ASLR was introduced in APAR OA57914 on z/OS 2.4.
It affects all storage addresses in the region.
A random number of pages of storage are left unused in order to change the
addresses of used storage.
Jim Mulder
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Mark
The documentation about what it does is here:
https://www.ibm.com/docs/en/zos/3.1.0?topic=overview-address-space-layout-randomization
Jim Mulder
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Mark Jacobs
Sent: Monday, September 9, 2024 9:57 PM
To: IBM-MAIN
I would expect that if Address Space Layout Randomization is active.
Is ASLR(YES) specified in DIAGxx?
The D DIAG command, or VERBX IGVDGNIP under IPCS, will tell you.
Jim Mulder
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Mark Jacobs
Sent: Monday
FREEMAIN A=(1),LV=(0)
12,*** IHB001 MODE OPERAND REQ'D-NOT SPECIFIED
So it would seem that you actually most have done something like FREEMAIN
RU,A=(1),LV=(0)
Jim Mulder
-Original Message-
From: Jim Mulder
Sent: Friday, August 30, 2024 8:21 PM
To: IBM Main
You did not specify a positional parameter. It looks like the macro assumed
RU (SVC x'78') in that case, but you set R0 and R1 in the format for R (SVC
x'A').
FREEMAIN R,A=(1),LV=(0) should work better.
But I would recommend FREEMAIN RU,SP=1
Jim Mulder
-
ng at SDWABEA.
Jim Mulder
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Binyamin Dissen
Sent: Wednesday, July 31, 2024 7:43 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Breaking Event Address, BEAR
Sounds like security by obfuscation.
The exposure would be that s
had suggested
making it controllable
by a CR bit (i.e., semi-privileged), but it looks like we didn't pursue that.
Sorry about that.
I supposed I should have paid more attention to that part of the discussion,
but it probably was not the hottest
issue that I was involved with at the time.
s. I
know
engineers to ask if I really needed to know.
Jim Mulder
--
For IBM-MAIN subscribe / signoff / archive access instructions,
send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Yes, I meant for Jason's use case. I was involved in getting z/OS running in
the ZVDT/Wazi environment,
so I am aware of those things.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp. Poughkeepsie NY
Jim Mulder wrote:
>IBM does not provide any license for any rele
IBM does not provide any license for any release of z/OS that permits you to
run it on
a LinuxONE machine, or under any non-IBM emulator on any machine.
Jim Mulder
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Jason Cai
Sent: Tuesday, June 11, 2024 1:59 PM
To
z/OS 3.1 does not support testing with dates beyond 09/17/2042.
Jim Mulder
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Paul Schuster
Sent: Tuesday, June 11, 2024 1:12 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Epoch Index
So, as of z/os 3.1, there does not
g I/O.
Paging I/O uses a 4K block size, which is inefficient for FICON, unless you are
using zHPF. z/OS has
not enhanced its paging I/O to use zHPF. With non-paging I/O, you can use a
larger block size, and
many of the access methods use zHPF.
Jim Mulder
-Original Message-
From
Use the ATTACHX macro with KEY=NINE to attach a key 9 subtask. That's what
CICS does.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp. Poughkeepsie NY
>Is there a way to force the program to go to subpool 244 for example, that is
>not fetch protected?
>I'
rtant
distinction to software.
The invalid 00 opcode provides sufficient capability to cause an operation
exception, with diagnostic information of an arbitrary length following the 00
opcode.
Jim Mulder
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of Tom
Marchant
I don't think that there is much with the dump that you could do yourself.
The
control structures that keep track of nonreusable ASIDs are OCO. Can you open
a Case to IBM
and send in the dump so I can look at it?
Jim Mulder
-Original Message-
From: IBM Mainframe Discussion
The more important thing would be to have taken a standalone dump before
reIPLing.
You might have had an ASVT overlay. If you search your logrec, do you see any
records containing
IEAVESAR or IEAVELCR?
