Dell Pro Docks Have Limited Support in Red Hat Linux 9.6

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

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

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