i get similar error today:

usb 2-1: new full speed USB device using address 5
usbfs: USBDEVFS_CONTROL failed cmd coldsync dev 5 rqt 194 rq 4 len 20 ret -32
usbfs: USBDEVFS_CONTROL failed cmd coldsync dev 5 rqt 194 rq 4 len 20 ret -110
usb 2-1: USB disconnect, address 5
usb 2-1: control timeout on ep0in
Badness in ohci_endpoint_disable at drivers/usb/host/ohci-hcd.c:337
Call Trace:
 [<f88c6c6d>] ohci_endpoint_disable+0xb1/0x1a0 [ohci_hcd]
 [<c02b6c83>] hcd_endpoint_disable+0x20f/0x21c
 [<c02b7d82>] usb_disable_endpoint+0x2a/0x64
 [<c02b7e27>] usb_disable_device+0x1b/0xa8
 [<c02b3113>] usb_disconnect+0xb3/0xf0
 [<c02b4b9d>] hub_port_connect_change+0x51/0x24c
 [<c02b4ece>] hub_events+0x136/0x2e4
 [<c02b50ab>] hub_thread+0x2f/0xdc
 [<c02b507c>] hub_thread+0x0/0xdc
 [<c011b048>] default_wake_function+0x0/0x1c
 [<c01071b9>] kernel_thread_helper+0x5/0xc

this error i get after 12 day uptime.
to recover i try unload ohci_hcd module, but rmmod freeze (and i do reboot)



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