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docs: community troubleshooting for hybrid DisplayLink docks#586

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0jrm:docs/community-troubleshooting-hybrid-docks
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docs: community troubleshooting for hybrid DisplayLink docks#586
0jrm wants to merge 1 commit into
DisplayLink:mainfrom
0jrm:docs/community-troubleshooting-hybrid-docks

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@0jrm

@0jrm 0jrm commented Jul 22, 2026

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Summary

  • Adds a community troubleshooting doc for hybrid DisplayLink docks (e.g. Dell UD22) where missing DisplayLink userspace looks like an i915/MST GPU failure.
  • Links recognition via USB ID 17e9, EVDI DVI-I-* connectors, DKMS on custom kernels, and dual-monitor / Wayland notes.

Test plan

  • docs/troubleshooting.md renders on GitHub
  • mkdocs.yml page entry is valid for the existing mkdocs config

Related issue: #585

Made with Cursor

Document how missing DisplayLink userspace presents as flaky GPU MST
(DP-*) on docks like Dell UD22, and how EVDI DVI-I-* outputs appear
after the full driver stack is installed.

Co-authored-by: Cursor <cursoragent@cursor.com>
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