Jim Mulder
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
program was the culprit but we'd like to understand why
>so many ASVT entries had ASVTAVAI set (meaning they're available) but the ASVT
>said so few were available.
Jim Mulder z/OS Diagnosis, Design, Devel
: AVZC
ASID: 013B Jobname: C2PACMON
END TIME: 03/14/2024 12:42:18.543247 STATUS: SUCCESSFUL
Jim
For an SVC interrupt, RBINTCOD indicates the SVC number.
For a program check interrupt, RBINTCOD indicates the program interrupt code.
For other types of interrupts, RBINTCOD is not updated.
Jim Mulder
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Joseph Reichman
SVC 8 (LOAD).
Jim Mulder
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Joseph Reichman
Sent: Friday, March 8, 2024 11:09 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: IRB interrupt code
I thought all list of all the interrupt codes were in the z/os pops I looked
, and haven't thought much
about it since.
You might want it even higher for faster machines than we had back then.
I suggested some years ago that SRM should self-tune the timer pop interval
to be less frequent at low utilization, but I haven't gotten any traction on
that so far..
,
it can also delay other CPUs from subsequently accessing the cache line that
contains the STCK operand.
Jim Mulder
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Paul Gilmartin
Sent: Tuesday, February 27, 2024 9:02 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: N
Yes, I did carefully avoid making any representation about multiple
partitions. On z16, I believe that
it is possible to get the same value from STCK in different partitions. If you
need unique values within a z/OS sysplex, STCKE provides that.
Jim Mulder
-Original Message-
From
nd of STCK on z16 is bits 0-62 (i.e., 63 bits).
Jim Mulder
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of Jon
Perryman
Sent: Tuesday, February 27, 2024 5:46 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Nanosecond resolution timestamps for HLL's?
On Sat, 24
me deltas as long as a delta of 0 is acceptable.
z/OS routinely uses STCKF for this purpose.
You won't observe time flowing backward from two STCKFs on the same logical
processor or the same z/OS work unit.
Jim Mulder
-Original Message-
From: Alan Altmark
Sent: Saturday, Feb
) simultaneously does
not exhibit any delay.
However, if you try to infer the execution order of the instructions on the
various processors
by comparing the entire stored timestamps, you will be misleading yourself.
Jim Mulder
-Original Message-
From: IBM Mainframe Discussion List
https://www.ibm.com/docs/en/zos/3.1.0?topic=reference-mount-command
Jim Mulder
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Michael Watkins
Sent: Thursday, February 1, 2024 11:43 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Antiquarian Curiosity: Pre-MVS/XA Mount
What is displayed by this IPCS command for your dump?
CBF RTCT
Jim Mulder
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Schühle, Simon
Sent: Thursday, February 1, 2024 8:17 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Data space dump with SDUMPX
So, just some
E=03.19.26.
So maybe that will get into the next release after z/OS 3.1.
Jim Mulder
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of Jon
Perryman
Sent: Tuesday, January 30, 2024 3:06 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Regarding RBINTCOD
On T
You can make each model an entry point in the module, with an ALIAS for each
one when you bind the module.
Jim Mulder
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Bill Yeager
Sent: Wednesday, January 24, 2024 10:47 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re
CTIVE ?
Does the structure name show up in the output of LISTMAP, or is the address in
an a range that shows as being mapped in the output of LISTMAP?
Jim Mulder
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of Jon
Perryman
Sent: Tuesday, January 23, 2024 9:47 PM
To
We don't want to waste the time and space. The caller information is in the
preceding PC trace entry.
Jim Mulder
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Mike Shaw
Sent: Wednesday, January 10, 2024 5:39 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Questi
No, that was removed in in 2006 by APAR OA14248 (HyperPAV support).
Jim Mulder
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Mark Jacobs
Sent: Wednesday, November 15, 2023 8:28 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Suspend/Resume for Paging
Does z/OS still
not relevant to the problem.
