全志A10tablet1.*反复重启加载用户可用Flash(SD卡)上的程序几率性失败 .

最近反馈过来的一个问题，反复重启，启动Launcher时偶尔界面会少了一个或几个程序。
    经过反复测试查看调试信息，发现全部装在系统可用Flash上的程序不会丢失，只有当程序装在用户可用Flash上的程序才会加载失败，下面是logcat信息，可以看到装在用户Flash上的美图秀秀加载失败。

    同样在使用APK管理器批量安装程序时安装软件至用户可用Flash(SD卡)时几率性安装失败。
    记录下问题，后续再跟踪...

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D/VoldCmdListener(   83): asec mount com.mt.mtxx.mtxx-1 {} 1000

D/dalvikvm(  354): GC_CONCURRENT freed 278K, 7% free 6832K/7303K, paused 1ms+3ms


I/ActivityManager(  158): Displayed com.android.launcher/com.android.launcher2.Launcher: +12s930ms

I/Email   (  593): ReconcilePopImapAccountsSync: start

I/Email   (  593): ReconcilePopImapAccountsSync: already running

I/Email   (  593): ReconcilePopImapAccountsSync: already running

D/ExchangeService(  609): !!! EAS ExchangeService, onStartCommand, startingUp = true, running = false

I/RlzPingService(  462): Setting next ping for 1340333933309

I/Email   (  593): ReconcilePopImapAccountsSync: done

D/dalvikvm(  439): GC_CONCURRENT freed 317K, 9% free 6041K/6599K, paused 1ms+105ms

W/Vold    (   83): The SD card is world-writable because the 'persist.sampling_profiler' system property is set to '1'.

E/Vold    (   83): ASEC mount failed (No such file or directory)

I/PackageHelper(  158): Failed to mount container com.mt.mtxx.mtxx-1 rc : -1

E/PackageManager(  158): Failed to mount cid : com.mt.mtxx.mtxx-1 when installing from sdcard

D/VoldCmdListener(   83): asec mount com.disney.WMWLite-1 {} 1000

D/dalvikvm(  629): GC_CONCURRENT freed 267K, 8% free 5882K/6343K, paused 1ms+2ms

D/dalvikvm(  158): GC_EXPLICIT freed 584K, 9% free 8783K/9607K, paused 3ms+6ms

D/AttachmentService(  593): Count: 0

W/Vold    (   83): The SD card is world-writable because the 'persist.sampling_profiler' system property is set to '1'.

D/VoldCmdListener(   83): asec path com.disney.WMWLite-1

D/AttachmentService(  593): *** All done; shutting down service

D/dalvikvm(  324): GC_CONCURRENT freed 312K, 8% free 5844K/6343K, paused 1ms+3ms

I/PackageManager(  158): Linking native library dir for /mnt/asec/com.disney.WMWLite-1/pkg.apk
……