A fix is available
APAR status
Closed as program error.
Error description
QUERY VIRTUAL LINKS command issued from a member in an SSI cluster could cause the system to hang.
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: All users of z/VM SSI cluster * **************************************************************** * PROBLEM DESCRIPTION: * **************************************************************** * RECOMMENDATION: APPLY PTF * **************************************************************** QUERY VIRTUAL LINKS command in a z/VM SSI cluster could cause the system to hang. The code has existed this way since z/VM 6.2 and it is not likely to happen, but can occur in rare cases when ISFC links are experiencing problems.
Problem conclusion
The code in HCPQVC has been changed to release the RDEVLOCK prior to communicating with the SSI cluster to gather link information.
Temporary fix
FOR RELEASE VM/ESA CP/ESA R640 : PREREQ: NONE CO-REQ: NONE IF-REQ: NONE FOR RELEASE VM/ESA CP/ESA R710 : PREREQ: NONE CO-REQ: NONE IF-REQ: NONE
Comments
APAR Information
APAR number
VM66224
Reported component name
VM CP
Reported component ID
568411202
Reported release
640
Status
CLOSED PER
PE
NoPE
HIPER
YesHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2018-11-05
Closed date
2018-11-15
Last modified date
2019-06-26
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
UM35398 UM35399
Modules/Macros
HCPQVC
Fix information
Fixed component name
VM CP
Fixed component ID
568411202
Applicable component levels
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.
[{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SG27M","label":"APARs - z\/VM environment"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"640","Edition":"","Line of Business":{"code":"LOB16","label":"Mainframe HW"}}]
Document Information
Modified date:
26 June 2019