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Informix - Problem description

Problem IT42767 Status: Closed

ASSERT FAILED: YIELD_PROCESSOR: CONDITIONAL LATCH COUNT NON-ZEROERROR

product:
INFORMIX SERVER / 5725A3900 / C10 - IDS 12.10
Problem description:
When running task to switch the mirror chunks or dbspaces
through 'modify space swap_mirrors'
through execute function task(ex: execute function task("modify
space swap_mirrors","logdbs")
) we might get an AF with error
"yield_processor: Conditional latch count non-zero Error"
in either main_loop or flusher thread with one of the following
stack

1)
Thread(7, main_loop(), 700000074d45028, 8)

0x0000000100063ed0 (oninit)yield_processor_mvp
0x000000010006b32c (oninit)mt_yield
0x000000010009d20c (oninit)wake_idle_vp
0x0000000101908514 (oninit)kaio_schedule_and_start_io
0x000000010009a88c (oninit)IPRA.$mt_aio_start
0x00000001000a9a44 (oninit)mt_aio_start
0x000000010023b82c (oninit)physio
0x0000000100218864 (oninit)logwrite
0x000000010022c410 (oninit)log_put
0x000000010022ab50 (oninit)logm_write
0x0000000100217518 (oninit)logputx
0x00000001007a09cc (oninit)cloneWriteEndOfCheckpoint
0x0000000100ad5184 (oninit)checkpoint
0x000000010000a008 (oninit)main_loop

2)
0x00000001000b05ec (oninit)afstack
0x00000001000af77c (oninit)afhandler
0x00000001000afe10 (oninit)afcrash_interface
0x0000000100063ed0 (oninit)yield_processor_mvp
0x000000010006b32c (oninit)mt_yield
0x000000010009cd14 (oninit)mt_aio_wait
0x000000010009a8a0 (oninit)IPRA.$mt_aio_start
0x00000001000a9a44 (oninit)mt_aio_start
0x0000000100240458 (oninit)chunkio_int
0x0000000100240e88 (oninit)chunkio
0x000000010023b7ac (oninit)physio
0x000000010023c630 (oninit)bfphysflush
0x000000010024872c (oninit)flush_buffers
0x0000000100248b60 (oninit)clean_lru
0x00000001002492c8 (oninit)flush_sub
0x000000010190daa0 (oninit)startup
Problem Summary:
****************************************************************
* USERS AFFECTED:                                              *
* Users of Informix Server prior to 12.10.xC16 and 14.10.FC10. *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* See Error Description                                        *
****************************************************************
* RECOMMENDATION:                                              *
* Upgrade to Informix Server 12.10.xC16 (if available) or      *
* 14.10.FC10.                                                  *
****************************************************************
Local Fix:
Solution
Workaround
****************************************************************
* USERS AFFECTED:                                              *
* Users of Informix Server prior to 12.10.xC16 and 14.10.FC10. *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* See Error Description                                        *
****************************************************************
* RECOMMENDATION:                                              *
* Upgrade to Informix Server 12.10.xC16 (if available) or      *
* 14.10.FC10.                                                  *
****************************************************************
Comment
Fixed in Informix Server 12.10.xC16 and 14.10.FC10.
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
20.12.2022
22.02.2023
22.02.2023
Problem solved at the following versions (IBM BugInfos)
Problem solved according to the fixlist(s) of the following version(s)