Jim Mulder
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Keith Gooding
Sent: Tuesday, October 24, 2023 1:37 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Heads up: z/os 3.1 WAIT 006 under z/VM + DS6800 question
It was z/VM 7.2 (still
some
VSM attributes for allocated storage in
private area non-LSQA subpools.
Jim Mulder
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of Jon
Perryman
Sent: Monday, October 16, 2023 5:29 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: What is in SVCDUMP RTCT
I can&#
Under IPCS, to see the effective SDUMP parms for the dump (which is a
composition of what was requested on the SDUMP(X) macro plus application of CD
commands (as displayed by D D,O )),
use STATUS WORKSHEET. The formatted SDUMP parm list is near the bottom of
the display.
Jim Mulder
An SRB is initially dispatched with the home address space's Basic Access
List, which is in ELSQA.
If you subsequently ALESERV ADD something, then a new access list is obtained
from a pool in ESQA.
Jim Mulder
-Original Message-
From: IBM Mainframe Discussion List On Beha
the
unsupported and dangerous things that he did in his "products".
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp. Poughkeepsie NY
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of Tom
Marchant
Sent: Wednesday, July 19, 2023 10:33 AM
To
sure that I submitted a request about 15 years ago
to update the next edition of the Batch LSR manual to say that
SETSSI can be used to active Batch LSR. But it would appear
that there hasn't been a subsequent edition of that book.
(So my request may still be pending somewhere).
Jim Mulder Bat
.
While this was designed and documented for use with ZAD, it can be useful
for counting any type of PER SLIP trap
(ZAD,IF,SA,SBT,SK).
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp. Poughkeepsie NY
-Original Message-
From: IBM Mainframe Discussion List On Behalf
nded
format data set @L7A*/
| TWCB_NonWrap_Mode THEN /* Or NOWRAP was
specified @L7A*/
DCBMRPT2 = False; /* Indicate no NOTE/POINT
@L7A*/
Jim Mulder
-Original Message-
From: IBM Mainf
0D6EA4 DECB: ECB 7F00 FLAGS 000D3000DCB 1D551F04 AREA C9C5C1E5
STATUS E7C3C6C5
Jim Mulder
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Seymour J Metz
Sent
Yes, Wayne Rhoten enhanced that a while back. I don't remember
which release of z/OS, but I have gotten accustomed to seeing it
in the output from the SUMMARY FORMAT subcommand.
Jim Mulder
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Seymour J Metz
I have never used IDF. When I want to trace through authorized code,
I run z/OS under z/VM and use the TRACE command.
Jim Mulder
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Joseph Reichman
Sent: Sunday, February 26, 2023 5:36 PM
To: IBM-MAIN@LISTSERV.UA.EDU
They do not support whatever is in TCBPKF. I have seen code in TSO which has
hardcoded x'80'.
Jim Mulder
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of Ed
Jaffe
Sent: Saturday, February 25, 2023 9:50 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Cant S
We hit that as well last week on our test systems. UJ09197 has been marked
PE,
and APAR OA64137 has been opened.
Jim Mulder
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of Ed
Jaffe
Sent: Sunday, January 15, 2023 12:22 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject
-services-avoid-loss-asids-from-reuse
Jim Mulder
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
esst...@juno.com
Sent: Sunday, January 15, 2023 8:47 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: architecturally reusable address space
Hello,
.
In an old post "LX an
The IPL PSW provided by software is always 8 bytes.
There is no provision for providing a 16 byte PSW.
Jim Mulder
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of Joe
Monk
Sent: Sunday, January 8, 2023 4:27 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Question and
Put the parms in an IEADMCxx parmlib member, and then issue
DUMP PARMLIB=xx
Jim Mulder
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Bill Giannelli
Sent: Tuesday, December 13, 2022 9:10 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: dump command not fitting in console
f
key changes via the RSM CHANGKEY macro. VSM is not involved or consulted
about keys when virtual storage gets backed in real storage.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp. Poughkeepsie NY
-Original Message-
From: IBM Mainframe Discussion List On Behalf O
"
was still being used.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp. Poughkeepsie NY
-Original Message-----
From: Jim Mulder
Sent: Tuesday, November 22, 2022 10:01 PM
To: ibm-main@listserv.ua.edu
Subject: Re: Storage protection keys
My wife agrees with y
, and some more
complex instructions being implemented in millicode.
