Bug 2021196

Summary: Make backtrace less "chatty" (avoid duplicate backtraces)
Product: Red Hat Enterprise Linux 8 Reporter: Tomas Halman <thalman>
Component: sssdAssignee: Alexey Tikhonov <atikhono>
Status: CLOSED ERRATA QA Contact: Steeve Goveas <sgoveas>
Severity: medium Docs Contact:
Priority: unspecified    
Version: 8.5CC: aboscatt, grajaiya, jhrozek, lslebodn, mzidek, pbrezina, sgoveas, tscherf
Target Milestone: rcKeywords: Triaged, ZStream
Target Release: ---Flags: pm-rhel: mirror+
Hardware: Unspecified   
OS: Linux   
Whiteboard: sync-to-jira
Fixed In Version: sssd-2.6.1-1.el8 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of:
: 2021499 (view as bug list) Environment:
Last Closed: 2022-05-10 15:26:44 UTC Type: Bug
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:    
Bug Blocks: 2021499    

Description Tomas Halman 2021-11-08 14:38:59 UTC 
In case the same error(s) is repeated again and again repeating the same backtrace doesn't add much value. In this case let's add just a note.
Comment 1 Alexey Tikhonov 2021-11-08 15:56:51 UTC 
Pushed PR: https://github.com/SSSD/sssd/pull/5862

* `master`
    * bb8da4303851642318b626aad507ab7c39f6a80d - DEBUG: avoid backtrace dups.
Comment 4 Steeve Goveas 2021-12-02 18:21:37 UTC 
[root@ci-vm-10-0-151-51 ~]# rpm -q sssd
sssd-2.5.2-2.el8_5.1.x86_64

[root@ci-vm-10-0-151-51 ~]# cat /etc/sssd/sssd.conf
[sssd]
config_file_version = 2
services = nss, pam
domains = example1

[domain/example1]
ldap_search_base = dc=example,dc=test
id_provider = ldap
auth_provider = ldap
ldap_user_home_directory = /home/%u
ldap_uri = ldaps://typo.ci-vm-10-0-149-164.hosted.upshift.rdu2.redhat.com
ldap_tls_cacert = /etc/openldap/cacerts/cacert.pem
use_fully_qualified_names = True
debug_level = 9

[root@ci-vm-10-0-151-51 ~]# systemctl start sssd

[root@ci-vm-10-0-151-51 ~]# getent passwd test@example1
[root@ci-vm-10-0-151-51 ~]# getent passwd test@example1
[root@ci-vm-10-0-151-51 ~]# getent passwd test@example1


[root@ci-vm-10-0-151-51 ~]# grep BACKTRACE /var/log/sssd/sssd_nss.log 
********************** PREVIOUS MESSAGE WAS TRIGGERED BY THE FOLLOWING BACKTRACE:
********************** BACKTRACE DUMP ENDS HERE *********************************
********************** PREVIOUS MESSAGE WAS TRIGGERED BY THE FOLLOWING BACKTRACE:
********************** BACKTRACE DUMP ENDS HERE *********************************
********************** PREVIOUS MESSAGE WAS TRIGGERED BY THE FOLLOWING BACKTRACE:
********************** BACKTRACE DUMP ENDS HERE *********************************
********************** PREVIOUS MESSAGE WAS TRIGGERED BY THE FOLLOWING BACKTRACE:
********************** BACKTRACE DUMP ENDS HERE *********************************
********************** PREVIOUS MESSAGE WAS TRIGGERED BY THE FOLLOWING BACKTRACE:
********************** BACKTRACE DUMP ENDS HERE *********************************
********************** PREVIOUS MESSAGE WAS TRIGGERED BY THE FOLLOWING BACKTRACE:
********************** BACKTRACE DUMP ENDS HERE *********************************
********************** PREVIOUS MESSAGE WAS TRIGGERED BY THE FOLLOWING BACKTRACE:
********************** BACKTRACE DUMP ENDS HERE *********************************
********************** PREVIOUS MESSAGE WAS TRIGGERED BY THE FOLLOWING BACKTRACE:
********************** BACKTRACE DUMP ENDS HERE *********************************
[root@ci-vm-10-0-151-51 ~]#



Verified with
[root@ci-vm-10-0-151-51 ~]# rpm -q sssd
sssd-2.6.1-1.el8.x86_64

[root@ci-vm-10-0-151-51 ~]# getent passwd test@example1
[root@ci-vm-10-0-151-51 ~]# getent passwd test@example1
[root@ci-vm-10-0-151-51 ~]# getent passwd test@example1

[root@ci-vm-10-0-151-51 ~]# grep BACKTRACE /var/log/sssd/sssd_nss.log 
********************** PREVIOUS MESSAGE WAS TRIGGERED BY THE FOLLOWING BACKTRACE:
********************** BACKTRACE DUMP ENDS HERE *********************************

[root@ci-vm-10-0-151-51 ~]# grep skipping /var/log/sssd/sssd_nss.log 
   *  ... skipping repetitive backtrace ...
   *  ... skipping repetitive backtrace ...
   *  ... skipping repetitive backtrace ...
   *  ... skipping repetitive backtrace ...
[root@ci-vm-10-0-151-51 ~]#
Comment 10 errata-xmlrpc 2022-05-10 15:26:44 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 (sssd bug fix and enhancement update), 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://access.redhat.com/errata/RHBA-2022:2070