rw-r--r-- 1 syslog adm  7315371 Aug  8 16:24 mythbackend.log
-rw-r--r-- 1 syslog adm 11847692 Feb 17 03:02 mythbackend.log.1
-rw-r--r-- 1 syslog adm  3092887 Jul 29 22:10 mythcommflag.log
-rw-r--r-- 1 syslog adm  9393724 Aug  8 09:59 mythfilldatabase.log
-rw-r--r-- 1 syslog adm  6000978 Aug  2 21:14 mythfrontend.log
-rw-r--r-- 1 syslog adm  1635950 Jul 29 19:20 mythmetadatalookup.log
-rw-r--r-- 1 syslog adm  7067521 Jul 31 22:34 mythpreviewgen.log
-rw-r--r-- 1 syslog adm    96482 Aug  7 23:02 mythtv-setup.log

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