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Conference lassie::ucx

Title:DEC TCP/IP Services for OpenVMS
Notice:Note 2-SSB Kits, 3-FT Kits, 4-Patch Info, 7-QAR System
Moderator:ucxaxp.ucx.lkg.dec.com::TIBBERT
Created:Thu Nov 17 1994
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:5568
Total number of notes:21492

5511.0. "system crash - ucx 4.0" by CSC32::J_HENSON (Don't get even, get ahead!) Wed May 14 1997 16:15

ucx v4.0, ovms v6.2, alpha, telnet

A customer is getting a system crash while in ucx.  See next reply for 
a crash dump analysis.

This appears to be similar to other crashes previously reported.  It
appears that a call to ots$call_proc_c is where the error is
occurring because r23 has a 0 in it.

Here are some of the details.
 - the crash is reproducible
 - a pc user telnets into the alpha system, and begins running a
   dcl or dcl-like script.  At some point, he presses ctrl-a to
   abort the script, and this crashes the alpha system.
 - this has occurred twice before they understood what was causing it
   (which they have now stopped), and they have two identical crash
    dumps.
 - their plan is to attempt to reproduce it again tonight at 7:30 cdt,
   and gather more information.

They eventually plan to upgrade both OpenVMS and UCX.  However, I
have found a report of a similar crash with ucx 4.1 eco 5, so I
don't know if it's prudent to upgrade or not.

What is UCX's policy on non-current version.  Do we take the position
that the customer must be running current versions, or should I spr
this?

Please advise.

Jerry
U.S. CSC
T.RTitleUserPersonal
Name
DateLines
5511.1Crash dump analysisCSC32::J_HENSONDon't get even, get ahead!Wed May 14 1997 16:20570
 UNAUTHORIZED USE OF THIS SYSTEM IS STRICTLY FORBIDDEN                          
                                                                                
Username: FIELD                                                                 
Password:                                                                       
    Last interactive login on Tuesday, 13-MAY-1997 17:30:10.60                  
 $ set host usf012                                                              
                                                                                
UNAUTHORIZED USE OF THIS SYSTEM IS STRICTLY FORBIDDEN                           
                                                                                
Username: FIELD                                                                 
Password:                                                                       
User authorization failure                                                      
                                                                                
Username: IELD                                                                  
Password:                                                                       
User authorization failure                                                      
                                                                                
Username: FIELD                                                                 
Password:                                                                       
   Welcome to OpenVMS AXP (TM) Operating System, Version V6.2 on node USF012    
    Last interactive login on Wednesday, 14-MAY-1997 08:33:01.35                
    1 failure since last successful login                                       
 $ set def sys$system                                                           
 $ ana/cra ;                                                                    
                                                                                
$)0                                                                             
$=                                                                              
$<                                                                              
$[1;1f$[J                                                                       
                                                                                
                                                                                
OpenVMS (TM) Alpha System dump analyzer                                         
                                                                                
Dump taken on 13-MAY-1997 15:45:55.05                                           
INVEXCEPTN, Exception while above ASTDEL                                        
                                                                                
SDA> clue crash                                                                 
$[1;1f$[J                                                                       
Crashdump Summary Information:                                                  
------------------------------                                                  
Crash Time:        13-MAY-1997 15:45:55.05                                      
Bugcheck Type:     INVEXCEPTN, Exception while above ASTDEL                     
Node:              USF012  (Clustered)                                          
CPU Type:          AlphaServer 8400 Model 5/300                                 
VMS Version:       V6.2                                                         
Current Process:   NULL                                                         
Current Image:     <not available>                                              
Failing PC:        FFFFFFFF 801144A0                                            
Failing PS:        30000000 00000804                                            
Module:            SYS$TRANSACTION_SERVICES                                     
Offset:            000224A0                                                     
                                                                                
Boot Time:         13-MAY-1997 15:05:33.00                                      
System Uptime:               0 00:40:22.05                                      
Crash/Primary CPU: 00/00                                                        
Saved Processes:   76                                                           
Pagesize:          8 KByte (8192 bytes)                                         
Physical Memory:   1024 MByte (131072 PFNs)                                     
Dumpfile Pagelets: 491733 blocks                                                
                                                                                
