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userspace panic

  1. monstermac77

    Constant Kernel Panics – userspace watchdog timeout: no successful checkins from

    I have been receiving these kernel panics multiple times a day (the computer freezes, followed by an eventual crash/restart if I don't do a hard shut down first). It occurs most frequently when waking the computer from sleep. Often I'll go to the bathroom and return to my computer, only to see...
  2. konehead

    panic(cpu 8 caller 0xffffff80237afbab): userspace panic:

    I have an iMac 27 that can not boot up because of a panic(cpu 8 caller 0xffffff80237afbab). [ 05-23-2016 ] Had trouble starting up after what must have been an Apple OSX update, but not sure. I do know I had the computer on for a handful of days and not using it. Later I returned and discovered...