Bug 438456
| Summary: | [RHEL5] certain nscd configuration causes trap divide errors | ||||||
|---|---|---|---|---|---|---|---|
| Product: | Red Hat Enterprise Linux 5 | Reporter: | Andrew Ryan <aryan> | ||||
| Component: | glibc | Assignee: | Jakub Jelinek <jakub> | ||||
| Status: | CLOSED ERRATA | QA Contact: | Brian Brock <bbrock> | ||||
| Severity: | low | Docs Contact: | |||||
| Priority: | low | ||||||
| Version: | 5.1 | CC: | drepper, fweimer, john.haxby, tao | ||||
| Target Milestone: | rc | Keywords: | Patch | ||||
| Target Release: | --- | ||||||
| Hardware: | All | ||||||
| OS: | Linux | ||||||
| Whiteboard: | |||||||
| Fixed In Version: | Doc Type: | Bug Fix | |||||
| Doc Text: | Story Points: | --- | |||||
| Clone Of: | Environment: | ||||||
| Last Closed: | 2009-01-20 20:50:46 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: | |||||||
| Attachments: |
|
||||||
Created attachment 298765 [details]
backported patch
This request was evaluated by Red Hat Product Management for inclusion in a Red Hat Enterprise Linux maintenance release. Product Management has requested further review of this request by Red Hat Engineering, for potential inclusion in a Red Hat Enterprise Linux Update release for currently deployed products. This request is not yet committed for inclusion in an Update release. An advisory has been issued which should help the problem described in this bug report. This report is therefore being closed with a resolution of ERRATA. For more information on therefore solution and/or where to find the updated files, please follow the link below. You may reopen this bug report if the solution does not work for you. http://rhn.redhat.com/errata/RHBA-2009-0080.html See also bug 436515 |
Description of problem: certain nscd configuration causes trap divide errors (a gethostbyname call triggers it). Version-Release number of selected component (if applicable): Red Hat Enterprise Linux Server release 5.1 (Tikanga) nscd-2.5-18.el5_1.1 How reproducible: 100% Steps to Reproduce: # diff -u /etc/nscd.conf.orig /etc/nscd.conf --- /etc/nscd.conf.orig 2008-03-20 11:38:35.000000000 +1000 +++ /etc/nscd.conf 2008-03-20 12:12:06.000000000 +1000 @@ -63,8 +63,8 @@ enable-cache hosts yes positive-time-to-live hosts 3600 negative-time-to-live hosts 20 - suggested-size hosts 211 +# suggested-size hosts 211 check-files hosts yes - persistent hosts yes + persistent hosts no shared hosts yes max-db-size hosts 33554432 # service nscd start # ping something Actual results: # ping bob Floating point exception (core dumped) # tail -1 /var/log/messages Mar 20 12:22:36 el5 kernel: ping[1065] trap divide error rip:2aaaaafda40a rsp:7ffffe836cb0 error:0 Expected results: # ping bob PING bob.bne.redhat.com (10.64.10.2) 56(84) bytes of data. 64 bytes from bob.bne.redhat.com (10.64.10.2): icmp_seq=0 ttl=60 time=402 ms Additional info: Fixed by this upstream commit: http://sources.redhat.com/cgi-bin/cvsweb.cgi/libc/nscd/nscd_helper.c.diff?r1=1.31&r2=1.32&cvsroot=glibc Backported fix for RHEL 5 is attached.