https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=290878

            Bug ID: 290878
           Summary: Google Titan Security Key disconnects in a loop
           Product: Base System
           Version: 15.0-CURRENT
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: [email protected]
          Reporter: [email protected]

1. Insert Google Titan Security Key
2. Open https://webauthn.io/ in Firefox, enter some username, and click
Register
3. Tap the security key
4. Observe detach/attach loop in dmesg:

[71838.374841] ugen1.7: <Google Titan Security Key v2> at usbus1 (disconnected)
[71838.374875] usbhid3: at uhub0, port 1, addr 58 (disconnected)
[71838.474766] uhid0: detached
[71838.483926] hidbus5: detached
[71838.483956] usbhid3: detached
[71839.397668] ugen1.7: <Google Titan Security Key v2> at usbus1
[71839.398155] usbhid3 on uhub0
[71839.398168] usbhid3: <Google Titan Security Key v2, class 0/0, rev
2.00/0.01, addr 59> on usbus1
[71839.398790] hidbus5: <HID bus> on usbhid3
[71839.399222] uhid0: <Google Titan Security Key v2 Authenticator> on hidbus5
[71839.415796] ugen1.7: <Google Titan Security Key v2> at usbus1 (disconnected)
[71839.415828] usbhid3: at uhub0, port 1, addr 59 (disconnected)
[71839.518027] uhid0: detached
[71839.526777] hidbus5: detached
[71839.526804] usbhid3: detached
[71840.477325] ugen1.7: <Google Titan Security Key v2> at usbus1
[71840.477792] usbhid3 on uhub0
[71840.477803] usbhid3: <Google Titan Security Key v2, class 0/0, rev
2.00/0.01, addr 60> on usbus1
[71840.478423] hidbus5: <HID bus> on usbhid3
[71840.478738] uhid0: <Google Titan Security Key v2 Authenticator> on hidbus5
...

Device details:

ugen1.7: <Titan Security Key v2 Google Inc.> at usbus1, cfg=0 md=HOST spd=FULL
(12Mbps) pwr=ON (60mA)

  idVendor = 0x18d1 
  idProduct = 0x9470

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