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Thread: Hybrid sleep

  1. #1
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    Hybrid sleep

    So I keep on hearing about some windows 7 proponents about this thing called "hybrid-sleep". I learned that it actually means hibernate+suspend. Apparently this has existed in Linux for several years now (kantlivelong has been using it for probably 3 years in his car). So, I came up with a new shutdown/quit screen for nGhost that will allow this option:



    This will be pushed out to LinuxICE Beta2 users in an update and will be in RC1. Hibernate is broke in the beta's, until you add resume2=/dev/path/to/swap to your grub line. I've updated the iceinstall to do this for you, but that will only fix clean installs. At any rate, if you install beta2, make sure you update before running iceinstall so you'll be sure to get all the updates.

    Have fun!
    Former author of LinuxICE, nghost, nobdy.
    Current author of Automotive Message Broker (AMB).
    Works on Tizen IVI. Does not represent anyone or anything but himself.

  2. #2
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    Last time i saw the hibernate+suspend option on Linux it hibernated first and then went to standby (aka you watched it dump to disk first)....hopefully your talking about it done correctly?
    Screen should be off within 1-2seconds, then the hib file is written, then transition to s3.

  3. #3
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    Quote Originally Posted by justchat_1 View Post
    Last time i saw the hibernate+suspend option on Linux it hibernated first and then went to standby (aka you watched it dump to disk first)....hopefully your talking about it done correctly?
    Screen should be off within 1-2seconds, then the hib file is written, then transition to s3.
    well, it has to hibernate to disk before it goes into s3 standby, so what you are defining as "correctly" would be just the screen turning off as it's doing the hibernate? I guess Windows does this to give you warm fuzzies? Other than that, I really don't see the point...

    But yes, you can configure it to drop to text mode, or display some fancy splash progress while it's doing that. When I play with it more, I'll look into the UI fancy stuff.
    Former author of LinuxICE, nghost, nobdy.
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    Works on Tizen IVI. Does not represent anyone or anything but himself.

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    Quote Originally Posted by kev000 View Post
    well, it has to hibernate to disk before it goes into s3 standby, so what you are defining as "correctly" would be just the screen turning off as it's doing the hibernate?
    Yea its mainly an aesthetic thing (win7 has a nice fadeout)-text mode tends to screw up the whole OEM look of an install. For me its pretty important, when i open the car door i want my screen off immediately otherwise the car tends to attract "unwanted attention".

  5. #5
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    YAY! awesome addition to linuxice! just waiting for that nice gui, i've been hinting all these days. So many awesome skinner on this forum, hopefully someone will volunteer.

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    Quote Originally Posted by kev000 View Post
    well, it has to hibernate to disk before it goes into s3 standby, so what you are defining as "correctly" would be just the screen turning off as it's doing the hibernate? I guess Windows does this to give you warm fuzzies? Other than that, I really don't see the point...
    In windows7 hibryd-sleep work this way:
    1.)You press power button and fade off screen and then turn it off
    2.)Start making hibernate file(screen is turned off) and when complete go to S3 sleep(FAN, HDD... turned off)

    When you turn it on:
    it turn on screen and fade to "working screen desktop" if you lose power when it has been in sleep it hibernate from HDD...

  7. #7
    SuperMod - OBDII GPS Logger forum
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    Ugh

    I just ranted on IRC to trip about it, but I wanted to link this here: This reminds me of Joel Spolky's discussion of this exact topic.

    You're presenting users with choices, and choices suck. I still don't know what half the options to turn off my Vista machine do. What the *hell* does hybrid-sleep even mean?

    IMHO, a carputer system should:
    1) turn on when car turns on
    2) turn off when car turns off
    the end.

    If you really really really want a manual option, then that's what the huge button on the front is for. Make a decision on what it does, and commit to that decision. Don't let people choose, don't offer choices. It's a power button: make it do what people "expect".

    Gary (-;
    OBDGPSLogger, for logging OBDII and/or GPS data
    OBDSim, an OBDII/ELM327 software simulator
    mp3car forums: obdgpslogger, obdsim

  8. #8
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    Also, after much experimentation, nowadays I just feel that it's infinitely more useful to make the system boot faster [which I know trip has been working on, with stellar results].

    Instead of sleep/hibernate/sleep-and-hibernate/S3 blah/etc/etc, just turn the f**ker off. When you want the machine back, turn it back on. At least a couple of my machines take longer to hibernate or de-hibernate than they take to boot.

    Just my .02
    Gary (-;
    OBDGPSLogger, for logging OBDII and/or GPS data
    OBDSim, an OBDII/ELM327 software simulator
    mp3car forums: obdgpslogger, obdsim

  9. #9
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    Oh, and one more way of looking at it: nGhost is effectively *an appliance*.

    My Wii doesn't ask me how it should sleep. Nor do any other consoles or my TV.
    My Garmin GPS just has a power button. Either it's on or it's not.
    *Everything* in my car exhibits similar decisions; I turn the car off and the radio remains on until it gets around to turning it off. Same with the headlamps [and my better half's Prius does the same thing].
    Even my macbook pro has it straight; I close the lid, it goes to sleep, If the battery ever starts to run low, it hibernates. I get no choice in the matter, but on this topic I think Apple made a pretty good decision.

    Gary (-;

    PS Some of these appliances do let me choose "how long", but as to the "how", I get no say in the matter.
    OBDGPSLogger, for logging OBDII and/or GPS data
    OBDSim, an OBDII/ELM327 software simulator
    mp3car forums: obdgpslogger, obdsim

  10. #10
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    Quote Originally Posted by chunkyks View Post
    Also, after much experimentation, nowadays I just feel that it's infinitely more useful to make the system boot faster [which I know trip has been working on, with stellar results].

    Instead of sleep/hibernate/sleep-and-hibernate/S3 blah/etc/etc, just turn the f**ker off. When you want the machine back, turn it back on. At least a couple of my machines take longer to hibernate or de-hibernate than they take to boot.

    Just my .02
    Gary (-;
    You are old fashion.
    If you don't know benefit of hibryd sleep and you don't need it you don't need comment in this thread...
    Main benefit of this feature is LOW power consumption (1-2W) when carpc is in sleep and you have 1-3sec. "boot" time, BUT if your batery voltage go to low and cut off power for carpc when you are not in car you still have 15-20sec "boot" time(resume from hibernate) and you still can start your car without drained battery...

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