embedded
usb_error
ai_generated
true
usb 1-1: device descriptor read/64, error -71
ID: embedded/usb-device-descriptor-read-error
78%Fix Rate
85%Confidence
3Evidence
2023-01-01First Seen
Version Compatibility
| Version | Status | Introduced | Deprecated | Notes |
|---|---|---|---|---|
| any | active | — | — | — |
Root Cause
Linux fails to enumerate USB device. Error -71 (EPROTO) = protocol failure during descriptor read. Hardware/signal issue.
genericWorkarounds
-
88% success Try a different USB port directly on the motherboard
Front panel ports have longer wires and more EMI. Use rear motherboard ports.
-
85% success Use a powered USB hub for adequate power delivery
-
82% success Check dmesg for specific error code
dmesg | grep usb # -71=EPROTO, -32=EPIPE, -110=ETIMEDOUT
Dead Ends
Common approaches that don't work:
-
Recompile kernel with different USB options
85% fail
Protocol errors during enumeration are electrical issues, not kernel config
-
Upgrade cable to USB 3.0
72% fail
USB 3.0 cables may lack proper USB 2.0 data pair wiring. Use known-good USB 2.0 cable.
-
Disable USB autosuspend globally
68% fail
Autosuspend affects already-enumerated devices, not initial enumeration