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Bug 1414678

Summary:	deadlock on cos cache rebuild
Product:	Red Hat Enterprise Linux 7	Reporter:	Jaroslav Reznik <jreznik>
Component:	389-ds-base	Assignee:	Noriko Hosoi <nhosoi>
Status:	CLOSED ERRATA	QA Contact:	Viktor Ashirov <vashirov>
Severity:	urgent	Docs Contact:	Marc Muehlfeld <mmuehlfe>
Priority:	urgent
Version:	7.3	CC:	jnansi, mkosek, msauton, ndehadra, nhosoi, nkinder, nsoman, pvoborni, rcritten, rmeggins, sramling, tbordaz, wibrown
Target Milestone:	rc	Keywords:	TestBlocker, ZStream
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	389-ds-base-1.3.5.10-16.el7_3	Doc Type:	Bug Fix
Doc Text:	Previously, if the cos_post_op() function was called while the back-end database was locked, a deadlock occurred when rebuilding the Class of Service (CoS) cache. Directory Server now rebuilds the CoS cache without requiring the internal lock. As a result, the deadlock situation no longer occurs in the described situation.	Story Points:	---
Clone Of:	1410514	Environment:
Last Closed:	2017-03-02 17:13:09 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1410514
Bug Blocks:

Description Jaroslav Reznik 2017-01-19 08:48:10 UTC

This bug has been copied from bug #1410514 and has been proposed
to be backported to 7.3 z-stream (EUS).

Comment 5 Sankar Ramalingam 2017-02-07 10:33:54 UTC

Executed upstream tests - https://fedorahosted.org/389/attachment/ticket/49079/ticket49079_test.py


[0 root@qeos-5 tickets]# py.test -v -s ticket49079_test.py 
===================================================== test session starts =====================================================
platform linux2 -- Python 2.7.5 -- py-1.4.27 -- pytest-2.7.0 -- /usr/bin/python
rootdir: /mnt/tests/rhds/tests/upstream/ds/dirsrvtests/tests/tickets, inifile: 
plugins: html, cov, beakerlib
DS build: 1.3.5.10 B2017.031.2344
389-ds-base: 1.3.5.10-17.el7_3
nss: 3.21.3-2.el7_3
nspr: 4.11.0-1.el7_2
openldap: 2.4.44-1.el7
svrcore: 4.1.2-1.el7

collected 1 items 

ticket49079_test.py::test_ticket49079 OK group dirsrv exists
OK user dirsrv exists
INFO:lib389:List backend with suffix=dc=example,dc=com
INFO:lib389:Found entry dn: cn=replrepl,cn=config
cn: bind dn pseudo user
cn: replrepl
objectClass: top
objectClass: person
sn: bind dn pseudo user
userPassword: {SSHA}QOTyrL6fqHtnx4deTTCZOFzXuPt9c5eeWeGNRA==


OK group dirsrv exists
OK user dirsrv exists
INFO:lib389:List backend with suffix=dc=example,dc=com
INFO:lib389:Found entry dn: cn=replrepl,cn=config
cn: bind dn pseudo user
cn: replrepl
objectClass: top
objectClass: person
sn: bind dn pseudo user
userPassword: {SSHA}OYmx20dkWphkFgte/G2p74S3QShf/R8jTLYr1w==


INFO:lib389:Starting total init cn=meTo_localhost:39002,cn=replica,cn=dc\3Dexample\2Cdc\3Dcom,cn=mapping tree,cn=config
('Update succeeded: status ', '0 Total update succeeded')
INFO:dirsrvtests.tests.tickets.ticket49079_test:Replication is working.
INFO:lib389:Pausing replication cn=meTo_localhost:39001,cn=replica,cn=dc\3Dexample\2Cdc\3Dcom,cn=mapping tree,cn=config
INFO:lib389:Pausing replication cn=meTo_localhost:39002,cn=replica,cn=dc\3Dexample\2Cdc\3Dcom,cn=mapping tree,cn=config
INFO:lib389:Resuming replication cn=meTo_localhost:39001,cn=replica,cn=dc\3Dexample\2Cdc\3Dcom,cn=mapping tree,cn=config
INFO:lib389:Resuming replication cn=meTo_localhost:39002,cn=replica,cn=dc\3Dexample\2Cdc\3Dcom,cn=mapping tree,cn=config
PASSEDInstance slapd-master_1 removed.
Instance slapd-master_2 removed.

==== 1 passed in 75.72 seconds ==== 

Tests PASSed. Hence, marking the bug as Verified.

[0 root@qeos-5 tickets]# rpm -qa |grep -i 389-ds
389-ds-base-libs-1.3.5.10-17.el7_3.x86_64
389-ds-base-1.3.5.10-17.el7_3.x86_64

Comment 7 errata-xmlrpc 2017-03-02 17:13:09 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHBA-2017-0385.html