問題
エミュレータが起動しない。さっきまで動いていたのに。←重要
エラー全文
/Users/otiai10/Library/Android/sdk/tools/emulator -avd ReactNativeTest emulator: WARNING: VM heap size set below hardware specified minimum of 256MB emulator: WARNING: Setting VM heap size to 512MB Hax is enabled Hax ram_size 0x80000000 HAX is working and emulator runs in fast virt mode. console on port 5554, ADB on port 5555 Failed to sync vcpu reg Failed to sync vcpu reg emulator: ERROR: Unfortunately, there's an incompatibility between HAXM hypervisor and VirtualBox 4.3.30+ which doesn't allow multiple hypervisors to co-exist. It is being actively worked on; you can find out more about the issue at http://b.android.com/197915 (Android) and https://www.virtualbox.org/ticket/14294 (VirtualBox) Failed to sync vcpu reg Internal error: initial hax sync failed
原因
エラーメッセージをちゃんと読んでなかった
emulator: ERROR: Unfortunately, there's an incompatibility between HAXM hypervisor and VirtualBox 4.3.30+ which doesn't allow multiple hypervisors to co-exist. It is being actively worked on; you can find out more about the issue at http://b.android.com/197915 (Android) and https://www.virtualbox.org/ticket/14294 (VirtualBox)
VirtualBoxとAndroidエミュレータは今んとこ同時に動かせないっぽい？
解決
VirtualBox止めた
DRY
