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How to Find ChromeOS Logs and Analyze Them

Summary: This article describes the steps to locate and analyze ChromeOS logs.

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.

Symptoms

A common troubleshooting step in Windows is to review the logs in Event Viewer or use Windows Debugger (windbg) or other utilities to analyze dump files.

Chrome also has event logs that can be viewed in the Chrome browser. These logs should be familiar to support analysts who know Linux. An easy way to interpret these logs is to use the Google log analyzer SLN288529_en_US__1iC_External_Link_BD_v1.

Cause

Issues affecting ChromeOS that require analysis of log files to aid in troubleshooting.

Resolution

How to Collect General Chrome Device Logs

To access general Chrome logs:

  1. On the affected device, enter chrome://net-internals in the Chrome address bar.
  2. On the top-left hand menu, select ChromeOS (the last option).
  3. Click Store System Logs or Store System and User Logs (available in Chrome OS 74 and later).

A new .tgz file will be created on your device in your Downloads folder, which you can then upload to the Google log analyzer SLN288529_en_US__1iC_External_Link_BD_v1. This will provide a relatively easy to understand summary of any errors found. Most of the errors will be networking issues, but all of the system logs are captured and analyzed in this procedure.

 

How to Collect Network Logs

Some issues will not be captured in the general logs. To capture these issues, enable the correct type of debugging.

  1. On the affected device, enter chrome://net-internals in the Chrome address bar.
  2. On the top-left hand menu, select ChromeOS (the last option).
  3. Select the correct debug mode. (ie Select Wi-Fi if you’re experiencing wireless issues)
  4. Open a new tab and reproduce the issue.
  5. Once completed, go back to the original tab.
  6. Click Store System Logs or Store System and User Logs (available in Chrome OS 74 and later).
Upload or export the logs from your Downloads folder to an external storage location so you can then upload to the Google log analyzer SLN288529_en_US__1iC_External_Link_BD_v1.

Affected Products

Chromebook, Chromebook 11, Chromebook 3120 (End of Life), Chromebook 11 3180, Chromebook 11 3189
Article Properties
Article Number: 000137421
Article Type: Solution
Last Modified: 19 Nov 2021
Version:  4
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