atom feed6 messages in org.freebsd.freebsd-smpProblems with accessing ports on mult...
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Arjan KnepperSep 28, 2001 1:19 am 
Bruce EvansSep 28, 2001 4:17 am 
Arjan KnepperSep 28, 2001 4:53 am 
Bruce EvansSep 28, 2001 5:33 am 
Arjan KnepperSep 28, 2001 7:23 am 
Arjan KnepperSep 29, 2001 8:05 am.txt, .txt
Subject:Problems with accessing ports on multiple Cyclades YeP cards
From:Arjan Knepper (arj@jak.nl)
Date:Sep 28, 2001 1:19:07 am
List:org.freebsd.freebsd-smp

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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