In RHEL 6.4, while using a DisplayLink device with multiple monitors, the system reports the error "Cannot run in framebuffer mode. Please specify busID's for all framebuffer devices."

Solution Unverified - Updated -

Issue

  • While using the xorg-x11-drv-fbdev with a DisplayLink device works with a single monitor, when attempting to use 2 monitors (displaylink + LCD) the system may report the error from the X server:
Fatal server error:
Cannot run in framebuffer mode. Please specify busIDs for all framebuffer devices

Environment

  • Red Hat Enterprise Linux (RHEL) 6.4
  • xorg-x11-drv-fbdev
  • DisplayLink

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