I tried applying the change recommend in #1
sudo mv /lib/udev/rules.d/70-hid2hci.rules{,.disabled}
this did not resolve the issue.
dmesg output:
[ 2572.360286] input: appletouch disconnected
[ 2572.462156] usb 7-2: reset full speed USB device using uhci_hcd and address 3
[ 2572.607728] appletouch: Geyser mode initialized.
[ 2572.607846] input: appletouch as
/devices/pci0000:00/0000:00:1d.2/usb7/7-2/7-2:1.1/input/input10
[ 2578.342280] input: appletouch disconnected
[ 2578.444140] usb 7-2: reset full speed USB device using uhci_hcd and address 3
[ 2578.557133] usb 7-2: device descriptor read/64, error -71
[ 2578.770135] usb 7-2: device descriptor read/64, error -71
[ 2578.973158] usb 7-2: reset full speed USB device using uhci_hcd and address 3
[ 2579.085153] usb 7-2: device descriptor read/64, error -71
[ 2579.299101] usb 7-2: device descriptor read/64, error -71
[ 2579.502152] usb 7-2: reset full speed USB device using uhci_hcd and address 3
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keybord lose usb connection
https://bugs.launchpad.net/bugs/395568
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