If you are trying to run your Android apps in a harware accelerated android emulator on Mac OS X, you may experience a crash, or your whole mac will freeze up, ending in a reboot.
The default installation of intel HAXM that comes with the Android SDK manager is version 1.0.6.
Intel has released a Hotfix, revision 03 of the HAXM software, available here.
Download and install the “haxm-macosxr03hotfix.zip”, Which has a version number of 1.0.7.
Be aware that there is also another known issue with intel HAXM and VirtualBox, as it says on their webpage: