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stc(7D) Devices SunOS 5.5

EINTR The open was interrupted by the delivery of a signal.

EPERM The control port for the board was opened by a process whose uid was

not root.

An ioctl() will fail with errno set to:

ENOSR A STREAMS data block couldn’t be allocated to return data to the caller.

EINVAL An invalid value was passed as the data argument to the ioctl() call or

an invalid argument or op-ﬁeld was passed in one of the driver-speciﬁc

ioctl()’s.

EPERM An STC_GSTATS ioctl() was requested by a process whose uid was not

root.

ENOTTY An unrecognized ioctl() command was received.

FILES /dev/term/[00-3f]

/dev/ttyy[00-3f] hardwired and dial-in tty lines

/dev/cua/[00-3f]

/dev/ttyz[00-3f] dial-out tty lines

/dev/printers/[0-7]

/dev/stclp[0-7] parallel port lines

/dev/stc[0-7] control port

/usr/include/sys/stcio.h header ﬁle with ioctl()’s supported by this driver

SEE ALSO tip(1), uucp(1C), pmadm(1M), termios(3), mcpp(7D), termio(7I), termiox(7I),

ldterm(7M), ttcompat(7M), allocb(9F), bufcall(9F)

DIAGNOSTICS All diagnostic messages from the driver appear on the system console. There are three

severity levels of messages displayed:

FATAL - the device driver does not get loaded and any SPC/S boards installed in the

system are inaccessible (usually occurs during the process of modload’ing the

driver).

ERROR - some condition has caused the normal operation of the board and/or device

driver to be disrupted; data loss may or may not occur; this class of message

might indicate an impending hardware failure.

ADVISORY -

the device driver has detected a condition that may be of interest to the user of

the system; usually this is a transient condition that clears itself.

Messages During

Initialization Of

Driver/Board:

stc_attach: can’t allocate memory for unit structs

FATAL. kmem_zalloc() failed to allocate memory for the driver’s internal

data structures.

stc_attach: board revision undeterminable

FATAL. The driver did not get a hardware revision level from the board’s

onboard FCode PROM.

7D-320 modiﬁed 2 Aug 1993

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