Hello,
I am having problem with beaglebone blue and USB/RS485 converter
https://shopdelta.eu/converter-usbrs485_l2_p8997.html
Everything was working fine and suddenly rs485 adapter disappeared
I am geeting Babble error
[ 0.277908] usbcore: registered new interface driver usbfs
[ 0.277965] usbcore: registered new interface driver hub
[ 0.278083] usbcore: registered new device driver usb
[ 1.175484] usbcore: registered new interface driver smsc95xx
[ 1.177039] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 1.178159] usbcore: registered new interface driver usb-storage
[ 1.181453] am335x-phy-driver 47401300.usb-phy: 47401300.usb-phy supply vcc not found, using dummy regulator
[ 1.181641] am335x-phy-driver 47401300.usb-phy: Linked as a consumer to regulator.0
[ 1.185030] am335x-phy-driver 47401b00.usb-phy: 47401b00.usb-phy supply vcc not found, using dummy regulator
[ 1.185191] am335x-phy-driver 47401b00.usb-phy: Linked as a consumer to regulator.0
[ 1.188647] musb-hdrc musb-hdrc.1: MUSB HDRC host driver
[ 1.188689] musb-hdrc musb-hdrc.1: new USB bus registered, assigned bus number 1
[ 1.189021] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 4.19
[ 1.189032] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 1.189039] usb usb1: Product: MUSB HDRC host driver
[ 1.189046] usb usb1: Manufacturer: Linux 4.19.94-ti-r42 musb-hcd
[ 1.189054] usb usb1: SerialNumber: musb-hdrc.1
[ 1.189870] hub 1-0:1.0: USB hub found
[ 1.525083] musb-hdrc musb-hdrc.1: Babble
[ 1.529284] musb-hdrc musb-hdrc.1: Babble
[ 1.869098] musb-hdrc musb-hdrc.1: Babble
[ 1.873323] musb-hdrc musb-hdrc.1: Babble
[ 2.285087] musb-hdrc musb-hdrc.1: Babble
[ 2.289307] musb-hdrc musb-hdrc.1: Babble
[ 2.701173] musb-hdrc musb-hdrc.1: Babble
[ 2.705397] musb-hdrc musb-hdrc.1: Babble
[ 3.117083] musb-hdrc musb-hdrc.1: Babble
[ 3.121315] musb-hdrc musb-hdrc.1: Babble
[ 3.476284] usb usb1-port1: Cannot enable. Maybe the USB cable is bad?
[ 3.545116] musb-hdrc musb-hdrc.1: Babble
[ 3.549335] musb-hdrc musb-hdrc.1: Babble
[ 3.889098] musb-hdrc musb-hdrc.1: Babble
[ 3.893326] musb-hdrc musb-hdrc.1: Babble
[ 4.305120] musb-hdrc musb-hdrc.1: Babble
[ 4.309327] musb-hdrc musb-hdrc.1: Babble
[ 4.720954] musb-hdrc musb-hdrc.1: Babble
[ 4.725076] musb-hdrc musb-hdrc.1: Babble
[ 5.136897] musb-hdrc musb-hdrc.1: Babble
[ 5.141005] musb-hdrc musb-hdrc.1: Babble
[ 5.495949] usb usb1-port1: Cannot enable. Maybe the USB cable is bad?
[ 5.502603] usb usb1-port1: attempt power cycle
[ 5.872903] musb-hdrc musb-hdrc.1: Babble
[ 5.876988] musb-hdrc musb-hdrc.1: Babble
[ 6.216893] musb-hdrc musb-hdrc.1: Babble
[ 6.220967] musb-hdrc musb-hdrc.1: Babble
[ 6.632884] musb-hdrc musb-hdrc.1: Babble
[ 6.636955] musb-hdrc musb-hdrc.1: Babble
[ 7.048895] musb-hdrc musb-hdrc.1: Babble
[ 7.052973] musb-hdrc musb-hdrc.1: Babble
[ 7.464891] musb-hdrc musb-hdrc.1: Babble
[ 7.468963] musb-hdrc musb-hdrc.1: Babble
[ 7.823940] usb usb1-port1: Cannot enable. Maybe the USB cable is bad?
[ 7.884890] musb-hdrc musb-hdrc.1: Babble
[ 7.888966] musb-hdrc musb-hdrc.1: Babble
[ 8.228895] musb-hdrc musb-hdrc.1: Babble
[ 8.232967] musb-hdrc musb-hdrc.1: Babble
[ 8.644891] musb-hdrc musb-hdrc.1: Babble
[ 8.648961] musb-hdrc musb-hdrc.1: Babble
[ 9.060893] musb-hdrc musb-hdrc.1: Babble
[ 9.064968] musb-hdrc musb-hdrc.1: Babble
[ 9.476891] musb-hdrc musb-hdrc.1: Babble
[ 9.480962] musb-hdrc musb-hdrc.1: Babble
[ 9.835932] usb usb1-port1: Cannot enable. Maybe the USB cable is bad?
