Thanks.

I deployed a clean/new Fedora 27 minimal, installed ipa-client/sssd, we have sssd version 1.16.0-6.fc27 on that virtual machine now, and then enrolled the host in our FreeIPA.

Then I did a:
service sssd stop ; rm -rvf /var/lib/sss/db/* ; rm -rvf /var/lib/sss/mc/* ; rm -rvf /var/log/sssd/* ; service sssd start

added log level 9 to all sections of the sssd config file

Ran my test and then tar'd up the sssd log files and attached them here.
I did look them over beforehand but I'm not seeing anything interesting that I would recognize other than:

(Wed Mar 14 14:50:06 2018) [sssd[pam]] [pam_dp_process_reply] (0x0200): received: [4 (System error)][placeiq.net]

A little more background. 

Of course we don't run Fedora in production, it's all CentOS, mostly 7 and some 6. And we use FreeIPA.

We use Rundeck (http://rundeck.org/) for job scheduling and we have a few jobs that can, if not properly scheduled, trigger multiple logins to the same host, by the same FreeIPA user, at the same time.

This did not used to cause problems but unfortunately Puppet pushed out an update to sssd to all of our CentOS nodes last Friday, March 9 and with this updated sssd version we started seeing failures.


Jim Richard
SYSTEM ADMINISTRATOR III
(646) 338-8905  

PlaceIQ:Landmark by PlaceIQ

On Mar 13, 2018, at 6:41 AM, Jakub Hrozek <jhrozek@redhat.com> wrote:



On 13 Mar 2018, at 04:44, Jim Richard <jrichard@placeiq.com> wrote:

result in:

pam_sss(sshd:account): Access denied for user rundeck: 4 (System error)

I know this has been an issue in the past per some info I see in places like:
https://access.redhat.com/solutions/1477473

any chance there's been a regression bringing this issue back?


System Error is the default catch-all if SSSD can’t map some internal error onto a more specific error code. A bit like an unhandled exception. You need to enable the debug logs as per https://docs.pagure.org/SSSD.sssd/users/troubleshooting.html and look into the logs what’s going on.


Jim Richard
SYSTEM ADMINISTRATOR III
(646) 338-8905  



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