                                                                                
$[22;1f                                                                         
    Press RETURN for more.                                                      
SDA>                                                                            
$[1;1f$[J                                                                       
Crashdump Summary Information:                                                  
------------------------------                                                  
Dump Flags:        olddump,writecomp,errlogcomp,dump_style                      
EXE$GL_FLAGS:      poolpging,init,bugdump                                       
                                                                                
Stack Pointers:                                                                 
KSP = FFFFFFFF B2DD7BA8   ESP = FFFFFFFF B2DD9000   SSP = FFFFFFFF B2DD5000     
USP = FFFFFFFF B2DD5000                                                         
                                                                                
General Registers:                                                              
R0  = 40000000 00000000   R1  = 00000000 00000000   R2  = FFFFFFFF FFFFFFFD     
R3  = FFFFFFFF 83AB7240   R4  = FFFFFFFF B2DD7C00   R5  = FFFFFFFF B2DD7D68     
R6  = FFFFFFFF B2DD7DC0   R7  = 30000000 00000804   R8  = FFFFFFFF 816D8F00     
R9  = 00000000 00000000   R10 = 00000000 0000003C   R11 = FFFFFFFF 816D0290     
R12 = FFFFFFFF FFFFFFFF   R13 = FFFFFFFF 83B44380   R14 = FFFFFFFF 83A84200     
R15 = FFFFFFFF 83B424A8   R16 = 00000000 000001CC   R17 = FFFFFFFF B2DD7C00     
R18 = FFFFFFFF B2DD7DC0   R19 = 00000000 027F007C   R20 = FFFFFFFF 81584382     
R21 = 00000000 00000000   R22 = 00000000 004E0780   R23 = 00000000 00000000     
R24 = 00000000 00000001   AI  = 00000000 00000000   RA  = FFFFFFFF 803A9908     
PV  = FFFFFFFF 83AD8620   R28 = 00000000 00000002   FP  = FFFFFFFF B2DD7FD0     
PC  = FFFFFFFF 80058CBC   PS  = 28000000 00000800                               
                                                                                
                                                                                
$[22;1f                                                                         
    Press RETURN for more.                                                      
SDA>                                                                            
$[1;1f$[J                                                                       
Crashdump Summary Information:                                                  
------------------------------                                                  
                                                                                
Exception Frame:                                                                
R2  = 00000000 00000000   R3  = FFFFFFFF 81584300   R4  = FFFFFFFF 81584378     
R5  = FFFFFFFF 81584378   R6  = 00000000 00000000   R7  = 00000000 00000000     
PC  = FFFFFFFF 801144A0   PS  = 30000000 00000804                               
                                                                                
Signal Array:                                                                   
Arg Count    = 00000005                                                         
Condition    = 0000000C                                                         
Argument #2  = 00000000                                                         
Argument #3  = 00000000                                                         
Argument #4  = 801144A0                                                         
Argument #5  = 00000804                                                         
                                                                                
Mechanism Array:                                                                
Arguments    = 0000002B                  Establisher FP = FFFFFFFF B2DD7FD0     
Flags        = 00000000                  Exception FP   = FFFFFFFF B2DD7DC0     
Depth        = FFFFFFFD                  Signal Array   = FFFFFFFF B2DD7D68     
R0  = FFFFFFFF 81584378   R1  = 00000000 00000000   R16 = 00000000 00000000     
                                                                                
                                                                                
$[22;1f                                                                         
    Press RETURN for more.                                                      
SDA>                                                                            
$[1;1f$[J                                                                       
Crashdump Summary Information:                                                  
------------------------------                                                  
R17 = 00000000 027F007C   R18 = 00000000 00000002   R19 = 00000000 027F007C     
R20 = FFFFFFFF 81584382   R21 = 00000000 00000000   R22 = 00000000 004E0780     
R23 = 00000000 00000000   R24 = 00000000 00000001   R25 = 00000000 00000000     
R26 = FFFFFFFF 803A9908   R27 = FFFFFFFF 83AD8620   R28 = 00000000 00000002     
                                                                                
