[mythtv-users] [SPAM?]: Re: questions about suspend with ACPI

[Hansa]

Leighton wrote:
>
> Yes you can do this - I am doing so successfully. Mythwelcome assumes
> the use of nvram-wakeup, and the format of the time string argument for
> this is hard-coded. So I wrote a tiny Perl script to convert this to the
> format used by /proc/acpi/wakeup.
>
> I also had to unload and reload the DVB, USB and hotswap drivers. So the
> back and front end need to be stopped and started too.
>
> Regarding your problems with the video not restarting correctly, there
> are four things you could try:
>
> 1) There is a tool called vbetool, which saves and restores the video
> state in various ways.
>
> 2) Try switching to S3 from the console or from X. One might work better
> than the other. You can 'chvt' to change to a different virtual console.
>
> 3) Your BIOS will probably have some video settings relating to S3 -
> stuff like "re-POST on resume from S3". Try fiddling with these.
>
> 4) If you're using an NVidia card, you can hack the little bit of source
> provided with the proprietary driver so this works correct with S3.
>
> Googling might turn something up too - this is a common problem. In my
> case (4) was the only thing I could get to work OK, and it had the
> advantage of not needed to stop and restart X on suspend and resume, so
> it's a lot quicker.
>
> The time limit within which mythwelcome will not shutdown the system if
> a recording is pending is also hard-coded to 15 minutes. So you need to
> ensure this is set to 15 minutes in mythtv-setup or things won't work
> correctly either.
>
> To get the suspend and resume integrated with the screensaver can
> probably be done using some of the X commands and a shutdown check
> script in mythwelcome or mythtv-setup.
>
> If it's helpful, I can post my related scripts later, I'm not near my
> MythTV box right now - let me know. I probably should pull my finger out
> and put all this and more in the Wiki. It took me months to figure it
> all out for myself.

Wiki-ing the above certanly would be nice. I also had some problems with
suspend resume functionality which took me ages. I still have problems with
nVidia and X. Right now I'm quiting X before suspend. I wasn't aware of the
nVidia driver hack and will check this out later this week.
Thanks.