PTF Cover Letter
PTF ( Program Temporary Fixes ) Cover letter
TCPIP-OTHER-PERFM MSS CALCULATION ERROR AND HARDCODING LSO M
Pre/Co-Requisite PTF / Fix List
REQ LICENSED PTF/FIX LEVEL
TYPE PROGRAM REL NUMBER MIN/MAX OPTION
---- -------- --- ------- ------- ------
CO 5770999 710 MF55851 00/00 0000
CO 5770999 710 MF49821 00/00 0000
NOTICE:
-------
Application of this PTF may disable or render ineffective programs that
use system memory addresses not generated by the IBM translator,
including programs that circumvent control technology designed to limit
interactive capacity to purchased levels. This PTF may be a prerequisite
for future PTFs. By applying this PTF you authorize and agree to the
foregoing.
This PTF is subject to the terms of the 'IBM License Agreement for Machine
Code', the terms of which were provided in a printed document that was
delivered with the machine.
SUBJECT TO ANY WARRANTIES WHICH CAN NOT BE EXCLUDED OR EXCEPT AS EXPLICITLY
AGREED TO IN THE APPLICABLE LICENSE AGREEMENT OR AN APPLICABLE SUPPORT
AGREEMENT, IBM MAKES NO WARRANTIES OR CONDITIONS EITHER EXPRESS OR IMPLIED,
INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OR CONDITIONS OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON INFRINGEMENT,
REGARDING THE PTF.
APAR Error Description / Circumvention
-----------------------------------------------
MSS calculation error causing request for LSO with MSS lower
than what is supported by hardware causing the hardware to hang.
CORRECTION FOR APAR MA42775 :
-----------------------------
The MSS calculation was updated.
CIRCUMVENTION FOR APAR MA42775 :
--------------------------------
None.
Activation Instructions
None.
Special Instructions
None.
Default Instructions
THIS PTF CAN BE APPLIED IMMEDIATE OR DELAYED.
Supersedes
PTF/FIX NO(S). APAR TITLE LINE
-------------- ------------------------------------------------------------
MF55984 LIC-COMM-TCPIP-UNPRED ERRNO 3420
MF55850 OSP-COMM-TCPIP-OTHER-UNPRED TCP TIMESTAMP OPTION
MF55429 TCPIP-OTHER ACK not sent for incoming data packet when there
MF55429 LIC-COMM-TCPIP-UNPRED IOCTL(SIOCSENDQ)
MF55359 LIC-COMM-TCPIP-UNPRED TCP DUP ACK GENERATED
MF54855 LIC-COMM-TCPIP TCP may overwrite data with TCP header
MF54804 LIC-COMM-TCPIP-WAIT APPLICATION DATA GIVEN TO TCP IN SEPARAT
MF53300 Integrity Problem
MF53222 TCPIP TCP WINDOW SCALING
MF53222 LIC-COMM-TCPIP-UNPRED NO NEW SERVER (TELNET) CONNECTIONS
MF52893 LIC-COMM-TCPIP-CFG new ipconfig macro options
MF52348 TCPIP-OTHER-INCORROUT IDS ACKSTORM EVENT GENERATED BY TCP/IP
MF48598 LIC-COMM-TCPIP Transport Fixes
MF50394 LIC-COMM-TCPIP-UNPRED RETRANSMISSION TIMER HIGH
MF49877 LIC-COMM-TCPIP TCP Buffer Copy Prevention
MF53899 LIC-COMM-TCPIP TRYING TO CONNECT TO NETSERVER PRINTER SHARE
MF51635 OSP-COMM-TCPIP-OTHER-INCORROUT MTU VALUE NOT BEING PROCESSED
MF48748 LIC-COMM-TCPIP-PERFM P7 scaling performance improvements (TC
Summary Information
| System.............................. | i |
| Models.............................. | |
| Release............................. | V7R1M0 |
| Licensed Program............... | 5770999 |
| APAR Fixed.......................... | View details for APAR MA42775 |
| Superseded by:...................... | View fix details for PTF MF99011 |
| Recompile........................... | N |
| Library............................. | QSYS |
| MRI Feature ........................ | NONE |
| Cum Level........................... | C3298710 |
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Document Information
Modified date:
12 April 2013