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Informix - Problem description

Problem IT44485 Status: Closed

'CDR START' CAN GENERATE ASSERT FAILED: YIELD_PROCESSOR: CONDITIONAL LATCH
COUNT NON-ZERO IN THREAD.

product:
INFORMIX SERVER / 5725A3900 / E10 - 
Problem description:
In an ER cluster, starting cdr with 'cdr start' can throw
exception,
"Assert Failed: yield_processor: Conditional latch count
non-zero in thread"

Below is the sample logs in the message file.

18:04:41  Assert Failed: yield_processor: Conditional latch
count non-zero in thread 12253

18:04:41  IBM Informix Dynamic Server Version 14.10.FC10
18:04:41   Who: Session(12238, informix@hostname, 0,
0x4550f478)
        Thread(12253, CDRNrW_111, 454d4e18, 8)
        File: mt_fn.c Line: 18229
18:04:41  stack trace for pid 18733 written to
/chunks/14.10/grnw141f10x1_rj1t/af.33c55199
18:04:41  CDR: Re-connected to server, id 112, name 
18:04:41  CDR connection to server lost, id 112, name 
Reason: disconnect server
18:04:41   See Also:
/chunks/14.10/grnw141f10x1_rj1t/af.33c55199
18:04:45  Thread ID 12253 will NOT be suspended because
          it is deemed too critical to the server.
18:04:45   See Also:
/chunks/14.10/grnw141f10x1_rj1t/af.33c55199
18:04:45  Starting crash time check of:
18:04:45  1. memory block headers
18:04:45  2. stacks
18:04:45  Crash time checking found no problems
18:04:45  mt_fn.c, line 18229, thread 12253, proc id 18733,
yield_processor: Conditional latch count non-zero in thread
12253
.
18:04:45  Fatal error in ADM VP at mt_fn.c:15169
18:04:45  Unexpected virtual processor termination: pid = 18733,
exit status = 0x1.
18:04:45  PANIC: Attempting to bring system down
Problem Summary:
****************************************************************
* USERS AFFECTED:                                              *
* Users of Informix Server prior to 14.10.xC11.                *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* See Error Description                                        *
****************************************************************
* RECOMMENDATION:                                              *
* Upgrade to Informix Server 14.10.xC11.                       *
****************************************************************
Local Fix:
Solution
Workaround
****************************************************************
* USERS AFFECTED:                                              *
* Users of Informix Server prior to 14.10.xC11.                *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* See Error Description                                        *
****************************************************************
* RECOMMENDATION:                                              *
* Upgrade to Informix Server 14.10.xC11.                       *
****************************************************************
Comment
Fixed in Informix Server 14.10.xC11.
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
07.09.2023
03.06.2024
03.06.2024
Problem solved at the following versions (IBM BugInfos)
Problem solved according to the fixlist(s) of the following version(s)