Why do I see "uhci_hcd 0000:01:00.4: Controller not stopped yet!" kernel warnings in my HP Proliant servers?

Solution Unverified - Updated -

Issue

  • Why does /var/log/messages show the following warning messages in HP Proliant servers:
uhci_hcd 0000:01:00.4: Controller not stopped yet!
  • What does kernel: uhci_hcd 0000:00:1d.0: Controller not stopped yet! mean?

Environment

  • Red Hat Enterprise Linux 6
  • kernel 2.6.32-358.14.1.el6 or earlier
  • HP Proliant server

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