Method for acquiring crash information through black box, black box and server

A black box and status information technology, applied in the field of communication, can solve problems such as limited information and inability to obtain register information

Active Publication Date: 2012-08-01
ANHUI RONGJING FENGDAN BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But, because existing black box adopts SM Bus (System Management Bus, system management bus), the information of the important chip that capture module can collect is very limited, especially for the register information in CPU, IOH chip, can only capture the inside of chip The CSR (Control Status Register, Control Status Register) register information, other register information cannot be obtained, and cannot provide a strong basis for maintenance personnel to detect faults

Method used

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  • Method for acquiring crash information through black box, black box and server
  • Method for acquiring crash information through black box, black box and server
  • Method for acquiring crash information through black box, black box and server

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] The method of using the black box to obtain crash information provided by the embodiment of the present invention, such as figure 1 shown, including:

[0027] S101, establish a JTAG link between the black box and the main control chip through the JTAG cable;

[0028] S102. Obtain first state information from the main control chip through the JTAG link, where the first state information includes general register information, control register information, and debug control register information.

[0029] The embodiment of the present invention provides a method for obtaining crash information using a black box. By establishing a JTAG link between the black box and the main control chip, the black box can capture other registers while capturing the control status register information inside the main control chip. Information.

Embodiment 2

[0031] The method of using the black box to obtain crash information provided by the embodiment of the present invention, such as figure 2 shown, including:

[0032] S201. Establish a JTAG link with the main control chip through a JTAG cable.

[0033] Specifically, the black box is connected with important main control chips such as CPU and IOH of the server through a JTAG cable.

[0034] S202. Obtain the first state information directly from the main control chip through the JTAG link, and read the second state information from the storage device.

[0035] Specifically, since JTAG is an international standard test protocol (IEEE 1149.1 compatible), it is mainly used for chip internal testing. Therefore, the black box can utilize its internal analysis module to directly read the first state information inside the important chips such as the CPU and IOH of the server through the JTAG link, and the first state information includes general purpose register (General Purpose Reg...

Embodiment 3

[0051] The black box 01 provided by the embodiment of the present invention, such as Figure 4 shown, including:

[0052] JTAG interface 011, used to establish a JTAG link between the black box and the main control chip through the JTAG cable;

[0053] The parsing module 012 is configured to acquire first status information from the main control chip through the JTAG link, where the first status information includes general register information, control register information, and debug control register information.

[0054] Further, such as Figure 5 As shown, the black box 01 can also include:

[0055] A capture module 013, configured to acquire the second status information of the main control chip;

[0056] The storage module 014 is configured to store the second status information in the storage device, the second status information includes kernel information, process information, and memory status information.

[0057] The parsing module 012 is also used to read the s...

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PUM

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Abstract

The embodiment of the invention provides a method for acquiring crash information through a black box, the black box and a server, relates to the field of communications and can achieve the purpose of capturing information of a state control register inside chips such as an IOH (In / Out Hub) and a CPU (Central Processing Unit) as well as information of other registers. The method comprises the following steps: a JTAG (Joint Test Action Group) link is established between the black box and a main control chip through a JTAG protocol cable; and first state information is acquired from the main control chip through the JTAG link, wherein the first state information comprises general register information, control register information and debugging control register information. The method provided by the embodiment of the invention is used for reading important chip information through the black box in the server when the system crashes.

Description

technical field [0001] The invention relates to the communication field, in particular to a method for obtaining crash information by using a black box, a black box and a server. Background technique [0002] At present, the server generally has a black box function. When the system crashes, the black box can collect the information of important chips such as CPU (Central Processing Unit, central processing unit), IOH (In / Out Hub, North Bridge), and even if the system is reset, the information is still available. It can be retained, and this information is an important basis for helping maintenance personnel determine the cause of system failures. [0003] In the prior art, the black box includes a capture module, a storage module and an analysis module. When the system crashes or crashes, the capture module can collect the information in the main control chips such as CPU and IOH, and then save the information through the storage module. The module is then able to read thi...

Claims

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Application Information

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IPC IPC(8): G06F13/34
Inventor 郭海涛许利霞赵俊峰
Owner ANHUI RONGJING FENGDAN BIOTECH
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