蓝牙压力測试报抛android.os.TransactionTooLargeException异常分析总结

1、从main日志中找到异常点，例如以下：

08-20 11:05:19.754  5023  5023 E AndroidRuntime: FATAL EXCEPTION: main
08-20 11:05:19.754  5023  5023 E AndroidRuntime: Process: com.android.bluetooth, PID: 5023
08-20 11:05:19.754  5023  5023 E AndroidRuntime: java.lang.RuntimeException: Unable to start receiver com.android.bluetooth.opp.BluetoothOppHandoverReceiver: java.lang.RuntimeException: Adding window failed
08-20 11:05:19.754  5023  5023 E AndroidRuntime: at android.app.ActivityThread.handleReceiver(ActivityThread.java:2913)
08-20 11:05:19.754  5023  5023 E AndroidRuntime: at android.app.ActivityThread.access$1700(ActivityThread.java:177)
08-20 11:05:19.754  5023  5023 E AndroidRuntime: at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1611)
08-20 11:05:19.754  5023  5023 E AndroidRuntime: at android.os.Handler.dispatchMessage(Handler.java:111)
08-20 11:05:19.754  5023  5023 E AndroidRuntime: at android.os.Looper.loop(Looper.java:194)
08-20 11:05:19.754  5023  5023 E AndroidRuntime: at android.app.ActivityThread.main(ActivityThread.java:5733)
08-20 11:05:19.754  5023  5023 E AndroidRuntime: at java.lang.reflect.Method.invoke(Native Method)
08-20 11:05:19.754  5023  5023 E AndroidRuntime: at java.lang.reflect.Method.invoke(Method.java:372)
08-20 11:05:19.754  5023  5023 E AndroidRuntime: at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:959)
08-20 11:05:19.754  5023  5023 E AndroidRuntime: at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:754)
08-20 11:05:19.754  5023  5023 E AndroidRuntime: Caused by: java.lang.RuntimeException: Adding window failed
08-20 11:05:19.754  5023  5023 E AndroidRuntime: at android.view.ViewRootImpl.setView(ViewRootImpl.java:668)
08-20 11:05:19.754  5023  5023 E AndroidRuntime: at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:289)
08-20 11:05:19.754  5023  5023 E AndroidRuntime: at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:85)
08-20 11:05:19.754  5023  5023 E AndroidRuntime: at android.app.Dialog.show(Dialog.java:311)
08-20 11:05:19.754  5023  5023 E AndroidRuntime: at android.app.AlertDialog.show(AlertDialog.java:1127)
08-20 11:05:19.754  5023  5023 E AndroidRuntime: at com.android.bluetooth.opp.MzBluetoothTurnOffPromptDialog.showDialog(MzBluetoothTurnOffPromptDialog.java:64)
08-20 11:05:19.754  5023  5023 E AndroidRuntime: at com.android.bluetooth.opp.BluetoothOppHandoverReceiver.onReceive(BluetoothOppHandoverReceiver.java:251)
08-20 11:05:19.754  5023  5023 E AndroidRuntime: at android.app.ActivityThread.handleReceiver(ActivityThread.java:2906)
08-20 11:05:19.754  5023  5023 E AndroidRuntime: ... 9 more
08-20 11:05:19.754  5023  5023 E AndroidRuntime: Caused by: android.os.TransactionTooLargeException
08-20 11:05:19.754  5023  5023 E AndroidRuntime: at android.os.BinderProxy.transactNative(Native Method)
08-20 11:05:19.754  5023  5023 E AndroidRuntime: at android.os.BinderProxy.transact(Binder.java:504)
08-20 11:05:19.754  5023  5023 E AndroidRuntime: at android.view.IWindowSession$Stub$Proxy.addToDisplay(IWindowSession.java:768)
08-20 11:05:19.754  5023  5023 E AndroidRuntime: at android.view.ViewRootImpl.setView(ViewRootImpl.java:657)
08-20 11:05:19.754  5023  5023 E AndroidRuntime: ... 16 more

2、从Kernel日志中搜索keyword“5023”和"binder"，例如以下：

 Line 5: Line 18110: <6>[72111.734216]<0> (2)[1546:Binder_9]binder: 812:1546 to 5023 failed due to 5023 no unused fd available(5023:droid.bluetooth fd leak?), -24
 Line 5: Line 18110: <6>[72111.734216]<0> (2)[1546:Binder_9]binder: 812:1546 to 5023 failed due to 5023 no unused fd available(5023:droid.bluetooth fd leak?), -24
 Line 6: Line 18110: <6>[72111.734216]<0> (2)[1546:Binder_9]binder: 812:1546 to 5023 failed due to 5023 no unused fd available(5023:droid.bluetooth fd leak?), -24
 Line 6: Line 18110: <6>[72111.734216]<0> (2)[1546:Binder_9]binder: 812:1546 to 5023 failed due to 5023 no unused fd available(5023:droid.bluetooth fd leak?
), -24
 Line 7: Line 18110: <6>[72111.734216]<0> (2)[1546:Binder_9]binder: 812:1546 to 5023 failed due to 5023 no unused fd available(5023:droid.bluetooth fd leak?), -24
 Line 7: Line 18110: <6>[72111.734216]<0> (2)[1546:Binder_9]binder: 812:1546 to 5023 failed due to 5023 no unused fd available(5023:droid.bluetooth fd leak?
), -24
 Line 8: Line 18112: <6>[72111.734239]<0> (2)[1546:Binder_9]binder: send failed reply for transaction 5183251 to 5023:5023
 Line 8: Line 18112: <6>[72111.734239]<0> (2)[1546:Binder_9]binder: send failed reply for transaction 5183251 to 5023:5023
 Line 9: Line 18112: <6>[72111.734239]<0> (2)[1546:Binder_9]binder: send failed reply for transaction 5183251 to 5023:5023
 Line 9: Line 18112: <6>[72111.734239]<0> (2)[1546:Binder_9]binder: send failed reply for transaction 5183251 to 5023:5023
 Line 10: Line 18114: <3>[72111.734447]<0> (1)[5023:droid.bluetooth]binder: read put err 29201 to user 00000000f4f2f708, thread error 29201:29185
 Line 21: Line 26440: <7>[72131.351513]<1>-(2)[1634:Binder_C][1634:Binder_C] sig 9 to [5023:droid.bluetooth] stat=x
 Line 21: Line 26440: <7>[72131.351513]<1>-(2)[1634:Binder_C][1634:Binder_C] sig 9 to [5023:droid.bluetooth] stat=x

			target_fd = task_get_unused_fd_flags(target_proc, O_CLOEXEC);
			if (target_fd < 0) {
				fput(file);
#ifdef MTK_BINDER_DEBUG
				binder_user_error("%d:%d to %d failed due to %d no unused fd available(%d:%s fd leak?), %d\n",
					proc->pid, thread->pid,
					target_proc->pid, target_proc->pid, target_proc->pid,
					target_proc->tsk ?
 target_proc->tsk->comm : "",
					target_fd);
#endif
				return_error = BR_FAILED_REPLY;
				goto err_get_unused_fd_failed;
			}
			task_fd_install(target_proc, target_fd, file);

cd /proc/pid/fd/
ls -l