A fix is available
APAR status
Closed as program error.
Error description
Symptom: UDP traffic with zero length as the payload will not be responded to from the receiving end. IPtrace will show the packet is received on the receiving end but not responded to. If truss is run: truss <application> It will show program stops at and never proceeds _enrecvfrom() If another UDP packet of zero length is sent, the program proceeds past _enrecvfrom().
Local fix
Send data packets with at least 1 byte of payload.
Problem summary
**************************************************************** * USERS AFFECTED: * Systems running the 6100-08 Technology Level with the * bos.net.tcp.client fileset at the 6.1.8.15 or 6.1.8.16 level. **************************************************************** * PROBLEM DESCRIPTION: * Symptom: * UDP traffic with zero length as the payload will not be * responded to from the receiving end. * IPtrace will show the packet is received on the receiving * end but not responded to. * If truss is run: * truss <application> * It will show program stops at and never proceeds * _enrecvfrom() * If another UDP packet of zero length is sent, the program * proceeds past _enrecvfrom(). **************************************************************** * RECOMMENDATION: * Install APAR IV46804. ****************************************************************
Problem conclusion
Fix udp receive path to accept packet with 0-length payload.
Temporary fix
Comments
APAR Information
APAR number
IV46804
Reported component name
AIX 610 STD EDI
Reported component ID
5765G6200
Reported release
610
Status
CLOSED PER
PE
YesPE
HIPER
NoHIPER
Submitted date
2013-08-08
Closed date
2013-08-22
Last modified date
2014-02-20
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
AIX 610 STD EDI
Fixed component ID
5765G6200
Applicable component levels
R610 PSY U859520
UP14/02/17 I 1000
PTF to Fileset Mapping
U859520 bos.net.tcp.client 6.1.8.17
[{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SSMV87","label":"AIX 6.1 Enterprise Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"610","Edition":"","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}},{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSMVAX","label":"AIX Express Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"610","Edition":"","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}},{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SSAUMY","label":"IBM AIX Enterprise Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"610","Edition":"","Line of Business":{"code":"","label":""}},{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SG11Q","label":"AIX 6.1 HIPERS, APARs and Fixes"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"610","Edition":"","Line of Business":{"code":"","label":""}}]
Document Information
Modified date:
20 February 2014