[mythtv-users] Wishlist - Allow mythfrontend to suspend

[Jeppe Nejsum Madsen]

Dale Pontius <DEPontius at edgehp.net> writes:

> On 04/28/10 19:50, Chris Adams wrote:
>> On Thu, Apr 29, 2010 at 3:36 AM, Dale Pontius <DEPontius at edgehp.net> wrote:
>>> I've been building my mythappliance, a frontend machine.  Part of being
>>> an appliance and not a computer is rapid start, and I have all of that
>>> working - even from the remote.
>>>
>>> Out of ignorance, I first began suspending the machine by script, while
>>> mythfrontend was active.  Some of the time that worked, sometimes it
>>> didn't.  With a little hindsight, it's rather obvious that the
>>> connections to the backend machine get dropped during a long suspend.
>>> So now I kill mythfrontend prior to suspending, and restart after.  It
>>> works, but it does take mythfrontend a visible amount of time to start up.
>>>
>>> So here's the wish:
>>>
>>> Give mythfrontend "suspend" and "wake" commands.  Basically "suspend"
>>> would leave the frontend resident and operating, but shut down the
>>> connections to the backend server.  During that interval, the OS could
>>> put the machine into suspend.  Conversely, "wake" simply reconnects to
>>> the backend server.
>>>
>>> Faster, more appliance-like.
>>>
>> 
>> Set the network interface's state to down before suspending.
>> mythfrontend detects a lost connection and pops up a "connection lost"
>> dialog box.
>> 
>> When you resume, clicking OK will attempt reconnection - either the
>> dialog disappears and myth begins working, or it pops up again. Nice
>> and simple for your users to understand.
>> 
>> I've even seen mythfrontend reconnect by itself after a backend
>> restart (but that might be because the backend advertised itself at
>> startup via bonjour or something.)
> I can certainly give that a try - but maybe I really have already.  My
> frontend system uses forcedeth for eth0, which is blacklisted by
> hibernate-script.  So I see eth0 dropping and coming back as part of
> suspend.  I suspect the trick is having Myth be on the right screen when
> this happens.  When I was suspending with Myth active, sometimes it came
> back OK, sometimes it came back with the "connection lost" dialog, and
> sometimes it would just crash.
>
> Unfortunately, when I try to "jumpmainmenu" on this system, it jumps to
> the main menu, then goes to LiveTV - every time - from the remote or
> telnet/nc.

You might want to look at the minimyth distro. I'm running this and
suspend/resume works fine. I looked at the suspend/resume scripts a
while back since I had to unload some usb drivers for this to work, but
this was some years back. The current version "just works"....

/Jeppe