Bug 1558933
| Summary: | After Latest Samba Update (3.6.23-44.el6_9 ) winbind runs out of memory | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 6 | Reporter: | amitkuma |
| Component: | samba | Assignee: | Andreas Schneider <asn> |
| Status: | CLOSED DUPLICATE | QA Contact: | qe-baseos-daemons |
| Severity: | high | Docs Contact: | |
| Priority: | unspecified | ||
| Version: | 6.9 | CC: | asn, gdeschner, jarrpa |
| Target Milestone: | rc | ||
| Target Release: | --- | ||
| Hardware: | x86_64 | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | If docs needed, set a value | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2018-03-21 16:36:10 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: | |||
*** This bug has been marked as a duplicate of bug 1513877 *** |
Description of problem: customer updated RHEL. Straight after update, Winbind is running out of memory. Applications used are host mail mta and web proxy. Use samba/ winbind to authenticate with Active directory. Currently one custoemr uses a cron job to restart winbind every hour or so. The other customer has done a yum downgrade to the previous working version, which has resolved the issue for them. Customer Env: AD RHEL-6.9 All working fine Updates Whole system. RHEL-6.9(samba-3.6.23-46.el6_9.x86_64) # vim gw-smb.conf [global] password server = <> workgroup = <> realm = idmap uid = 9999-9999 idmap gid = 9999-9999 winbind reconnect delay = 20 security = ads <--winbind-- /var/log/messages Sep 4 11:31:39 <> kernel: : Out of memory: Kill process 27825 (winbindd) score 696 or sacrifice child Sep 4 11:31:39 <> kernel: : Killed process 27844, UID 0, (winbindd) total-vm:96624kB, anon-rss:312kB, file-rss:388kB Sep 4 11:31:39 <> kernel: : udisks-daemon invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0, oom_score_adj=0 Sep 4 11:31:39 <> kernel: : udisks-daemon cpuset=/ mems_allowed=0 Sep 4 11:31:39 <> kernel: : Pid: 4516, comm: udisks-daemon Not tainted 2.6.32-696.10.1.el6.x86_64 #1 System logs Sep 4 11:31:49 <> winbindd[27825]: [2017/09/04 11:31:49.553379, 0] winbindd/winbindd_dual.c:1377(fork_domain_child) Sep 4 11:31:49 <> winbindd[27825]: Could not open child pipe: Too many open files Version-Release number of selected component (if applicable): samba-3.6.23-46.el6_9.x86_64 How reproducible: All time in customer env Steps to Reproduce: 1. 2. 3. Actual results: winbind runs out of memory after upgrade Expected results: Winbind should not run out of memory after upgrade Additional info: 1. Collected valgrind report after running command as: # valgrind --tool=memcheck --log-file=report.txt --leak-check=full /usr/sbin/winbindd -F 2. Asked customer for providing samba logs at log level=10 at time of issue Please data provided by customer at: https://foobar.gsslab.pnq.redhat.com/01936736/