Not sure if OSX has anything to do with this memory issue(s). I do not use
VirtualBox on OSX but I do use Parallels with Linux guests using large
memory for long time with no such issue you you describe.
On 31 December 2013 15:31, Edward Ned Harvey (vbox-users) <
vbox-us...@clevertrove.com> wrote:
> > From: Bruce Ferrell [mailto:bferr...@baywinds.org]
> >
> > I'm testing something and with my vbox host installed under OS X 10.6.8,
> > with 8Gb RAM, I'm seeing the guest os can only be assigned 3584 Mb.
> >
> > On a Linux host with 16Gb installed, the guest can be assigned up to the
> full
> > 16Gb.
> >
> > Both instances of vbox are 4.3.6
> >
> > Can anyone comment of this?
>
> Not the answer you're looking for, but I have OSX with 8G of ram. I find
> that OSX is unstable if I assign more than 3G to the guest (and over a
> longer period, if I assign over 2G to the guest.)
>
> The reason seems to be: The OSX just simply has a crappy memory
> management system. Even if you clear the cache and stuff like that,
> problem persists until reboot host. (During the reboot, it's ok to sleep
> the guest and then wake the guest, to avoid being forced into rebooting
> guest) ...
>
> But I agree with you, even if it's not a STABLE configuration, you should
> be ABLE to assign as much memory as you want to the guest.
>
> Whatever amount of memory you assign to the guest, you must have that much
> FREE at the time of launching the guest. Or else the guest will fail to
> launch. So it *could* be, that 3584 is all the memory you have available
> at the time you create your guest. You might free up more by rebooting the
> host.
>
>
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