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Date:      Fri, 28 Sep 2001 10:19:29 +0200
From:      Arjan Knepper <arjan@jak.nl>
To:        freebsd-smp@freebsd.org
Subject:   Problems with accessing ports on multiple Cyclades YeP cards 
Message-ID:  <3BB43291.3070208@jak.nl>

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I have a big problem with accessing the YeP serial ports in a Dell 
PowerEdge 2550 with Dual Pentium III 933Mhz.

For some reason al YeP boards and serial ports ARE detected, but when I 
try to access the serial ports with cu  only one board is accessable, 
trying to connect a port on the other YeP board leaves me with 2 cu 
proccesses both connecting to the same port and one of those processes 
could not be killed.

For example:
# cu -l /dev/cuac00
Connected
~.
Disconnected
#
# cu -l /dev/cuac10
Connected.
~.                                // No respons; ps -ax shows 2 cu 
processes both connecting /dev/cuac10, one of the is not killable.

Any ideas??
Has it something to do with SMP? (We have a single processor PII400 
Inetl 440 chipsset machines working with 2 Cyclades boards without problems)
Building a Single processor kernel didn't help it even got worse because 
the machine locks-up in the boot process after detecting the third board 
and ports, diconnecting two of the three cables solved the boot-lockup.

TIA
Arjan Knepper


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