Cisco switch 4507R+E error - unable to enumerate USB device on port 2

[Umesh Prajapati11238]

Dear All,

I unable to understand what is the meaning of below logs as today I have seen logs in my cisco 4507R+E switch.

Can anyone explain.

Jun 19 02:25:49.189: %IOSXE-3-PLATFORM: 3 process kernel: [24667551.694086] hub 1-0:1.0: unable to enumerate USB device on port 2
Jun 19 02:25:50.045: %IOSXE-3-PLATFORM: 3 process kernel: [24667552.549912] usb 1-2: parent hub has no TT
Jun 19 02:25:50.101: %IOSXE-3-PLATFORM: 3 process kernel: [24667552.605901] hub 1-0:1.0: unable to enumerate USB device on port 2

thank you

[marce1000]

  @Umesh Prajapati11238   - According to this bug report https://bst.cisco.com/bugsearch/bug/CSCuv68251?rfs=qvred
                                              the message is harmless (it refers to another platform, but  harmless is applicable for your platform too)

  M.