If you want to think of the millicoded instructions as a form of emulation, I
don't object. However, it is done on z hardware, not Power hardware.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp. Poughkeep
processor design.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp. Poughkeepsie NY
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Paul Gorlinsky
Sent: Tuesday, November 22, 2022 4:35 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Storage protection keys
LPAR support for Z is distinct from
the LPAR support for Power/I.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp. Poughkeepsie NY
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Paul Gorlinsky
Sent: Tuesday, November 22, 2022 12:37 PM
To: IBM-MAIN@LISTSERV.U
SP4.1.0 - NMLDEF macro and IEANYxxx modules
SP4.2.2 - NUCLSTxx
Jim Mulder
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Seymour J Metz
Sent: Thursday, November 10, 2022 7:30 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: MVS/370 System Initialization Library?
Does
I nagged Mark Thomen into using a reusable ASID for CATALOG
in 2006, release z/OS1.9.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp. Poughkeepsie NY
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Barbara Nitz
Sent: Tuesday, October 25, 2022 12:15
IPCS STATUS SYSTEMwill also display that information.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp. Poughkeepsie NY
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Paul Schuster
Sent: Monday, October 24, 2022 3:05 PM
To: IBM-MAIN
https://listserv.ua.edu/cgi-bin/wa?A2=ind2111&L=IBM-MAIN&P=R28794&X=O14039FAB4B2233B763&Y=d10jhm1%40us.ibm.com
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp. Poughkeepsie NY
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Da
The documentation is wrong. For function code 10,
SSIBSSNM contains the name of the target subsystem, just like for any
other broadcast call.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp. Poughkeepsie NY
From: IBM Mainframe Discussion List on
You can also take a standalone dump and then use the
COPYCAPD subcommand of IPCS to extract a captured SVC Dump
from the standalone dump and write it to a data set.
Jim Mulder King of z/OS Dumping
From: IBM Mainframe Discussion List on behalf of
Barbara Nitz
Yes, if you turn it on via
TRACE ST,MODE=ON
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp. Poughkeepsie NY
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Paul Schuster
Sent: Thursday, July 28, 2022 3:15 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject
No.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp. Poughkeepsie NY
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Paul Schuster
Sent: Thursday, July 28, 2022 3:11 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: SYS1.LOGREC vs VERBX LOGDATA
Hello:
I
Since you are not executing in supervisor state and key 0, you need to specify
LINKAGE=SYSTEM on the TIMEUSED macro.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp. Poughkeepsie NY
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Paul Schuster
Sent
I would not expect the SLIP WAIT to change primary and secondary.
You can verify that by displaying CR 3 and 4 for the CPU of interest
and comparing it to the CR 3-4 in the IEE844W message.
Jim Mulder
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Paul
BLSR was initially developed by Washinton System Center as an assembler
language
sample program to go along with a book they were writing about using the
Subsystem Interface. At the time,
IBM was desperately looking for "ESA Exclusives" in order to sell 3090 machines
vs
the PCM manufacturers,
E does not get control.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp. Poughkeepsie NY
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Steff Gladstone
Sent: Tuesday, March 8, 2022 10:03 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: ESTAE and IEBCOPY
In
IHARTM2A is not provided in MACLIB or MODGEN. It is PL/X only - there is
no DSECT.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp. Poughkeepsie NY
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Steff Gladstone
Sent: Tuesday, March 8, 2022 7:38
For ABEND S0Cx, D0D6, and S0E0, the abend reason code is the program check
interrupt code.
(since SP2.1.4, around 1985).
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp. Poughkeepsie NY
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Seymour J Metz
g Interface.
