USBNET(4)               NetBSD Kernel Interfaces Manual              USBNET(4)

NAME
     usbnet -- generic USB network driver backend diagnostics

DESCRIPTION
     The usbnet subsystem provides support for USB network devices.  This man-
     ual describes diagnostics that may be seen.

DIAGNOSTICS
     devN: sysctl_createv failed
                 Unable to create debug node for NetBSD.

     devN: usb errors on rx
                 Error status from device upon Rx interrupt, device may be
                 non-functional.

     devN: usb error on tx
                 Error status from device upon Tx interrupt., device may be
                 non-functional.

     devN: usb error on intr
                 Error status from device upon interrupt, device may be non-
                 functional.

     devN: rxeof: too large transfer
                 Network input rejected.

     devN: close pipe N
                 Closing of Rx, Tx or Interrupt pipe failed, device may be
                 non-functional.

     devN: open rx/tx pipes failed
                 Opening of Rx or Tx pipes failed, device non-functional.

     devN: [rt]x list init failed
                 Creation of Rx or Tx list failed, device non-functional.

     devN: watchdog timeout
                 Time out in transmission.

     devN: pipe abort failed
                 Aborting USB pipes after watchdog timeout failed.

     devN: if_initialize failed
                 Couldn't register network interface, device non-functional.

     devN: couldn't establish power handler
                 Call to pmf_device_register(9) failed, disabling system sus-
                 pend.

     The usbnet manual lists generic diagnostics generated by USB network
     devices.

SEE ALSO
     arp(4), aue(4), axe(4), axen(4), cdce(4), cue(4), ifmedia(4), intro(4),
     kue(4), mos(4), mue(4), netintro(4), smsc(4), udav(4), upl(4), ure(4),
     url(4), urndis(4), usb(4), usbnet(9)

HISTORY
     The usbnet framework first appeared in NetBSD 9.0.

AUTHORS
     The usbnet framework was written by Matthew R. Green <mrg@eterna.com.au>

NetBSD 9.0                      August 24, 2019                     NetBSD 9.0

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