Serial ports hanging during QNX4 shutdown

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Title: Serial ports hanging during QNX4 shutdown
Keywords: Dev.ser QNX4.2x
Date: Nov 29 1996
KDB Number: kdb-041
Dist: External


Topic: Dev.ser ... dumb serial ports ... qnx4 shutdown
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- if an external serial device continues to send
data to the onboard serial ports during a QNX
shutdown ... the onboard serial ports may
become non-functional because the PIC may be
in an invalid state... and a hardware reset
may be required to clear this condition.

- QNX Dev.ser has a new switch: (ver 4.21 and later)
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*** -w Enables hardware shutdown on SIGPWR
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-W Disable hardware shutdown shutdown on
SIGPWR