System Registers:                                                               
Page Table Base Register (PTBR)                           00000000 000000F9     
Processor Base Register (PRBR)                            FFFFFFFF 8140A000     
Privileged Context Block Base (PCBB)                      00000000 0100A080     
System Control Block Base (SCBB)                          00000000 00000478     
Software Interrupt Summary Register (SISR)                00000000 00000000     
Address Space Number (ASN)                                00000000 00000000     
AST Summary / AST Enable (ASTSR_ASTEN)                    00000000 00000000     
Floating-Point Enable (FEN)                               00000000 00000000     
Interrupt Priority Level (IPL)                            00000000 00000008     
Machine Check Error Summary (MCES)                        00000000 00000008     
Virtual Page Table Base Register (VPTB)                   00000002 00000000     
                                                                                
                                                                                
$[22;1f                                                                         
    Press RETURN for more.                                                      
SDA>                                                                            
$[1;1f$[J                                                                       
Crashdump Summary Information:                                                  
------------------------------                                                  
Failing Instruction:                                                            
OTS$CALL_PROC_C:   LDQ  R28,(R23)                                               
                                                                                
Instruction Stream (last 20 instructions):                                      
SYS$TRANSACTION_SERVICES_NPRO+22450:   LDA  R28,#X0258(R31)                     
SYS$TRANSACTION_SERVICES_NPRO+22454:   ADDL  R5,R28,R5                          
SYS$TRANSACTION_SERVICES_NPRO+22458:   BR  R31,#XFFFFE5                         
SYS$TRANSACTION_SERVICES_NPRO+2245C:   BIS  R31,R31,R31                         
SYS$TRANSACTION_SERVICES_NPRO+22460:   LDA  R28,#X0280(R31)                     
SYS$TRANSACTION_SERVICES_NPRO+22464:   ADDL  R5,R28,R5                          
SYS$TRANSACTION_SERVICES_NPRO+22468:   BR  R31,#XFFFFE1                         
SYS$TRANSACTION_SERVICES_NPRO+2246C:   BIS  R31,R31,R31                         
SYS$TRANSACTION_SERVICES_NPRO+22470:   LDA  R28,#X02A8(R31)                     
SYS$TRANSACTION_SERVICES_NPRO+22474:   ADDL  R5,R28,R5                          
SYS$TRANSACTION_SERVICES_NPRO+22478:   BR  R31,#XFFFFDD                         
SYS$TRANSACTION_SERVICES_NPRO+2247C:   BIS  R31,R31,R31                         
SYS$TRANSACTION_SERVICES_NPRO+22480:   LDA  R28,#X02D0(R31)                     
SYS$TRANSACTION_SERVICES_NPRO+22484:   ADDL  R5,R28,R5                          
SYS$TRANSACTION_SERVICES_NPRO+22488:   LDL  R27,#X0010(R5)                      
                                                                                
                                                                                
$[22;1f                                                                         
    Press RETURN for more.                                                      
SDA>                                                                            
$[1;1f$[J                                                                       
Crashdump Summary Information:                                                  
------------------------------                                                  
SYS$TRANSACTION_SERVICES_NPRO+2248C:   BNE  R27,#XFFFFD8                        
SYS$TRANSACTION_SERVICES_NPRO+22490:   SUBQ  R31,#X50,R26                       
SYS$TRANSACTION_SERVICES_NPRO+22494:   ADDL  R5,R26,R5                          
SYS$TRANSACTION_SERVICES_NPRO+22498:   BR  R31,#XFFFFD5                         
SYS$TRANSACTION_SERVICES_NPRO+2249C:   HALT                                     
OTS$CALL_PROC_C:   LDQ  R28,(R23)                                               
OTS$CALL_PROC_C+00004:   SRL  R28,#X0C,R28                                      
OTS$CALL_PROC_C+00008:   BLBC  R28,#X000004                                     
OTS$CALL_PROC_C+0000C:   LDQ  R28,#X0008(R23)                                   
OTS$CALL_PROC_C+00010:   BIS  R31,R23,R27                                       
SDA> map 803A9908                                                               
Image     Base   End     Image Offset                                           
UCX$BGDRIVER                                                                    
      Nonpaged read only                80390000  803D3400  00019908            
SDA> clue stack                                                                 
$[1;1f$[J                                                                       
Stack Decoder:                                                                  
--------------                                                                  
System Stack (NULL Process):                                                    
Stack Pointer         B2DD7BA8                                                  
Stack Limits (low)    B2DD6000                                                  
             (high)   B2DD8000                                                  
                                                                                
