Error: NO SigTag Received - Authentication in Firehose Operation

Abstract: This article explains the causes and solutions for the 'NO SigTag Received - Authentication' error encountered during Firehose operation.

Created: 2024-06-15 by UserComp.com Editors

Error: NOSig Tag Not Received - Authentication Firehose Operation

In the world of software development and programming, errors and issues are commonplace. One such error is the "NOSig Tag Not Received - Authentication Firehose Operation" error, which can occur when working with the Qualcomm Snapdragon 855 (SDM855) and its DDR (Double Data Rate) memory. This article will provide a detailed overview of this error, its causes, and potential solutions.

Understanding the NOSig Tag Not Received Error

The NOSig Tag Not Received error typically occurs during the programming of the SDM855's DDR memory using the Firehose protocol. The Firehose protocol is a proprietary communication protocol used by Qualcomm for programming and testing their Snapdragon processors. The NOSig Tag Not Received error is specifically related to the authentication process during programming, where a "NOSig" tag is expected, but not received.

Causes of the NOSig Tag Not Received Error

There are several potential causes for the NOSig Tag Not Received error, including:

Incorrect programming parameters or settings
Corrupted or incomplete Firehose programming files
Hardware issues with the SDM855 or its DDR memory
Software bugs in the Firehose programming tool

Resolving the NOSig Tag Not Received Error

To resolve the NOSig Tag Not Received error, consider the following steps:

Double-check the programming parameters and settings to ensure they are correct.
Verify the integrity of the Firehose programming files, replacing any corrupted or incomplete files as needed.
Inspect the SDM855 and its DDR memory for any hardware issues, replacing any faulty components as necessary.
Update the Firehose programming tool to the latest version, which may contain bug fixes related to the NOSig Tag Not Received error.

Example Code Block for Firehose Programming

Here is an example code block for Firehose programming, illustrating the proper formatting and structure of the programming commands:


firehose stream ufs_sdm855_ddr.elf rawprogram0.xml
firehose stream ufs_sdm855_ddr.elf rawprogram1.xml
firehose stream ufs_sdm855_ddr.elf rawprogram2.xml
firehose stream ufs_sdm855_ddr.elf rawprogram3.xml
firehose stream ufs_sdm855_ddr.elf rawprogram4.xml
firehose stream ufs_sdm855_ddr.elf rawprogram5.xml
firehose stream ufs_sdm855_ddr.elf patch0.xml
firehose stream ufs_sdm855_ddr.elf patch1.xml
firehose stream ufs_sdm855_ddr.elf patch2.xml
firehose stream ufs_sdm855_ddr.elf patch3.xml
firehose stream ufs_sdm855_ddr.elf patch4.xml

References

Qualcomm Snapdragon 855 Mobile Platform:
Firehose Protocol:
UFS Programming Guide:

By understanding the NOSig Tag Not Received error, its causes, and potential solutions, developers can more effectively troubleshoot and resolve this error during the programming of the Qualcomm Snapdragon 855's DDR memory using the Firehose protocol.

Tags: Firehose Operation Authentication LOG:ERROR

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