hy(4) Unsupported hy(4)Namehy - Network Systems Hyperchannel interface
device hy0 at uba0 csr 0172410 vector hyint
The interface provides access to a Network Systems Corporation Hyper‐
The network to which the interface is attached is specified at boot
time with an SIOCSIFADDR ioctl. The host's address is discovered by
reading the adapter status register. The interface will not transmit
or receive packets until the network number is known.
If the adapter does not respond to the status command issued during
autoconfigure, the adapter is assumed down. A reboot is required to
hy%d: unit number 0x%x port %d type %x microcode level 0x%x.
Identifies the device during autoconfiguration.
hy%d: can't handle af%d.
The interface was handed a message with addresses formatted in an
unsuitable address family; the packet was dropped.
hy%d: can't initialize.
The interface was unable to allocate UNIBUS resources. This is usually
due to having too many network devices on an 11/750 where there are
only 3 buffered data paths.
hy%d: NEX - Non Existent Memory.
Non existent memory error returned from hardware.
hy%d: BAR overflow.
Bus address register overflow error returned from hardware.
hy%d: Power Off bit set, trying to reset.
Adapter has lost power, driver will reset the bit and see if power is
still out in the adapter.
hy%d: Power Off Error, network shutdown.
Power was really off in the adapter, network connections are dropped.
Software does not shut down the network unless power has been off for a
hy%d: RECVD MP > MPSIZE (%d).
A message proper was received that is too big. Probable a driver bug.
hy%d: xmit error - len > hy_olen [%d > %d].
Probable driver error. Shouldn't happen.
hy%d: DRIVER BUG - INVALID STATE %d.
The driver state machine reached a non-existent state. Definite driver
hy%d: watchdog timer expired.
A command in the adapter has taken too long to complete. Driver will
abort and retry the command.
hy%d: adapter power restored.
Software was able to reset the power off bit, indicating that the power
has been restored.
See Alsointro(4n), inet(4f)