                                                                                
$[22;1f                                                                         
    Press RETURN for more.                                                      
SDA>                                                                            
$[1;1f$[J                                                                       
INVEXCEPTN Stack:                                                               
-----------------                                                               
Stack Pointer  SP =>  B2DD7BA8                                                  
                                                                                
Information saved by Bugcheck:                                                  
a(Signal Array)       B2DD7BA8  FFFFFFFF B2DD7D68                               
                                                                                
Fixed Exception Context Area:                                                   
Linkage Pointer       B2DD7BB0  FFFFFFFF 819DE0A0                               
a(Signal Array)       B2DD7BB8  00000000 000001B8                               
a(Mechanism Array)    B2DD7BC0  00000000 00000050                               
a(Exception Frame)    B2DD7BC8  00000000 00000210  UCB$N_RSADDR                 
Exception FP          B2DD7BD0  FFFFFFFF 83AF44A0  SYS$PNDRIVER_NPRW+048A0      
Unwind SP             B2DD7BD8  00000000 00000000                               
Reinvokable FP        B2DD7BE0  FFFFFFFF 83AAD2D0  IOC$CRAM_IO                  
Unwind Target         B2DD7BE8  FFFFFFFF 801D610C  SYS$PNDRIVER_NPRO+1410C      
#Sig Args/Byte Cnt    B2DD7BF0  FFFFFFFF 00000250  UCB$T_MSGDATA+0002C          
a(Msg)/Final Status   B2DD7BF8  FFFFFFFF 00000001                               
                                                                                
Mechanism Array:                                                                
Flags/Arguments       B2DD7C00  00000000 0000002B                               
                                                                                
                                                                                
$[22;1f                                                                         
    Press RETURN for more.                                                      
SDA>                                                                            
$[1;1f$[J                                                                       
INVEXCEPTN Stack:                                                               
-----------------                                                               
a(Establisher FP)     B2DD7C08  FFFFFFFF B2DD7FD0                               
reserved/Depth        B2DD7C10  FFFFFFFF FFFFFFFD                               
a(Handler Data)       B2DD7C18  FFFFFFFF B34B0000                               
a(Exception Frame)    B2DD7C20  FFFFFFFF B2DD7DC0                               
a(Signal Array)       B2DD7C28  FFFFFFFF B2DD7D68                               
saved R0              B2DD7C30  FFFFFFFF 81584378                               
saved R1              B2DD7C38  00000000 00000000                               
saved R16             B2DD7C40  00000000 00000000                               
saved R17             B2DD7C48  00000000 027F007C                               
saved R18             B2DD7C50  00000000 00000002                               
saved R19             B2DD7C58  00000000 027F007C                               
saved R20             B2DD7C60  FFFFFFFF 81584382                               
saved R21             B2DD7C68  00000000 00000000                               
saved R22             B2DD7C70  00000000 004E0780                               
saved R23             B2DD7C78  00000000 00000000                               
saved R24             B2DD7C80  00000000 00000001                               
saved R25             B2DD7C88  00000000 00000000                               
saved R26             B2DD7C90  FFFFFFFF 803A9908  UCX$BGDRIVER_NPRO+19908      
saved R27             B2DD7C98  FFFFFFFF 83AD8620  OTS$CALL_PROC                
                                                                                
                                                                                
$[22;1f                                                                         
    Press RETURN for more.                                                      
SDA>                                                                            
$[1;1f$[J                                                                       
INVEXCEPTN Stack:                                                               
-----------------                                                               
saved R28             B2DD7CA0  00000000 00000002                               
FP Regs not valid     [......]                                                  
SP Align = 08(hex)    [......]                                                  
                                                                                
Signal Array:                                                                   
Arguments             B2DD7D68           00000005                               
Condition             B2DD7D6C           0000000C                               
Argument #2           B2DD7D70           00000000                               
Argument #3           B2DD7D74           00000000                               
Argument #4           B2DD7D78           801144A0  OTS$CALL_PROC_C              
Argument #5           B2DD7D7C           00000804  UCB$M_VALID+00004            
                                                                                
