OSR6... user gets bumped back to a login prompt randomly...

From: foz_67 (foz_67_at_hotmail.com)
Date: 10/31/05 

Date: 31 Oct 2005 07:31:27 -0800

Hi there,

Just upgraded a server from OSR5.0.5 to OSR6 and I have two users
constantly getting dropped back to a login prompt. No messages are
reported in the messages or syslog files and there is no message on the
screen when the user gets bumped out, just back to a login prompt.
This can be when the user is running an application or when they're
just moving from directory to directory.

Connecting one with a PC through it's serial port and running Procomm
to a Digi Etherlite80 RealPort. And the second is a wyse150 terminal
connected the same way.
Server is running OSR6 with osr600mpi and oss702b installed.
This is on a new Dell PowerEdge 800sc.

This was running great on an NCR S20 connected through a MultiPort.

We're only using IXON IXOFF so just send, receive, and signal ground
for pinouts.

We've swapped ports and the problem follows the PC. There are 2
other terminals connected to the same Digi Etherlite80 board that
don't have this issue.

Emulation on the PC running procomm... vt100
Emulation on the Wyse150... adds
Emulation on the Wyse150's that don't have this issue... adds

stty -a on all logged in ports (working ones and the problem ones)
are the same as below...

speed 38400 baud;
rows = 0; columns = 0; ypixels = 0; xpixels = 0;
min = 1; time = 30;
intr = DEL; quit = ^|; erase = ^h; kill = ^u;
eof = ^a; eol = ^~; eol2 = <undef>; swtch = <undef>;
start = ^q; stop = ^s; susp = ^z; dsusp = <undef>;
rprnt = ^r; flush = ^o; werase = ^w; lnext = ^v;
-parenb -parodd -parext cs8 -cstopb hupcl cread -clocal -loblk
-ignbrk -brkint -inpck ignpar -parmrk -istrip -inlcr -igncr -icrnl
-iuclc
ixon -ixany ixoff -imaxbel
-opost -olcuc -onlcr -ocrnl -onocr -onlret -ofill -ofdel
-isig -icanon -xcase -echo -echoe echok -echonl -noflsh
-tostop -echoctl -echoprt -echoke -defecho -flusho -pendin -iexten
-rtsxoff -ctsxon -dtrxoff -cdxon -isxoff xcibrg rcibrg tsetcoff
rsetcoff
-isscancode -xscancode

I've tried swapping ports.
I set -hupcl on the port as well to see if DTR is dropping, but
we're only using send/receive.

Can a cable do this?
I'm at a loss. Does anyone have any ideas of what I can try?

Thanks for your time.
Don.

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