[mythtv-users] HDHomeruns are sensitive to power adapter used.

[Raymond Wagner]

On 1/19/2011 13:56, Raymond Wagner wrote:
> On 1/19/2011 13:50, Mike Perkins wrote:
>> On 19/01/11 18:34, Greg Oliver wrote:
>>> On Wed, Jan 19, 2011 at 12:32 PM, Greg 
>>> Oliver<oliver.greg at gmail.com>  wrote:
>>>> On Wed, Jan 19, 2011 at 12:23 PM, Raymond 
>>>> Wagner<raymond at wagnerrp.com>  wrote:
>>>>> On 1/19/2011 13:13, Alan Anderson wrote:
>>>>>>
>>>>>> This past weekend I rearranged some hardware so that the old 
>>>>>> HDHomerun
>>>>>> ended
>>>>>> up using a newer power supply.  Since then I noticed on that if 
>>>>>> mythtv
>>>>>> tried
>>>>>> to record from both tuners on the old HDHomerun the second recording
>>>>>> always
>>>>>> ended up as a missing file.
>>>>>
>>>>> Configure MythTV to connect to the HDHomeRun using the device ID 
>>>>> rather than
>>>>> IP address.
>>>>
>>>> and, power is power..  the HDHRs may have different requirements in
>>>> different revisions..  The good thing about powered equipment is it's
>>>> simplicity to feed it power..  Match the voltage and you can (except
>>>> for non-regulated stuff) feed it reasonably close amps (always go high
>>>> though)..
>>>>
>>>> I have 2 dual hdhr(s), bought a year apart, but unfortunately they
>>>> have the same wall warts..
>>>>
>>>
>>> And - btw - remember - just because it powers it up does not mean it
>>> is adequate for full power draw..  Much like a pc power supply...
>>> Your machine may work just fine runnig a web browser and word
>>> processor, but once one of your kids (or you) start up a game that
>>> cranks up the power draw from your video card, etc - your machine may
>>> lock up..  The hdhrs are no different..
>>>
>> From the original description given that sounds to me as though the 
>> old HDHR has a higher power requirement than the newer models - even 
>> though the same wattage may be stamped on the label.
>>
>> It's not oftne a good idea to swap power supplies, even though the 
>> equipment looks the same.
>>
>
> No.  Stop arguing about the power adapter.  This has absolutely 
> nothing to do with power.  The issue described where accessing the 
> second tuner causes erratic behavior and failed recordings is due to a 
> bug in MythTV.  The bug only exists when defining the IP address for 
> the device directly.  Using the device ID with auto-detection instead 
> works without issue.  Make sure your HDHomeRun is on the same subnet 
> as your backend, and let mythtv-setup find your device on its own.
Nevermind.  I misread it myself.