Quoting Alan Altmark <[EMAIL PROTECTED]>:

> Do you have all 3 of the 2.2 IUCV patches applied?

Yup, I tried 2 kernels:  One's a kernel I compiled with the 3 patches, and the
other is the kernel provided from SuSE (both 2.2.16 of course).

> MTU size has nothing to do with connection errors (CTC or IUCV).  The
> timeout error is what VM TCP/IP displays when the other side doesn't
> respond to an IUCV connect within 20 (?) seconds or so, indicating that
> the Linux side isn't quite right.  You didn't post of VM TCP/IP IUCV
> configuration nor the options used on the netiucv module.

I only use 'iucv=TCPIP' in the kernel command line.  That's it.
The weird thing is, that when I open a 3270 session to a machine/user that is
stuck, and I press a couple of enters, then "b" in the CP Read, the connection
returns to its original state (starts working again).

Here's the tcpip configuration (I hope I didn't leave important stuff out :-) :

DEVICE   VMJGIG   OSD   F000 PORTNAME GIGPF0  PRIROUTER  AUTORESTART
LINK     VMJGIG   QDIOETHERNET VMJGIG


DEVICE   LNXJMST1  IUCV  0  0  LNXJMST1  A
LINK     LNXJMST1  IUCV  0  LNXJMST1

192.168.48.20   =           LNXJMST1  16384     HOST

Thanks a lot for you help!
Yuval.


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