I am not against auto hibernation.... In fact I find this feature
useful. I am against automatic "ACPI powerdown signal"...

Automatic settings can work, but:
1. provided it is global, not per-VM.
2. It should have the following feature set:
-save state (hibernate)
-power off
|--+ revert to latest snapshot (checkbox)
-ask for action

(remove ACPI signal, and add option to revert to latest snapshot)

On Sun, Jan 17, 2010 at 8:44 PM, Huihong Luo <[email protected]> wrote:
>
> The main reason we added auto hibernate for vm is for dumb users, when they 
> shut down the host machine without closing the virtual machine, it can do it 
> without user input.
> Also, when we support single app mode, if there is no apps running in a vm, 
> it will be auto hibernate.
>
> and it saved time to start a vm app, of course
> --- On Sun, 1/17/10, Alexey Eremenko <[email protected]> wrote:
>
> From: Alexey Eremenko <[email protected]>
> Subject: Re: [vbox-dev] VMLite XP Mode for VirtualBox released
> To: [email protected]
> Date: Sunday, January 17, 2010, 10:29 AM
>
> 11.c. Well... Frankly I do not see any use-cases for per-VM settings...
>
> I have tried to configure some VMs to save state, some to shut down
> and some to "ask".
> This soon became a nightmare... . I started to afraid to push "close"
> button because I wasn't sure what will happen next ... will it close?
> save state ? ask? or the VM will blow up?
> extremely anti-intuitive workflow...
> Basically I recommend to have this feature in Global only, like in "11.a".
>
> In some cases having "ACPI shutdown" results in broken behavior... in
> cases if the guest OS does not support it. (XP installed with standard
> PC HAL, stucked VM, other OSes...)
>
> This brings me to a conclusion that ACPI powerdown should be used with
> caution or not at all...
>
> NOTE: The physical ACPI power supply allow PC to hard shutdown if the
> power button is being pressed for 5 seconds exactly for this reason.
>
> Unless smart mechanism can be developed for VMs, I recommend removing
> this option as from the GUI as dangerous. (either remove this option,
> or after 2 clicks allow user to choose.. "ask" for action)
>
> 11.d. "ACPI shutdown" often fails with the error that VM is currently
> paused, and it actually brings the VM into "pause" mode at the same
> time.
>
> --
> -Alexey Eromenko "Technologov"
>
> _______________________________________________
> vbox-dev mailing list
> [email protected]
> http://vbox.innotek.de/mailman/listinfo/vbox-dev



--
-Alexey Eromenko "Technologov"

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