Mountain Lion DP4 Startup Hangs

Discussion in 'Mac OS X Guest OS Discussion' started by Gary Rudolph, Jun 11, 2012.

  1. Gary Rudolph

    Gary Rudolph

    Messages:
    2
    Been having difficulty getting Mountain Lion Developer Preview 4 to startup as a Guest on a Lion Host. It currently hangs right after PET_VM_EVT_TIS_BACKUP_WRITE and doesn't log any other events.

    I've tried two ways both with similar result.
    1) Installed straight from the Mountain Lion InstallESD.dmg image. The image won't boot and hangs.
    2) Installed Lion and then upgraded to Mountain Lion through the app store. The reboot won't boot and hangs.

    In both case when it hangs it hangs on the grey Apple logo screen. When this occurs the pro_vm_app process is pegged at 100% of one CPU

    Has anybody had success in launching Mountain Lion under Parallels? Did you have to do anything special? Did you start straight from the image or upgrade?
     
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  3. Gary Rudolph

    Gary Rudolph

    Messages:
    2
    Did you install with Lion first and upgrade or just use the InstallESD.dmg from Mountain Lion?
     
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  5. non-troppo

    non-troppo

    Messages:
    51
    Can confirm a clean install needs 2 CPU minimum...
     
  6. Stanthewizzard

    Stanthewizzard

    Messages:
    1
    Assigned 4 cores and 4 gig of ram and unable to install !
     
  7. DonMontalvoCA

    DonMontalvoCA Bit Poster

    Messages:
    22
    DP4 update...

    2 core + 2 GB memory = success!
     
  8. dimsal

    dimsal

    Messages:
    10
    Same issue, can't install. Tried all 2 core + 2gb, 2core + 4gb, 4core + 2gb, 4core + 4gb - still not able to launch an install.
     
  9. Hairbymaurice

    Hairbymaurice

    Messages:
    2
    Same problem with App store download version of Mountain lion

    I have tried

    fresh install from the installESD.dmg

    upgrade install from lion using installESD.dmg
     

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