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Date: Sat, 7 Dec 1996 03:54:04 +1100 (EST)
From: Julian Assange <proff@iq.org>
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To: FreeBSD-gnats-submit@freebsd.org
Subject: <Synopsis of the problem (one line)>
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Resent-From: Bill Fenner <fenner@freefall.freebsd.org>
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>Number:         2218
>Category:       i386
>Synopsis:       cy.c XON/XOFF handling crashes kernel
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat Dec 14 23:20:01 PST 1996
>Last-Modified:  Sun Dec 15 00:38:38 PST 1996
>Originator:     Julian Assange
>Organization:
>Release:        FreeBSD 3.0-CURRENT i386
>Environment:

Cyclades 16/Ye/PCI. -current kernel a few days old + patch for the
cy cuac* DCD transition bug.

Wyse terminal at 19,200 bps with XON/XOFF handshaking, vt100 mode
attached to ttyc0e. standard getty, std.19200 gettytab

speed 19200 baud; 0 rows; 0 columns;
lflags: -icanon isig iexten -echo echoe -echok echoke -echonl echoctl
        -echoprt -altwerase -noflsh -tostop -flusho -pendin -nokerninfo
        -extproc
iflags: -istrip -icrnl -inlcr -igncr ixon -ixoff ixany imaxbel ignbrk
        brkint -inpck -ignpar -parmrk
oflags: opost onlcr oxtabs
cflags: cread cs8 -parenb -parodd hupcl -clocal -cstopb crtscts -dsrflow
        -dtrflow -mdmbuf
cchars: discard = ^O; dsusp = <undef>; eof = ^D; eol = <undef>;
        eol2 = <undef>; erase = ^?; intr = ^C; kill = ^U;
        lnext = <undef>; min = 1; quit = ^\; reprint = ^R; start = ^Q;
        status = <undef>; stop = ^S; susp = ^Z; time = 0; werase = ^W;

(same prob with -crtscts too)

	

>Description:

The wyse terminal can not keep up at 19200 and so sends XON characters as
flow control.

As a result system reboots/panics (not sure which, no console).

	

>How-To-Repeat:

	

>Fix:
	
	

>Audit-Trail:
Responsible-Changed-From-To: gnats-admin->freebsd-bugs 
Responsible-Changed-By: fenner 
Responsible-Changed-When: Sun Dec 15 00:37:54 PST 1996 
Responsible-Changed-Why:  
Fix malformed problem report 
>Unformatted:
cy.c XON/XOFF handling crashes kernel