Kdump only generates vmcore-dmesg.txt due to an erroneous entry in makedumpfile's command line

Solution Verified - Updated -

Issue

  • Kdump is not generating a vmcore with the below line in kdump.conf:

    core_collector makedumpfile -d 31 –c
    
  • /var/crash only contains vmcore-dmesg.txt after testing Kdump.

Environment

  • Red Hat Enterprise Linux 5

  • Red Hat Enterprise Linux 6

  • Red Hat Enterprise Linux 7

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.

Current Customers and Partners

Log in for full access

Log In
Close

Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.