install/59624: Booting NetBSD-11 from USB on my Dell machine panics and hangs

[emmankoko519%gmail.com@localhost]

>Number:         59624
>Category:       install
>Synopsis:       Booting NetBSD-11 from USB on my Dell machine panics and hangs
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    install-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon Sep 01 08:40:00 +0000 2025
>Originator:     Emmanuel Nyarko
>Release:        NetBSD-11
>Organization:
NetBSD
>Environment:
amd64
>Description:
Booting NetBSD-11 on Dell (amd64) panics on kernel assertion in setting the config index, emits trace and hangs.

This is a trace of what is happening.
vpanic()
kern_assert()
usbd_set_config_index()
ugenif_attach()
ugen_attach()
config_attach_internal()
config_found_acquire()
config_found()
usbd_attachwholedevice()
usbd_probe_and_attach()
usbd_new_device()
uhub_explore()
uhub_explore()
usb_discover()
usb_event_thread()

>How-To-Repeat:
by Installing netbsd-11 on Intel x64 based processor Dell machine.
>Fix: