[mythtv-users] HDPVR Kernel module reload as power cycle

Steven Adeff adeffs.mythtv at gmail.com
Sat Dec 8 16:29:34 UTC 2012


On Sat, Dec 8, 2012 at 11:24 AM, David Asher <david at teamasher.net> wrote:
>
> On Dec 8, 2012, at 10:55 AM, Steven Adeff <adeffs.mythtv at gmail.com> wrote:
>
>> On Tue, Dec 4, 2012 at 12:26 PM, Michael <mythtv at blandford.net> wrote:
>>> On 11/30/2012 09:33 AM, Steven Adeff wrote:
>>>> from the wiki,
>>>> "If you still experience problems with stability, a small kernel
>>>> module re-load script is included below in the Bitrate and Picture
>>>> Controls sub section that re-loads the kernel modules and acts like a
>>>> power cycle on the HD-PVR." -
>>>> http://www.mythtv.org/wiki/Hauppauge_HD-PVR#Firmware_Version_Stability
>>>>
>>>> Is this correct, that reloading the kernel module for the hdpvr acts
>>>> as a power cycle negating the need for the user to physically power
>>>> cycle the device?
>>>>
>>>> If so, has anyone figured out a way to initiate a module reload at a
>>>> time where MythTV won't be using any attached HDPVR devices?
>>>>
>>>
>>> Here is what I use to see if my hdpvrs are in use and if not, power down my
>>> satellite receiver.  You could probably modify it to do what you want.
>>>
>>> !/bin/bash
>>> export PATH=/usr/bin
>>> MYTHWEBURL=http://<url>/mythweb/status
>>>
>>> wget -O - --quiet $MYTHWEBURL | grep HDPVR | \
>>> while read line; do
>>>        dish=`echo $line | sed -e 's/.*hdpvr\([0-9]\).*/\1/'`
>>>        if `echo $line | grep --quiet 'and is not recording'`; then
>>>                echo "Powering off directv-${dish}"
>>>                /usr/local/bin/directv-${dish} off
>>>        else
>>>                echo "directv-${dish} is busy"
>>>        fi
>>> done
>>
>> This system has two hdpvr's so I have to check for the status of both
>> before power-cycling by reloading the driver.
>>
>> Here's what I put together,
>> hdpvr_check.sh
>> -------------------------
>> #!/bin/bash
>> #export PATH=/usr/bin
>>
>> ## mythweb url, should work as long as the script is being run on the
>> same system as mythweb and apache
>> MYTHWEBURL=http://localhost/mythweb/status
>> ## if your mythweb is password protected enter your username and password here
>> MYTHWEBUSER=mythweb
>> MYTHWEBPASSWORD=c00ldvr
>> ## to limit the time the script will run, place your hour limits here
>> ### in 24h format (ie 1pm=13)
>> MINHR=2
>> MAXHR=6
>>
>> ## don't touch these!
>> STATUS=1
>> TIME=`date +%H`
>> TODAY=`date +%F`
>>
>> ## Let's sart!
>> echo "Hour: " $TIME
>> if [ "$TIME" -ge "$MINHR" -a "$TIME" -lt "$MAXHR" ]
>> then
>>               echo "Clear to run at this time!"
>>
>>               wget -O - --quiet --user=$MYTHWEBUSER --password=$MYTHWEBPASSWORD
>> $MYTHWEBURL | grep HDPVR | \
>>               while read line; do
>>                       device=`echo $line | sed -e 's/.*Encoder \([0-9]\).*/\1/'`
>>                       if `echo $line | grep --quiet 'and is recording'`; then
>>                               echo "however, HDPVR ${device} is busy, we will wait"
>>                               STATUS=2
>>                       else
>>                               echo "HDPVR ${device} is not being used"
>>                       fi
>>               done
>>
>>               if [ "$STATUS" -eq "2" ]
>>                       then
>>                       echo "no devices are in use!"
>>                       echo "reloading driver for HDPVR devices..."
>>                       #/usr/local/bin/hdpvr_powercycle.sh
>>                       export HDPVRRESET=$TODAY
>>               else
>>                       echo "an HDPVR is in use, we won't run at this time"
>>               fi
>> else
>>       echo "Wrong time! We won't run now..."
>>       export HDPVRRESET=0
>> fi
>> -------------------------
>
> <stuff removed>
>
> I think you meant to compare STATUS to "1" (or ne "2").  Your loop sets STATUS to "2" when an HD-PVR is recording.
>
> David.

yea, and I also noticed it won't respond properly for livetv. posted
too early... will have a revised version shortly!



-- 
Steve
http://www.mythtv.org/wiki/User:Steveadeff
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