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Conference 7.286::fddi

Title:FDDI - The Next Generation
Moderator:NETCAD::STEFANI
Created:Thu Apr 27 1989
Last Modified:Thu Jun 05 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:2259
Total number of notes:8590

1995.0. "NT3.51, SP2, DEFPA - hanging problem." by OTOOA::JPOND () Mon Mar 25 1996 12:50

    Hi,
    
    I have a customer who has over a dozen Sables running Windows NT, all
    with similar configurations, and he is experiencing a common problem
    across most of the machines.
    
    These machines all have DEFPA's installed.  When he upgraded from NT
    3.51 SP1 to SP2, the problem appeared. After about 10 days of problem
    free operation, the systems will hang.
    
    The customer escalated this through the "regular channels", but no
    concrete solution has been provided. Apparently, at some point in the
    process, the problem was handed off to Microsoft and now the issue is
    in the bit bucket.  An O/S hotfix was provided but this did not fix the
    problem.
    
    I have checked with the customer, and the version of the DEFPA firmware
    which is on the V4.3 firmware CDROM is the same one that is on the
    failing systems.
    
    Does anyone have any input on this?  This is a very frustrating
    experience.
    
    Thanks in advance,
    Jim
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1995.1NETCAD::STEFANII *CAN* drive 65!Mon Mar 25 1996 13:0610
    >>These machines all have DEFPA's installed.  When he upgraded from NT
    >>3.51 SP1 to SP2, the problem appeared. After about 10 days of problem
    >>free operation, the systems will hang.
    
    Enough things likely changed from SP1 to SP2 that I don't know what
    could be causing this.  Now that SP4 just got released, you may want to
    suggest that your customer install SP4 on one or two of the problem
    systems and see if things get better.

    /l
1995.2DEFPA-DA's hanging on Alpha VMS V6.2 w/DECnet IVNPSS::MAJIKASMon Mar 25 1996 14:098
    Boeing is having what seems to be the same problem with DEFPA-DA's
    hanging. They are running Alpha VMS 6.2 with DECnet Phase 4. Could this
    be the same problem? Should they try SP4 also? If so, what is the best
    way to get a copy?
    
    Thanks,
    
    Dennis
1995.3NETRIX::thomasThe Code WarriorMon Mar 25 1996 14:421
Huh?  SP4 is WNT service pack 4 which will does not run on VMS.
1995.4OTOOA::JPONDTue Mar 26 1996 18:4013
    Additional information:
    
    a)  they have been able to reproduce this problem with an Intel box.
    Again, the problem occurs when NT is upgraded from SP1 to SP2.
    b)  re: .1  Thanks for the pointer, but he has tried SP4 and this does
    *not* fix the problem.
    
    Any other ideas? This customer is close to throwing away all his 
    DEFPA's (and probably demanding his money back), and he has over
    30 of them.
    
    Regards,
    Jim
1995.5NETCAD::STEFANITue Mar 26 1996 18:4711
    >>Any other ideas? This customer is close to throwing away all his 
    >>DEFPA's (and probably demanding his money back), and he has over
    >>30 of them.
    
    What's making him point to the DEFPA?  Is the green LED on the back of
    the DEFPA off?  That would indicate that the adapter halted or the
    driver was unloading by the system.  Are there any messages in the
    event viewer around the time this happens?  Is the customer running any
    particular kind of SW when the problem occurs?
    
    /l
1995.6OTOOA::JPONDThu Mar 28 1996 14:282
    Handled off-line for now.
    Jim
1995.7OTOOA::JPONDFri Mar 29 1996 10:424
    I notice there is a new DEFPA.SYS  in SP4.  Can someone enumerate the
    new changes in this version?
    
    Thanks Jim
1995.8And the log jam is?NETCAD::TREMBLAYMon Apr 01 1996 18:325
    For those of you who are interested this is the Corel Systems IPMT
    case number CFS.35504.  I will post the solution when we finish.
    
    cheers
    jc
1995.9OTOOA::JPONDSat Apr 20 1996 22:5912
    An update:  this customer has taken off the Service Packs, and has
    again been presented with this problem.  
    
    Basically, what happens is that IP and IPX stop functioning, while
    everything else (Netbeui, Appletalk) continues running. An error is
    generated saying something along the lines of "problem encountered,
    continuing...".
    
    I will get far more involved of the details of this problem this
    week...stay tuned...
    
    Jim
1995.10OTOOA::JPONDThu May 30 1996 11:425
    This problem has been rectified by applying a hotfix from Microsoft.
    The problem apparently was related to ARP cache parameters.
    
    Just fyi...
    Jim