魅族mx2启动app黑屏，以下是log：
********** Crash dump: **********
Build fingerprint: 'Meizu/meizu_mx2/mx2:5.0.1/LRX22C/m04x.Flyme_OS_4.5.4.20150725160245:user/release-keys'
pid: 1564, tid: 587, name: vold >>> /system/bin/vold <<<
signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x0
Stack frame #00 pc 0000d32e /system/bin/vold
Stack frame #01 pc 000165f7 /system/lib/libc.so (__pthread_start(void*)+30)
Stack frame #02 pc 000145eb /system/lib/libc.so (__start_thread+6)
