AnsweredAssumed Answered

A probability of USB hub failure when a 3.0 udisk was inserted on custom board

Question asked by 争光 杨 on Sep 17, 2018
Latest reply on Sep 21, 2018 by igorpadykov
When the system is booted with a 3.0 udisk was inserted on my board, there will be a probability of USB hub failure. When this happens, all USB interfaces from HUB can't be used.
Normal:
# lsusb
Bus 001 Device 005: ID 0951:1666
Bus 001 Device 002: ID 0424:2517
Bus 001 Device 001: ID 1d6b:0002
Abnormal:
# lsusb
Bus 001 Device 002: ID 0424:2517
Bus 001 Device 001: ID 1d6b:0002
SW version as follows:
BSP version :Yocto 2.1 
Kernel version: 4.1.15
But there is no such phenomenon on Yocto 1.8(Kernel version:3.14.52).

Outcomes