Exception Record:                                                               
Count/Flag/Kind       B2DD7D80  00000002 00000001                               
Expt Value            B2DD7D88  00000000 0000000C                               
Expt Next             B2DD7D90  00000000 00000000                               
Expt PC               B2DD7D98  FFFFFFFF 801144A0  OTS$CALL_PROC_C              
Extent/Kind           B2DD7DA0  00000008 00000000                               
Value/Pointer         B2DD7DA8  00000000 00000000                               
                                                                                
                                                                                
$[22;1f                                                                         
    Press RETURN for more.                                                      
SDA>                                                                            
$[1;1f$[J                                                                       
INVEXCEPTN Stack:                                                               
-----------------                                                               
Extent/Kind           B2DD7DB0  00000008 00000000                               
Value/Pointer         B2DD7DB8  00000000 00000000                               
                                                                                
Interrupt/Exception Frame:                                                      
saved R2              B2DD7DC0  00000000 00000000                               
saved R3              B2DD7DC8  FFFFFFFF 81584300                               
saved R4              B2DD7DD0  FFFFFFFF 81584378                               
saved R5              B2DD7DD8  FFFFFFFF 81584378                               
saved R6              B2DD7DE0  00000000 00000000                               
saved R7              B2DD7DE8  00000000 00000000                               
saved PC              B2DD7DF0  FFFFFFFF 801144A0  OTS$CALL_PROC_C              
saved PS              B2DD7DF8  30000000 00000804  IPL INT CURR PREV            
SP Align = 30(hex)    [......]                      08  1  Kern Kern            
                                                                                
Stack (not decoded):                                                            
                      B2DD7E30  00000000 81584378                               
                      B2DD7E38  81584378 00000000                               
                      B2DD7E40  FFFFFFFF 803A9570  UCX$BGDRIVER_NPRO+19570      
                      B2DD7E48  FFFFFFFF 83B44350  UCX$BGDRIVER_NPRW+02750      
                                                                                
                                                                                
$[22;1f                                                                         
    Press RETURN for more.                                                      
SDA>                                                                            
$[1;1f$[J                                                                       
INVEXCEPTN Stack:                                                               
-----------------                                                               
                      B2DD7E50  FFFFFFFF 803A33E0  UCX$BGDRIVER_NPRO+133E0      
                      B2DD7E58  00000000 00000000                               
                      B2DD7E60  00000000 00000000                               
                      B2DD7E68  FFFFFFFF 81584378                               
                      B2DD7E70  FFFFFFFF 8158444E                               
                      B2DD7E78  FFFFFFFF 83B43778  UCX$BGDRIVER_NPRW+01B78      
                      B2DD7E80  FFFFFFFF B2DD7FD0                               
                      B2DD7E88  FFFFFFFF 8001F300  EXE_STD$QUEUE_FORK_C+00310   
                      B2DD7E90  00000000 00000000                               
                      B2DD7E98  FFFFFFFF 816D8F00                               
                      B2DD7EA0  FFFFFFFF 81584378                               
                      B2DD7EA8  FFFFFFFF 815843A0                               
                      B2DD7EB0  FFFFFFFF 8140A038                               
                      B2DD7EB8  00000000 0000003A                               
                      B2DD7EC0  00000000 00000001                               
                      B2DD7EC8  00000000 00000000                               
                      B2DD7ED0  FFFFFFFF 8009264C  PROCESS_MANAGEMENT_NPRO+1064C
                      B2DD7ED8  00000000 00000000                               
                      B2DD7EE0  FFFFFFFF 83AA59E0  EXE_STD$PRIMITIVE_FORK+00020 
                                                                                
