From owner-freebsd-bugs  Sat Mar 14 10:40:04 1998
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Date: Sat, 14 Mar 1998 10:35:46 -0800 (PST)
From: jjr@sapphire.alisa.org
To: freebsd-gnats-submit@FreeBSD.ORG
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Subject: kern/6006: cy driver panics machine when a user dials into an attached modem
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>Number:         6006
>Category:       kern
>Synopsis:       cy driver panics machine when a user dials into an attached modem
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Quarter:
>Keywords:
>Date-Required:
>Class:          support
>Submitter-Id:   current-users
>Arrival-Date:   Sat Mar 14 10:40:01 PST 1998
>Last-Modified:
>Originator:     John J. Rushford Jr.
>Organization:
>Release:        FreeBSD 2.2.5
>Environment:
FreeBSD snow.alisa.org 2.2.5-RELEASE FreeBSD 2.2.5-RELEASE #0: Fri Mar 13:00:25 MST 1998 root@snow.alisa.org:/usr/src/compile/SNOW i386
>Description:
Installed a Cyclades 8yePCI multiports card on an Intel Pentium 
machine with 96MB Ram, Adaptec 2940AU SCSI board, Diamond Stealth 3D
2000 w/4MB PCI Video card, Logitech BUS Mouse ISA card, and Novell
NE2000+ ISA network card.  Configured the cy driver in the kernel
thusly:

    options cy0

Made devices thusly:
    cd /dev
    ./MAKEDEV ttyc0
    ./MAKEDEV cuac0

Edited /etc/ttys and turned on a getty using ttyc00

uncommented /etc/rc.serial (Note had to modify rc.serial and add 
  leading 0's so that /dev/ttyd00, etc would be reset).

Booted machine.  User trys dialing into an attached modem, machine
panics with "Double Fault message" and screen gets zapped with 
about a million colors.  Have to power cycle machine to bring it
back to life.
>How-To-Repeat:
Dial into the modem again.
>Fix:
Help, I have to get this board working!
>Audit-Trail:
>Unformatted:

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