USB Host Controller detected and remove

Hi,

I played with linux and I don’t know what I did, but now I gets on the serial console, many messagess like this:

[  777.546148] ci_hdrc ci_hdrc.1: remove, state 4
[  777.550638] usb usb2: USB disconnect, device number 1
[  777.556562] ci_hdrc ci_hdrc.1: USB bus 2 deregistered
[  777.650604] ci_hdrc ci_hdrc.1: EHCI Host Controller
[  777.655555] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 2
[  777.683530] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00
[  777.692408] hub 2-0:1.0: USB hub found
[  777.696271] hub 2-0:1.0: 1 port detected
[  782.546506] ci_hdrc ci_hdrc.1: remove, state 4
[  782.550995] usb usb2: USB disconnect, device number 1
[  782.559427] ci_hdrc ci_hdrc.1: USB bus 2 deregistered
[  782.649960] ci_hdrc ci_hdrc.1: EHCI Host Controller
[  782.654918] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 2
[  782.683883] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00
[  782.692773] hub 2-0:1.0: USB hub found
[  782.698507] hub 2-0:1.0: 1 port detected
[  783.546585] ci_hdrc ci_hdrc.1: remove, state 4
[  783.551109] usb usb2: USB disconnect, device number 1
[  783.559416] ci_hdrc ci_hdrc.1: USB bus 2 deregistered
[  783.650043] ci_hdrc ci_hdrc.1: EHCI Host Controller
[  783.654994] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 2
[  783.684022] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00
[  783.692894] hub 2-0:1.0: USB hub found
[  783.698532] hub 2-0:1.0: 1 port detected
[  788.547012] ci_hdrc ci_hdrc.1: remove, state 4
[  788.551502] usb usb2: USB disconnect, device number 1
[  788.559986] ci_hdrc ci_hdrc.1: USB bus 2 deregistered
[  788.650434] ci_hdrc ci_hdrc.1: EHCI Host Controller
[  788.655394] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 2
[  788.684415] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00
[  788.693294] hub 2-0:1.0: USB hub found
[  788.698841] hub 2-0:1.0: 1 port detected
[  793.547441] ci_hdrc ci_hdrc.1: remove, state 4
[  793.551931] usb usb2: USB disconnect, device number 1
[  793.563774] ci_hdrc ci_hdrc.1: USB bus 2 deregistered
[  793.650801] ci_hdrc ci_hdrc.1: EHCI Host Controller
[  793.655762] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 2
[  793.684783] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00
[  793.693654] hub 2-0:1.0: USB hub found
[  793.699346] hub 2-0:1.0: 1 port detected
[  795.547537] ci_hdrc ci_hdrc.1: remove, state 4
[  795.552046] usb usb2: USB disconnect, device number 1
[  795.560369] ci_hdrc ci_hdrc.1: USB bus 2 deregistered
[  795.650992] ci_hdrc ci_hdrc.1: EHCI Host Controller
[  795.655939] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 2
[  795.685003] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00
[  795.693874] hub 2-0:1.0: USB hub found
[  795.699389] hub 2-0:1.0: 1 port detected
[  796.547648] ci_hdrc ci_hdrc.1: remove, state 4
[  796.552137] usb usb2: USB disconnect, device number 1
[  796.560632] ci_hdrc ci_hdrc.1: USB bus 2 deregistered
[  796.651109] ci_hdrc ci_hdrc.1: EHCI Host Controller
[  796.656070] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 2
[  796.685074] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00
[  796.693941] hub 2-0:1.0: USB hub found
[  796.699588] hub 2-0:1.0: 1 port detected

How can I fix it?

What exact carrier board are you using? Looks like your USB cable detect pin may be toggling.

Colibri Evaluation V3.2B

You are welcome. Thanks for the feedback.

Thank you, it was probably closed JP2.