xHCI concurrent enumeration -- the 4th-device failure was QEMU's port layout #38

New Issue

2026-11-06T19:04:56Z

rajames commented

2026-11-06 19:04:56 +00:00

Opened 2026-09-07 · Closed 2026-09-07 · FABRIC-3.md §X; kernel/Makefile XHCI_PORTS

Root-caused: QEMU fills the controller's real ports then drops further devices behind an internal hub. Every usb-storage device gets an explicit port=.

_{Reconstructed 2026-11-06 from the project record; Gitea dates every issue by when it is created.}

**Opened 2026-09-07 · Closed 2026-09-07** · `FABRIC-3.md` §X; `kernel/Makefile` `XHCI_PORTS` Root-caused: QEMU fills the controller's real ports then drops further devices behind an internal hub. Every usb-storage device gets an explicit `port=`. <sub>Reconstructed 2026-11-06 from the project record; Gitea dates every issue by when it is created.</sub>

rajames added this to the Fleet, identity and the DoE milestone 2026-11-06 19:04:56 +00:00

rajames added the area/kernel

kind

bug

labels 2026-11-06 19:04:56 +00:00

rajames closed this issue

2026-11-06 19:04:57 +00:00

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