                                                                                
$[22;1f                                                                         
    Press RETURN for more.                                                      
SDA>                                                                            
$[1;1f$[J                                                                       
INVEXCEPTN Stack:                                                               
-----------------                                                               
                      B2DD7EE8  00000000 003780E0                               
                      B2DD7EF0  FFFFFFFF 83ABFCC8  SCH$CALC_CPU_LOAD+00098      
                      B2DD7EF8  00000000 00000800  IRP$M_EXTEND                 
                      B2DD7F00  00000000 00000000                               
                      B2DD7F08  FFFFFFFF 83ABFCC8  SCH$CALC_CPU_LOAD+00098      
                      B2DD7F10  00000000 00000003                               
                      B2DD7F18  00000000 00000000                               
                      B2DD7F20  00000000 00000003                               
                      B2DD7F28  00000000 00000001                               
                      B2DD7F30  00000000 00018009                               
                      B2DD7F38  FFFFFFFF 8E524000                               
                      B2DD7F40  00000000 00000000                               
                      B2DD7F48  00000000 00000800  IRP$M_EXTEND                 
                      B2DD7F50  FFFFFFFF 83A90770  MMG$GL_ZERO_LIST_HI_LIM      
                      B2DD7F58  00000001 99501BB6                               
                      B2DD7F60  00000001 99501BB5                               
                      B2DD7F68  00000000 00000008                               
                      B2DD7F70  FFFFFFFF 80002004  EXE$LOAD_ERROR_C             
                      B2DD7F78  FFFFFFFF B2DD7FD0                               
                                                                                
                                                                                
$[22;1f                                                                         
    Press RETURN for more.                                                      
SDA>                                                                            
$[1;1f$[J                                                                       
INVEXCEPTN Stack:                                                               
-----------------                                                               
                      B2DD7F80  FFFFFFFF 83A859E8  SCH$GQ_ACTIVE_PRIORITY       
                      B2DD7F88  FFFFFFFF 83AC2200  SCH$WAIT_KERNEL_MODE         
                      B2DD7F90  FFFFFFFF 81868640                               
                      B2DD7F98  00000000 00000001                               
                      B2DD7FA0  FFFFFFFF 8140A000                               
                      B2DD7FA8  00000000 00000000                               
                      B2DD7FB0  FFFFFFFF 80084C58  SCH$CALC_CPU_LOAD_C+004D8    
                      B2DD7FB8  10000000 00000303  UCB$B_PI_TQE+00003           
                      B2DD7FC0  FFFFFFFF 83AC2200  SCH$WAIT_KERNEL_MODE         
                      B2DD7FC8  FFFFFFFF 818A1900                               
                                                                                
Stack Frame:                                                                    
PV                    B2DD7FD0  FFFFFFFF 83ABFCC8  SCH$CALC_CPU_LOAD+00098      
        Entry Point             FFFFFFFF 800849E0  SCH$CALC_CPU_LOAD_C+00260    
                      B2DD7FD8  00000000 00000000                               
return PC             B2DD7FE0  FFFFFFFF 80092354  PROCESS_MANAGEMENT_NPRO+10354
saved R13             B2DD7FE8  00000000 00001E00  CTL$C_CLIDATASZ+00860        
saved R14             B2DD7FF0  00000000 00000000                               
saved FP              B2DD7FF8  00000000 00947A20                               
SDA> spaw ucx show version                                                      
                                                                                
$)0                                                                             
$=                                                                              
                                                                                
   Digital TCP/IP Services for OpenVMS Alpha                                    
Version V4.0                                                                    
   on a AlphaServer 8400 Model 5/300 running OpenVMS V6.2                       
                                                                                
                                                                                
$=                                                                              
SDA> sho exdc                                                                   
%CLI-W-SYNTAX, error parsing 'EXDC'                                             
SDA> sho exec                                                                   
$[1;1f$[J                                                                       
VMS  Executive layout                                                           
---------------------                                                           
Image        Base      End    Length   SymVec                                   
SYS$WSDRIVER                                                                    
      Nonpaged read only                 803DE000 803DF400 00001400             
      Nonpaged read/write                83B4C400 83B4CC00 00000800             
      Linked  5-MAY-1995 03:12             LDRIMG 815242C0                      
UCX$TNDRIVER                                                                    
      Nonpaged read only                 803D4000 803DD600 00009600             
      Nonpaged read/write                83B4AE00 83B4C400 00001600             
      Linked 11-OCT-1995 22:34             LDRIMG 816C6480                      
UCX$BGDRIVER                                                                    
      Nonpaged read only                 80390000 803D3400 00043400             
      Nonpaged read/write                83B41C00 83B4AE00 00009200             
      Linked 12-OCT-1995 17:20             LDRIMG 816C2040                      
PSDC$LOADABLE_IMAGE                                                             
      Nonpaged read only                 80388000 8038F600 00007600             
      Nonpaged read/write                83B3C800 83B41C00 00005400             
      Linked 20-JUL-1995 14:21             LDRIMG 815D5CC0                      
PSDCTIMER                                                                       
      Nonpaged read only                 80382000 80387200 00005200             
                                                                                
