Bryan Niederberger wrote:
Jules Gosnell wrote:
Bryan Niederberger wrote:
Jules Gosnell wrote:
I try not to leave unnecessary electrical stuff running overnight,
but my mythfrontend takes quite a while to boot/shutdown.
I have been looking at what it would take to be able to suspend-to
and resume-from disc.
It's a Via Epia Ezra (i586) running FC3 with the latest FC3 kernel.
This looks like the best option - http://www.suspend2.net/ - but
involves custom built and patched kernels and no doubt a long time
spent tailoring scripts to unload drivers before shutting down and
reload them after starting up....
I was wondering if anyone else was doing this sort of thing with
their myth-frontend box and what their experiences had been....
Thanks for your time,
Jules
I went down this path with my Epia M10000 and got mixed results. I
am using Fedora 3 and found a site that keeps recent kernels and
packages for software suspend in Fedora 3 and 4. The link is
http://mhensler.de/swsusp/ if you want to check it out. Getting
things set up was no real problem, as I recall it basically
consisted of installing the hibernate package, installing a custom
mkinitrd for swsusp and installing a patched kernel. After that,
software suspend worked like a champ simply by executing the
hibernate command as root.
Overall it works well, boot times are roughly 30 seconds to resume
from suspend mode. This could probably be faster but my Epia a
little anemic in the processing area. The main reason I have not
been using hibernate is that the resumed Unichrome driver has some
sort of problem with Myth. Although I can see the desktop/frontend
perfectly whenever I attempt to play a recording myth just displays
a black screen with audio (I'm not using XVMC so I don't think it's
a problem there). At this point I got frustrated and never really
looked into what the exact problem was. If you fair better with
your Epia let me know any tips/tricks.
Thanks, Bryan,
I will have a look at this - i was sure that there would be some
device that didn't like it :-) and I am using XvMC - still, when I
have some time i may try installing this stuff...
BTW - do I need to repartition the disc, or can it suspend to a large
file ? Did you manage to attach the hibernate command to your power
on/off button (it needs to be wife/child proof :-) ) ?
Cheers
Jules
Bryan
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Software suspend uses the swap partition to do a memory dump when you
ask it to shutdown, so no repartitioning is required.
perfect :-)
As for the frontend power button, that would probably require you to
mess around with acpi events and I have never looked into it. My
shortcut was to map the remote power button to the hibernate command
using irexec. Jarod's howto has a very applicable section
(http://www.wilsonet.com/mythtv/tips.php) about using irexec to map
remote buttons to applications. All in all it worked pretty well for
me, hope that helps.
I guess I can set the shutdown string in MythTV to call hibernate...
I just timed my Epia from power-up all the way to a running myth
frontend - including a 30 sec timeout at gdm, in case someone else wants
to log in - 3 mins 20 secs - even if you call it 2 mins 50 secs, 30 secs
sound much more agreeable ...
my kernel is rebuilding now (I need i586 and Matthias only provides i686).
Thanks for the pointers - I will feedback if/when I get it all running....
Jules
Bryan
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string into a super-saturated solution and a whole operating-system
crystallises out around it."
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