- **status**: accepted --> review
- **Comment**:
https://sourceforge.net/p/opensaf/mailman/message/33009960/
---
** [tickets:#1202] IMM: Local immnd crashes on assert in executing
saImmOiObjectImplementerSet**
**Status:** review
**Milestone:** 4.4.2
**Created:** Wed Nov 05, 2014 09:47 AM UTC by Anders Bjornerstedt
**Last Updated:** Thu Nov 06, 2014 10:49 AM UTC
**Owner:** Anders Bjornerstedt
>From syslog:
2014-10-28 15:16:27 SystemEvent osafimmnd SC-2-1 err osafimmnd[8813]:
immnd_evt.c:3178: immnd_fevs_local_checks: Assertion 'error != SA_AIS_OK'
failed.
This assertion is in immnd_evt.c in function immnd_fevs_local_checks at:
-----------------------------------
case IMMND_EVT_A2ND_OI_OBJ_IMPL_SET:
if(fevsReq->sender_count != 0x1) {
LOG_WA("ERR_LIBRARY: IMMND_EVT_A2ND_OI_OBJ_IMPL_SET
fevsReq->sender_count != 0x1");
error = SA_AIS_ERR_LIBRARY;
} else if(immModel_immNotWritable(cb)) {// sync is on-going
SaUint32T ccbId=0;
error = immModel_objectImplementerSet(cb,
&(frwrd_evt.info.immnd.info.implSet), conn,
nodeId, &ccbId);
osafassert(error != SA_AIS_OK); <======
/* OK is impossible since we are not writable */
-----------------------------------------------------------
The problem has been reproduced.
It is simply the case of an idempotent *applier* object-implementer-set
attempted during sync.
To reproducde:
0) Modify tests/immsv/implementer/applier.c to attach object-applier
instead of class-applier.
1) Create an applier on a test object. For example using
immapplier -a @MyApplier <test-object>
2) Stop the applier.
3) Trigger a sync by rebooting one node or killing one immnd.
4) While the sync is on-going (you may need to poulate with objects so
that the sync is not too fast) start the same applier on the same object
again.
The IMMND on the processor where the applier is trying to re-attach will crash.
Raising priority to critical since the originaly reported case happened
during failover and resulted in IMMND restart at new active SC resulting
in cluster restart.
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