Dell Pro Docks Have Limited Support in Red Hat Linux 9.6

Summary: This article provides information about Dell Pro Docks limited supported in Red Hat Linux 9.6.

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.
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Symptoms

Affected Products:

  • Dell Pro Dock WD25
  • Dell Pro Dock WD25Z
  • Dell Pro Thunderbolt 4 Dock WD25TB4
  • Dell Pro Thunderbolt 5 Dock WD25TB5
  • Dell Pro Smart Dock SD25
  • Dell Pro Smart Thunderbolt 4 Dock SD25TB4
  • Dell Pro Smart Thunderbolt 5 Dock SD25TB5

Affected Operating Systems:

  • Red Hat Linux 9.6

Red Hat Linux 9.6 users may encounter the following issues when using a Dell Pro Dock with their system:

  • The monitor may not display correctly in certain scenarios:
    • Reconnecting the cable
    • Performing a warm or cold boot
    • Resuming from suspend
    • Waking from a screen idle
  • Display issues may occur when connecting more than two WideQuad High Definition (WQHD) or 4K monitors.
  • The monitor may take longer than expected to display properly after connecting the cable.
  • The computer may occasionally stop responding when connecting certain Thunderbolt (TBT) devices (such as monitors or storage devices) using a TBT dock.
  • External storage devices may not be detected when connected through the dock.
  • Dock firmware cannot be upgraded.

The Red Hat Linux 9.6 release does not include support for Dell Pro Thunderbolt 5 docks:

  • Dell Pro Thunderbolt 5 Dock WD25TB5
  • Dell Pro Smart Thunderbolt 5 Dock SD25TB5

Cause

The kernel of Red Hat Linux 9.6 does not include the essential driver patch for Dell Pro docks.

Resolution

Dell Pro Thunderbolt 5 docks are supported in Red Hat Linux 9.7 and later.

Affected Products

Dell Pro Smart Dock SD25, Dell Pro Thunderbolt 4 Smart Dock SD25TB4, Dell Pro Thunderbolt 5 Smart Dock SD25TB5, Dell Pro Dock WD25, Dell Pro Thunderbolt 4 Dock WD25TB4, Dell Pro Thunderbolt 5 Dock WD25TB5, Dell Pro Dock WD25Z
Article Properties
Article Number: 000342111
Article Type: Solution
Last Modified: 29 Jul 2025
Version:  6
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