                                                                                
$[22;1f                                                                         
    Press RETURN for more.                                                      
SDA>                                                                            
$[1;1f$[J                                                                       
VMS  Executive layout                                                           
---------------------                                                           
      Nonpaged read/write                83B3BA00 83B3C800 00000E00             
      Linked 10-OCT-1995 13:09             LDRIMG 815D1180                      
SYS$DADDRIVER                                                                   
      Nonpaged read only                 8037C000 80381A00 00005A00             
      Nonpaged read/write                83B36A00 83B3BA00 00005000             
      Linked  4-MAY-1995 22:55             LDRIMG 815B69C0                      
SYS$LASTDRIVER                                                                  
      Nonpaged read only                 80368000 8037BA00 00013A00             
      Nonpaged read/write                83B35400 83B36A00 00001600             
      Paged read/write                   83B35200 83B35400 00000200             
      Linked  4-MAY-1995 22:51             LDRIMG 81598540                      
SYS$RMDRIVER                                                                    
      Nonpaged read only                 8035E000 80367E00 00009E00             
      Nonpaged read/write                83B33000 83B35200 00002200             
      Linked 17-MAY-1995 11:11             LDRIMG 815953C0                      
SYS$LTDRIVER                                                                    
      Nonpaged read only                 8032E000 8035C600 0002E600             
      Nonpaged read/write                83B2EA00 83B33000 00004600             
      Linked  4-MAY-1995 22:46             LDRIMG 8158AB00                      
                                                                                
                                                                                
$[22;1f                                                                         
    Press RETURN for more.                                                      
SDA>                                                                            
$[1;1f$[J                                                                       
VMS  Executive layout                                                           
---------------------                                                           
SYS$RTTDRIVER                                                                   
      Nonpaged read only                 8032A000 8032D600 00003600             
      Nonpaged read/write                83B2E000 83B2EA00 00000A00             
      Linked  4-MAY-1995 22:57             LDRIMG 8151FCC0                      
SYS$CTDRIVER                                                                    
      Nonpaged read only                 8031E000 80328C00 0000AC00             
      Nonpaged read/write                83B2C200 83B2E000 00001E00             
      Linked  4-MAY-1995 22:51             LDRIMG 81522F40                      
NDDRIVER                                                                        
      Nonpaged read only                 8031A000 8031D600 00003600             
      Nonpaged read/write                83B2B800 83B2C200 00000A00             
      Linked  4-MAY-1995 22:55             LDRIMG 814B5F80                      
NETDRIVER                                                                       
      Nonpaged read only                 80302000 8031A000 00018000             
      Nonpaged read/write                83B28E00 83B2B800 00002A00             
      Paged read only                    80300000 80300200 00000200             
      Linked  4-MAY-1995 22:53             LDRIMG 81570DC0                      
SYS$FYDRIVER                                                                    
      Nonpaged read only                 802F8000 802FE200 00006200             
                                                                                
                                                                                
$[22;1f                                                                         
    Press RETURN for more.                                                      
SDA>                                                                            
$[1;1f$[J                                                                       
VMS  Executive layout                                                           
---------------------                                                           
      Nonpaged read/write                83B27C00 83B28E00 00001200             
      Linked  4-MAY-1995 22:50             LDRIMG 8155F140                      
SYS$MKDRIVER                                                                    
      Nonpaged read only                 802EE000 802F6E00 00008E00             
      Nonpaged read/write                83B26200 83B27C00 00001A00             
      Linked  4-MAY-1995 22:54             LDRIMG 81526F00                      
SYS$FTDRIVER                                                                    
      Nonpaged read only                 802EC000 802EE000 00002000             
      Nonpaged read/write                83B25A00 83B26200 00000800             
      Linked  4-MAY-1995 22:31             LDRIMG 81521F00                      
SYS$TUDRIVER                                                                    
      Nonpaged read only                 802DA000 802EBE00 00011E00             
      Nonpaged read/write                83B22600 83B25A00 00003400             
      Linked  4-MAY-1995 22:50             LDRIMG 814B2D00                      
SYS$DKDRIVER                                                                    
      Nonpaged read only                 802CC000 802D9800 0000D800             
      Nonpaged read/write                83B1F800 83B22600 00002E00             
      Linked  4-MAY-1995 22:47             LDRIMG 814949C0                      
SYS$PKQDRIVER                                                                   
                                                                                
