Intermittent hang observed while accessing the /dev/sr0 device

Solution Verified - Updated -

Issue

  • Intermittent hang observed while accessing the /dev/sr0 device

  • Access to the CD-ROM device sometimes gets hung when 'elevator=none' kernel option is used to change the IO scheduler to 'none'.

Environment

  • Red Hat Enterprise Linux 8.4
  • VMware virtual machine
  • Virtual CD-ROM device
  • none IO scheduler

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content