Specific CPU microcode version triggers a kernel panic
Issue
- A memory address that is stored in an unrelated CPU register is being dereferenced;
- The
%ripCPU register contains an invalid instruction pointer that typically points between 2 consecutive instructions.
Environment
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
microcode_ctlpackage version1.17-25.2.el6_9or2.1-22.2.el7- mostly seen on Intel E5-26XX v3 CPU series
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.
Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.
