A fix is available
APAR status
Closed as new function.
Error description
Provides a native device driver for the z/VM TCP/IP stack that exploits EQDIO adapters for network traffic.
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: Users of z17 and LinuxOne Emperor 5 hardware * **************************************************************** * PROBLEM DESCRIPTION: * **************************************************************** * RECOMMENDATION: APPLY PTF * **************************************************************** z17 and LinuxOne Emperor 5 added a new "Enhanced Queued Direct I/O" (EQDIO) hardware facility. Software code changes are required to take advantage of the facility. EQDIO Support is for z/VM TCP/IP.
Problem conclusion
Temporary fix
Comments
Support was added to TCP/IP for Enhanced Queued Direct I/O (EQDIO) in support of z17 and LinuxOne Emperor 5. A new device type (EQDIO) was added to the configuration. Support for the "EQDIO" device type was added to the stack and associated commands. Publications were updated with the changes. The following publications have been updated for this item: GC24-6286-74 z/VM: General Information GC24-6292-05 z/VM: Installation Guide GC24-6294-74 z/VM: Migration Guide GC24-6330-74 z/VM: TCP/IP Messages and Codes SC24-6331-74 z/VM: TCP/IP Planning and Customization SC24-6333-74 z/VM: TCP/IP User's Guide Additional Keywords: D/T9175
APAR Information
APAR number
PH65378
Reported component name
TCP/IP FOR Z/VM
Reported component ID
5735FAL00
Reported release
740
Status
CLOSED UR1
PE
NoPE
HIPER
NoHIPER
Special Attention
YesSpecatt / New Function / Xsystem
Submitted date
2025-02-21
Closed date
2025-06-16
Last modified date
2025-09-30
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
UO03340
Modules/Macros
CMCOMM CMMEM CMNETST CMPRCOM CMTCPPR DTCIPWIZ DTCUME DTCUMEB FPEQDIO FPEQDIO2 FPETHER FPFPSM FPIPDOW FPIPUP FPI6DOW FPI6UP FPNOTIF FPPARSE FPQDIO FPQUEUE FPROUND FPSCHED FPSOCKRE FPTCPDOW FPTCPREQ FPTCPUP FPTIMER FPTOCLAW FPTOCTC FPTOPC3 FPUTIL F6TCPDOW F6TCPREQ F6TCPUP IFCONFIG MODADD MSNETSTA MSTCP MSTCPPR NETSTAT PCALL PTRACE SMTPCMDS SMTPQUEU SMTPRES TCACB TCARP TCBASEX TCBASTY TCCETI1 TCCETI2 TCCETTR TCCHSC TCCHSCX TCCLITM TCCONFIG TCCONSI TCCPUDES TCDCB TCDIP98 TCEQDIO TCEQDIOX TCFPSM TCFPSMX TCFR182 TCINT TCIPDOW TCIPHEAD TCIPUP TCIUCAPI TCLCB TCMIB TCMIBREC TCMON TCMPRIO TCNED TCNOTIF TCOFFINP TCOFFLOP TCOFFPR TCPARSE TCPBLALL TCPBLM91 TCPDOWN TCPEQUAT TCPERUP TCPING TCPIP TCPIPIN TCPKT TCPREQU TCPRINT TCPROG TCPRUN TCPSSL TCPUP TCQDIO TCQDIOX TCQUEUE TCRAWRQ TCRAWUP TCROUND TCSHUT TCSNMDPI TCSOCKRE TCSTATO TCSUBBLO TCTIMER TCTOATM TCTOA22 TCTOCLAW TCTOCTC TCTOEQDI TCTOHPPI TCTOIUC TCTOOSD TCTOPC3 TCTO182 TCTREEP TCUDPRE TCUDPUP TCUTIL TCVAR TCVMSUB TCVMVER TCX2ICP TC18STA TC18S1P TC18TIM TNLDSFP TNSTMAS TNTOCP TNTOTCP T6PREQU T6PSSL T6RAWRQ T6SOCKRE T6UDPRE 7VMTCP40
| GC24628674 | SC24633174 | GC24629205 | SC24633374 | GC24629474 |
| GC24633074 |
Fix information
Fixed component name
TCP/IP FOR Z/VM
Fixed component ID
5735FAL00
Applicable component levels
R740 PSY UO03340
UP25/06/18 P 2502
Fix is available
Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.
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Document Information
Modified date:
30 September 2025