                                                                                
$[22;1f                                                                         
    Press RETURN for more.                                                      
SDA>                                                                            
$[1;1f$[J                                                                       
VMS  Executive layout                                                           
---------------------                                                           
      Nonpaged read only                 802BE000 802CB000 0000D000             
      Nonpaged read/write                83B18A00 83B1F800 00006E00             
      Linked  4-MAY-1995 23:00             LDRIMG 81471E40                      
SYS$EWDRIVER                                                                    
      Nonpaged read only                 802A6000 802BDA00 00017A00             
      Nonpaged read/write                83B16600 83B18A00 00002400             
      Linked  4-MAY-1995 22:54             LDRIMG 81471840                      
SYSMSG                                   B3812000 B385A000 00048000             
      Paged read/write                   B3812000 B3855000 00043000             
      Linked  4-MAY-1995 22:40             LDRIMG 81471440                      
DDIF$RMS_EXTENSION                                                              
      Paged read only                    B2E00000 B2E02600 00002600             
      Paged read/write                   B2E04000 B2E04400 00000400             
      Linked  4-MAY-1995 22:46             LDRIMG 81471240                      
RECOVERY_UNIT_SERVICES                                                          
      Nonpaged read/write                83B16200 83B16600 00000400             
      Paged read only                    B2DFC000 B2DFD000 00001000             
      Linked  4-MAY-1995 22:45             LDRIMG 81471640                      
RMS                                                                             
                                                                                
                                                                                
$[22;1f                                                                         
    Press RETURN for more.                                                      
SDA>                                                                            
$[1;1f$[J                                                                       
VMS  Executive layout                                                           
---------------------                                                           
      Nonpaged read only                 80236000 802A5000 0006F000             
      Nonpaged read/write                83B02A00 83B16200 00013800             
      Paged read only                    B37E6000 B3811E00 0002BE00             
      Linked  6-JAN-1997 16:35             LDRIMG 8140F940                      
SYS$SHDRIVER                                                                    
      Nonpaged read only                 801EE000 80235200 00047200             
      Nonpaged read/write                83AF8000 83B02A00 0000AA00             
      Paged read/write                   83AF7E00 83AF8000 00000200             
      Linked  4-MAY-1995 22:46             LDRIMG 8145AF40                      
SYS$DUDRIVER                                                                    
      Nonpaged read only                 801DE000 801ED000 0000F000             
      Nonpaged read/write                83AF4E00 83AF7E00 00003000             
      Linked  4-MAY-1995 22:43             LDRIMG 8145AAC0                      
SYS$PNDRIVER                                                                    
      Nonpaged read only                 801C2000 801DC800 0001A800             
      Nonpaged read/write                83AEFC00 83AF4E00 00005200             
      Linked  4-MAY-1995 22:43             LDRIMG 8145A480                      
SYS$TTDRIVER                                                                    
      Nonpaged read only                 801AE000 801C0A00 00012A00             
                                                                                
                                                                                
$[22;1f                                                                         
    Press RETURN for more.                                                      
SDA> exit                                                                       
$[1;1f$[J                                                                       
                                                                                
                                                                                
SDA> exit                                                                       
$=                                                                              
 $ log                                                                          
  FIELD        logged out at 14-MAY-1997 11:39:45.17                            
%REM-S-END, control returned to node USF004::                                   
 $ log                                                                          
  FIELD        logged out at 14-MAY-1997 11:39:49.81                            
5511.2updateCSC32::J_HENSONDon&#039;t get even, get ahead!Thu May 15 1997 11:5913
I have an update on this.

The customer attempted to reproduce this last night using the same
procedures which they thought had cause the previous crash.  They
were unable to cause the crash.  

One big difference was the load on the system, so it may be a load
related problem.

Whatever, the customer already has plans to upgrade to 4.1 this weekend.
We'll keep an eye on it and see what happens.

Jerry