Technical data

SHOW SYMBOL command, SDA–181
SHOW TRANSACTIONS command, SDA–182
Shutdown, operator-requested, SDA–7
SID register, displaying, SDA–95
Signal array, SDA–22
SISR register, displaying, SDA–95
Site-specific startup procedure
See SYS$MANAGER:SYSTARTUP_VMS.COM
SLR register, displaying, SDA–95
SPAWN command, SDA–183
Spin locks
displaying SDA information, SDA–169
owned, SDA–95
SPRs (Software Performance Reports), SDA–3,
SDA–31
SP symbol, SDA–18
SPTs (system page tables)
displaying, SDA–26, SDA–126
in system dump file, SDA–4, SDA–9
SSP symbol, SDA–18
SSRVEXCEPT bugcheck, SDA–21
Stack frames
displaying in SDA, SDA–82
following a chain, SDA–82
Stack pointer, SDA–18
Stacks, displaying contents, SDA–176
Start I/O routine, SDA–104
/STATISTICS qualifier, SDA–135
Subprocesses, SDA–183
Subtraction operator (–), SDA–16
/SUMMARY qualifier, SDA–136
/SUPERVISOR qualifier, SDA–176
Supervisor stack
displaying contents, SDA–176
pointer to, SDA–18
Swapper, global symbols, SDA–65
Symbols, SDA–17 to SDA–19
defining
for SDA, SDA–47
displaying, SDA–19
evaluating, SDA–181
finding in memory location, SDA–27
listing, SDA–181
loading into the SDA symbol table, SDA–62
name, SDA–17, SDA–47
representing executive modules, SDA–110
user-defined, SDA–47
SYMBOLS qualifier, for SDA EVALUATE
command, SDA–51
Symbol table files, reading into SDA symbol table,
SDA–62
Symbol tables
See SDA symbol table
See system symbol table
specifying an alternate SDA, SDA–39
SYS$DISK logical name, SDA–63
SYS$MANAGER:SYSTARTUP_VMS.COM
command procedure
invoking SDA, SDA–7
producing an SDA listing, SDA–7
releasing page file blocks, SDA–5
SYS$SYSTEM:OPCCRASH.COM command
procedure
involvement in writing crash dump, SDA–7
SYS$SYSTEM:PAGEFILE.SYS file, SDA–8,
SDA–32
See System dump files
as dump file, SDA–5
releasing blocks containing a crash dump,
SDA–38
SYS$SYSTEM:REQSYSDEF.STB file, SDA–8,
SDA–10
SYS$SYSTEM:SHUTDOWN.COM command
procedure, involvement in writing crash dump,
SDA–7
SYS$SYSTEM:SYS.EXE file, SDA–62
SYS$SYSTEM:SYS.EXE file, contents, SDA–63,
SDA–110
SYS$SYSTEM:SYS.STB file, SDA–8, SDA–10,
SDA–11, SDA–20
SYS$SYSTEM:SYSDEF.STB file, SDA–10
SYS$SYSTEM:SYSDUMP.DMP file, SDA–32
See System dump files
protection, SDA–7
size of, SDA–4
SYSAP (system application), SDA–167
/SYSAP qualifier, SDA–90
SYSDEVICE.EXE file, global symbols, SDA–64
SYSGETSYI.EXE file, global symbols, SDA–64
SYSLICENSE.EXE file, global symbols, SDA–64
SYSLOA symbol, SDA–18
SYSMSG.EXE file, global symbols, SDA–64
System Dump Analyzer utility (SDA)
commands, SDA–15 to SDA–19
exiting, SDA–57
System dump files, SDA–4 to SDA–6
copying, SDA–6
header, SDA–7
mapping physical memory to, SDA–9
requirements for analysis, SDA–8
saving, SDA–6
size, SDA–4
System failures
analyzing, SDA–19 to SDA–31
causing, SDA–31 to SDA–35
diagnosing from PC contents, SDA–19
example, SDA–24 to SDA–31
summary, SDA–98
System hang, SDA–31
System images
contents, SDA–63, SDA–110
global symbols, SDA–62
Index–7