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Date:      Tue, 15 Oct 1996 22:14:57 +0300 (EET DST)
From:      Heikki Suonsivu <hsu@clinet.fi>
To:        FreeBSD-gnats-submit@freebsd.org
Subject:   kern/1814: cy driver gets deadlocked sometimes
Message-ID:  <199610151914.WAA29436@katiska.clinet.fi>
Resent-Message-ID: <199610151920.MAA01592@freefall.freebsd.org>

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>Number:         1814
>Category:       kern
>Synopsis:       cy driver gets deadlocked sometimes
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Oct 15 12:20:01 PDT 1996
>Last-Modified:
>Originator:     Heikki Suonsivu
>Organization:
Clinet, Espoo, Finland
>Release:        FreeBSD 2.2-CURRENT i386
>Environment:

One Pentium with one 8 port cy board (plus couple of two-port
ethernet boards and arnet synch serial board).  The machine is used
as a router, with couple of dialin lines and couple of direct lines
connected to whatever weird stuff we have in our computer room 
(UPS alarm, temperature alarm, telephone switches)

One 486-100 with two 8 port cy boards.

>Description:

Processes get hung on ports, unkillable.   On the latter machine
this happened with dialup login account:

1271     29565  0.0  0.1   192   12  c7- IEs+ -          0:00.00  (rlogin.shell)
1271     29694  0.0  1.7   192  224  c7- IE+  -          0:00.00  (rlogin.shell)

On Pentium machine similar hang occured when trying to kermit into a
telephone switch connected to one of the ports of the cyclades board.

>How-To-Repeat:

I do not know yet.  On 486-100 this happened first time after
70 days of uptime, on Pentium after less uptime.  This does not 
seem to happen often, so it is a bit hard to track down.

>Fix:
	
	

>Audit-Trail:
>Unformatted:



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