What you would really want is for the original interrupt code to
be provided in one of the IHAEPIE fields that is currently reserved.
Unfortunately, OW57082 did not do that.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp. Poughkeepsie NY
-Original Message-
7;3A',
and x'3B', an exception that does not get resolved by the Real Storage Manager
will get presented to SPIE/ESPIE exits as interrupt code 4.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp. Poughkeepsie NY
-Original Message-
From: IBM Mainfram
t into the field.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
"IBM Mainframe Discussion List" wrote on
02/22/2022 10:26:40 AM:
> From: "Charles Mills"
> To: IBM-MAIN@LISTSERV.UA.EDU
> Date: 02/22/2022 02:28 PM
> Subject:
In prior releases,
it was x'000130E1' when in zArchitecture mode.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
"IBM Mainframe Discussion List" wrote on
02/21/2022 05:02:54 PM:
> From: "Paul Gilmartin" <000433f07816
VERBX IEAVTSFS
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
"IBM Mainframe Discussion List" wrote on
02/07/2022 11:05:32 PM:
> From: "Jake Anderson"
> To: IBM-MAIN@LISTSERV.UA.EDU
> Date: 02/08/2022 11:17 AM
> Subje
Starting in z/OS 2.5, any program can do what
IPCS ACTIVE does by using the
SYS1.MACLIB(BLSACTV) macro to access storage of
other address spaces, if the userid under which the program is
running has been granted access to the BLSACTV.SYSTEM
Facility Class.
Jim Mulder z/OS Diagnosis, Design
The D,A command (module IEECB800) similarly uses IAZXJSAB to
obtain the userid.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
"IBM Mainframe Discussion List" wrote on
11/30/2021 04:16:41 AM:
> From: "Rob Scott"
> To: IBM-MAIN@
line mode) if you put IPCS into TEST mode,
which is done via the SETDEF TESTsubcommand.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
"IBM Mainframe Discussion List" wrote on
11/24/2021 10:39:10 AM:
> From: "Tom Harper"
> To:
end up trying to use them as addresses and get into even
more weird
results or storage overlays (since those are often valid GETMAINed
addresses).
So in z/OS 2.5, we changed those back to being reserved fields that are
initialized to
zeroes.
Jim Mulder z/OS Diagnosis, Design, Development, Test
DgnbAIMvsUCBAddr.
So a storage overlay of DgnbAIMvsUCBAddr or of UCBCHAN would
result in a wrong device number being used for AutoIPL.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
"IBM Mainframe Discussion List" wrote on
11/04/2021 08:42:46 PM:
> From:
IEAVNP26 is SMS. For any more than that, I would need
a standalone dump.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
"IBM Mainframe Discussion List" wrote on
10/19/2021 06:30:03 PM:
> From: "PINION, RICHARD W."
> To: IBM-MAIN@
IB(IHAFACL)
Facl_VectorExtensionFacility EQU X'40' Bit 129. z13 Even if this bit *
is on, do not use the VEF unless*
bit CVTVEF is on.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Co
It is assigned.
It is used by z/OS.
It is intentionally not described in Principles of Operation.
So that is all we will publicly say about it.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
"IBM Mainframe Discussion List" wrote on
10/13/2021 0
nd no
time to argue about such things. And I thought, "No way!
They are wrong. I will always make time to be
passionate about that." But it didn't take long for them
to be proved correct.
Jim Mulder z/OS Diagnosis, Design, Developmen
space constraints in the PDS directory entry,
and getting exploitation by rebinding a lot of things
with a new attribute would be expensive, and there were already
quite a few things that are bound with the REFR attribute,
which provided zero-cost exploitation.
Jim Mulder z/OS Diagnosis, Design, Develo
1. No. I would expect any such incidences to be treated as a defect and
fixed.
2. No
3. It was REFR and is still REFR. It was just a simple code bug,
passing a field in the static area to BPX1OPT for a
return parameter that gets modified by BPX1OPT.