[ 9.842565] usb usb1-port1: unable to enumerate USB device
[ 53.528949] usb0: HOST MAC f4:5e:ab:3c:2c:ad
[ 53.534542] usb0: MAC f4:5e:ab:3c:2c:ac
[ 53.562611] usb1: HOST MAC f4:5e:ab:3c:2c:af
[ 53.563517] usb1: MAC f4:5e:ab:3c:2c:b0
[ 54.010985] IPv6: ADDRCONF(NETDEV_UP): usb0: link is not ready
[ 54.336835] IPv6: ADDRCONF(NETDEV_UP): usb1: link is not ready
root@beaglebone:/home/igluturbo# dmesg | grep -i USB4
root@beaglebone:/home/igluturbo# dmesg | grep -i USB4
root@beaglebone:/home/igluturbo# dmesg | grep -i USB
[ 0.277908] usbcore: registered new interface driver usbfs
[ 0.277965] usbcore: registered new interface driver hub
[ 0.278083] usbcore: registered new device driver usb
[ 1.175484] usbcore: registered new interface driver smsc95xx
[ 1.177039] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 1.178159] usbcore: registered new interface driver usb-storage
[ 1.181453] am335x-phy-driver 47401300.usb-phy: 47401300.usb-phy supply vcc not found, using dummy regulator
[ 1.181641] am335x-phy-driver 47401300.usb-phy: Linked as a consumer to regulator.0
[ 1.185030] am335x-phy-driver 47401b00.usb-phy: 47401b00.usb-phy supply vcc not found, using dummy regulator
[ 1.185191] am335x-phy-driver 47401b00.usb-phy: Linked as a consumer to regulator.0
[ 1.188647] musb-hdrc musb-hdrc.1: MUSB HDRC host driver
[ 1.188689] musb-hdrc musb-hdrc.1: new USB bus registered, assigned bus number 1
[ 1.189021] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 4.19
[ 1.189032] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 1.189039] usb usb1: Product: MUSB HDRC host driver
[ 1.189046] usb usb1: Manufacturer: Linux 4.19.94-ti-r42 musb-hcd
[ 1.189054] usb usb1: SerialNumber: musb-hdrc.1
[ 1.189870] hub 1-0:1.0: USB hub found
[ 1.525083] musb-hdrc musb-hdrc.1: Babble
[ 1.529284] musb-hdrc musb-hdrc.1: Babble
[ 1.869098] musb-hdrc musb-hdrc.1: Babble
[ 1.873323] musb-hdrc musb-hdrc.1: Babble
[ 2.285087] musb-hdrc musb-hdrc.1: Babble
[ 2.289307] musb-hdrc musb-hdrc.1: Babble
[ 2.701173] musb-hdrc musb-hdrc.1: Babble
[ 2.705397] musb-hdrc musb-hdrc.1: Babble
[ 3.117083] musb-hdrc musb-hdrc.1: Babble
[ 3.121315] musb-hdrc musb-hdrc.1: Babble
[ 3.476284] usb usb1-port1: Cannot enable. Maybe the USB cable is bad?
[ 3.545116] musb-hdrc musb-hdrc.1: Babble
[ 3.549335] musb-hdrc musb-hdrc.1: Babble
[ 3.889098] musb-hdrc musb-hdrc.1: Babble
[ 3.893326] musb-hdrc musb-hdrc.1: Babble
[ 4.305120] musb-hdrc musb-hdrc.1: Babble
[ 4.309327] musb-hdrc musb-hdrc.1: Babble
[ 4.720954] musb-hdrc musb-hdrc.1: Babble
[ 4.725076] musb-hdrc musb-hdrc.1: Babble
[ 5.136897] musb-hdrc musb-hdrc.1: Babble
[ 5.141005] musb-hdrc musb-hdrc.1: Babble
[ 5.495949] usb usb1-port1: Cannot enable. Maybe the USB cable is bad?
[ 5.502603] usb usb1-port1: attempt power cycle
[ 5.872903] musb-hdrc musb-hdrc.1: Babble
[ 5.876988] musb-hdrc musb-hdrc.1: Babble
[ 6.216893] musb-hdrc musb-hdrc.1: Babble
[ 6.220967] musb-hdrc musb-hdrc.1: Babble
[ 6.632884] musb-hdrc musb-hdrc.1: Babble
[ 6.636955] musb-hdrc musb-hdrc.1: Babble
[ 7.048895] musb-hdrc musb-hdrc.1: Babble
[ 7.052973] musb-hdrc musb-hdrc.1: Babble
[ 7.464891] musb-hdrc musb-hdrc.1: Babble
[ 7.468963] musb-hdrc musb-hdrc.1: Babble
[ 7.823940] usb usb1-port1: Cannot enable. Maybe the USB cable is bad?
[ 7.884890] musb-hdrc musb-hdrc.1: Babble
[ 7.888966] musb-hdrc musb-hdrc.1: Babble
[ 8.228895] musb-hdrc musb-hdrc.1: Babble
[ 8.232967] musb-hdrc musb-hdrc.1: Babble
[ 8.644891] musb-hdrc musb-hdrc.1: Babble
[ 8.648961] musb-hdrc musb-hdrc.1: Babble
[ 9.060893] musb-hdrc musb-hdrc.1: Babble
[ 9.064968] musb-hdrc musb-hdrc.1: Babble
[ 9.476891] musb-hdrc musb-hdrc.1: Babble
[ 9.480962] musb-hdrc musb-hdrc.1: Babble
[ 9.835932] usb usb1-port1: Cannot enable. Maybe the USB cable is bad?
[ 9.842565] usb usb1-port1: unable to enumerate USB device
[ 53.528949] usb0: HOST MAC f4:5e:ab:3c:2c:ad
[ 53.534542] usb0: MAC f4:5e:ab:3c:2c:ac
[ 53.562611] usb1: HOST MAC f4:5e:ab:3c:2c:af
[ 53.563517] usb1: MAC f4:5e:ab:3c:2c:b0
[ 54.010985] IPv6: ADDRCONF(NETDEV_UP): usb0: link is not ready
[ 54.336835] IPv6: ADDRCONF(NETDEV_UP): usb1: link is not ready
This error disappears then I am unplugging and plugging again that adapter.
But now device is in another country ?
How can I reset fully usb port or maybe do something else ?
lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
uname -a
Linux beaglebone 4.19.94-ti-r42 #1buster SMP PREEMPT Tue Mar 31 19:38:29 UTC 2020 armv7l GNU/Linux