- **status**: unassigned --> accepted
- **assigned_to**: Praveen
---
** [tickets:#1689] ntf/imcn : IMCN asserts when saImmOmClassDescriptionGet()
returns ERR_TIME_OUT.**
**Status:** accepted
**Milestone:** 4.6.2
**Created:** Fri Mar 04, 2016 09:25 AM UTC by Praveen
**Last Updated:** Fri Mar 04, 2016 09:25 AM UTC
**Owner:** Praveen
**Attachments:**
-
[imcn_repr.patch](https://sourceforge.net/p/opensaf/tickets/1689/attachment/imcn_repr.patch)
(975 Bytes; application/octet-stream)
-
[osafimmnd](https://sourceforge.net/p/opensaf/tickets/1689/attachment/osafimmnd)
(2.6 MB; application/octet-stream)
-
[osafntfcn](https://sourceforge.net/p/opensaf/tickets/1689/attachment/osafntfcn)
(24.1 kB; application/octet-stream)
For getting rdn attribute name, IMCN calls saImmOmClassDescriptionGet_2() API.
If this API returns ERR-TIME_OUT, IMCN is not giving a retry and asserts.
Currently IMCN give a retry only when its gets ERR_TRY_AGAIN.
Above API call will allocate memroy for class description that will be freed by
application (here IMCN)
by calling saImmOmClassDescriptionMemoryFree(). This API never returns
TRY_AGAIN as per IMM spec, so retry loop for this API in ntfimcn_imm.c can be
removed.
traces from ntfcn:
Mar 4 14:25:55.792614 osafntfimcnd [15265:imma_om_api.c:5070] TR ClassName:
OsafNtfCmTestCFG
Mar 4 14:25:55.792630 osafntfimcnd [15265:imma_om_api.c:5087] TR ClassDescrGet
3
Mar 4 14:25:56.794112 osafntfimcnd [15265:imma_om_api.c:5331] <<
saImmOmClassDescriptionGet_2
Mar 4 14:25:56.794157 osafntfimcnd [15265:ntfimcn_imm.c:0134] NO DEBUG: Class
description :5
Mar 4 14:25:56.794176 osafntfimcnd [15265:ntfimcn_imm.c:0136] ER
saImmOmClassDescriptionGet_2 failed SA_AIS_ERR_TIMEOUT (5)
Issue is too random to get reproduced, so above traces are reproduced after
forcing the API tp return time out by introducing a slee in immnd (could not
find any elegant way to reproduce it). I have attached patch to reproduce it
(imcn_repr.patch).
Also attached immnd and ntfcn traces.
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