它显示线程的内核模式栈跟踪。

It displays the kernel mode stack trace of the thread.

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Android是经过改进的Linux内核，为移动设备纳入一个软件栈(见图2)。

Android is a modified Linux kernel that incorporates a software stack for mobile devices (see Figure 2).

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因此，Linux US b层、BlueZ US b传输器驱动程序以及BlueZ协议栈是使设备工作的主要内核层。

Therefore, the Linux USB layer, the BlueZ USB transport driver, and the BlueZ protocol stack are the main kernel layers that get the device working.

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