Jim Mulder z/OS Diagnosis
y REFRPROT.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
"IBM Mainframe Discussion List" wrote on
09/02/2021 08:54:25 AM:
> From: "Seymour J Metz"
> To: IBM-MAIN@LISTSERV.UA.EDU
> Date: 09/02/2021 03:46 PM
> Subject: Re: RE
from the processor's trace
structure.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
"IBM Mainframe Discussion List" wrote on
09/01/2021 01:58:03 PM:
> From: "Paul Gilmartin" <000433f07816-dmarc-requ...@listserv.ua.edu>
&
?
SPOCK: Astonishment.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
"IBM Mainframe Discussion List" wrote on
09/01/2021 09:39:18 AM:
> From: "Paul Gilmartin" <000433f07816-dmarc-requ...@listserv.ua.edu>
> To: IBM-MAIN@LISTS
rounding and
alignment are not done.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
"IBM Mainframe Discussion List" wrote on
09/01/2021 11:04:15 AM:
> From: "Paul Gilmartin" <000433f07816-dmarc-requ...@listserv.ua.edu>
> To: IBM
EPTOKEN.. 01A6 00010065
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
"IBM Mainframe Discussion List" wrote on
08/31/2021 11:23:11 PM:
> From: "CM Poncelet"
> To: IBM-MAIN@LISTSERV.UA.EDU
> Date: 09/01/2021 01:30
No. It is a popular name.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
"IBM Mainframe Discussion List" wrote on
08/31/2021 12:58:55 PM:
> From: "Bill Hitefield"
> To: IBM-MAIN@LISTSERV.UA.EDU
> Date: 08/31/2021 02:05
=zUmMeS2c4Uw
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
"IBM Mainframe Discussion List" wrote on
08/30/2021 11:29:35 PM:
> From: "CM Poncelet"
> To: IBM-MAIN@LISTSERV.UA.EDU
> Date: 08/31/2021 12:26 PM
> Subject: Re: RENT binder
MVS/APPC TP Profile and Side Info
data sets, while waiting in line for several hours to get into
the "Back To The Future" ride at Universal Studios in
Orlando. Unfortunately, the funding to implement that
design never happened.
Jim Mulder z/OS Diagnosis, Design, Development, Test
Yes, I know the lines from that show from having
played in the orchestra for it here:
https://countyplayers.org/icpdb/shows/0502.html
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
"IBM Mainframe Discussion List" wrote on
08/30/2021 05:12:37 P
But I have come across places that were missed when other
subpools were added.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
"IBM Mainframe Discussion List" wrote on
08/30/2021 05:28:50 PM:
> From: "Charles Mills"
> To: IBM-MAIN@LIS
least a purpose of marking them RENT.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
"IBM Mainframe Discussion List" wrote on
08/30/2021 07:23:00 PM:
> From: "Andrew Rowley"
> To: IBM-MAIN@LISTSERV.UA.EDU
> Date: 08/30/2021
New York responds, courteously.
On a test system, you may specify the undocumented
CsvSP252RoundUpTRAPS name in DIAGxx. For a module
being loaded into subpool 252, that will round the length up to
a 4K multiple.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp
The behavior of loading RENT modules from authorized
libraries into subpool 252 (key 0) is to prevent them from
being modified by unauthorized programs. That is intended
to contribute to security.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
&quo
those ranges as conceptually REFR for stealing purposes,
regardless of the load module attributes.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
"IBM Mainframe Discussion List" wrote on
08/25/2021 09:10:04 PM:
> From: "CM Poncele
the MVCL?
What was the target address and length for the MVCL?
What was the Translation Exception Id?
From a dump, what was the length and address from the
system trace entry for the GETMAIN which obtained the module storage?
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp
support.
Logrec and syslog are also required.
CANCEL DUMPSRV sometimes is able to
allow subsequent dumps to be taken.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp.
Poughkeepsie NY
"IBM Mainframe Discussion List" wrote on
08/23/2021 03:37:33 PM:
> From: &q
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