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What is the output voltage set to and what do you read with a DMM?
[1184457.106175] usb 3-2: reset low-speed USB device number 5 using uhci_hcd[1184457.382106] usb 3-2: device descriptor read/64, error -71[1184457.766109] usb 3-2: device descriptor read/64, error -71[1184458.146055] usb 3-2: reset low-speed USB device number 5 using uhci_hcd[1184458.422129] usb 3-2: device descriptor read/64, error -71[1184458.810121] usb 3-2: device descriptor read/64, error -71[1184459.186114] usb 3-2: reset low-speed USB device number 5 using uhci_hcd[1184459.602123] usb 3-2: device not accepting address 5, error -71[1184459.870169] usb 3-2: reset low-speed USB device number 5 using uhci_hcd[1184460.290165] usb 3-2: device not accepting address 5, error -71[1184460.290792] usb 3-2: USB disconnect, device number 5[1184460.418112] usb 3-2: new low-speed USB device number 6 using uhci_hcd[1184460.558120] usb 3-2: device descriptor read/64, error -71[1184460.806125] usb 3-2: device descriptor read/64, error -71[1184461.046139] usb 3-2: new low-speed USB device number 7 using uhci_hcd[1184461.182125] usb 3-2: device descriptor read/64, error -71[1184461.430128] usb 3-2: device descriptor read/64, error -71[1184461.542225] usb usb3-port2: attempt power cycle[1184461.542263] usb usb3-port2: failed to disable port power[1184461.670134] usb 3-2: new low-speed USB device number 8 using uhci_hcd[1184462.086168] usb 3-2: device not accepting address 8, error -71[1184462.214130] usb 3-2: new low-speed USB device number 9 using uhci_hcd[1184462.630145] usb 3-2: device not accepting address 9, error -71[1184462.630628] usb usb3-port2: unable to enumerate USB device