Bailey, Morgan [BT] wrote:
Hi all
We have recently made some major changes to our DNS infrastructure.
This involved consolidating servers and standardizing on a single RHEL6
platform. We currently running the latest RHEL6 packaged BIND release
of 9.8.2 (9.8.2rc1-RedHat-9.8.2-0.10.rc1.el6). Lately on one of our
busier names servers the named daemon has been crashing with assertion
errors. Here is a recent log snippet:
Jul 17 07:36:51 ks01 named[11224]: rbtdb.c:1619: INSIST(!((void
*)((node)->deadlink.prev) != (void *)(-1))) failed, back trace
Jul 17 07:36:51 ks01 named[11224]: #0 0x7f8444865c2f in ??
Jul 17 07:36:51 ks01 named[11224]: #1 0x7f844321c89a in ??
Jul 17 07:36:51 ks01 named[11224]: #2 0x7f84440f2883 in ??
Jul 17 07:36:51 ks01 named[11224]: #3 0x7f84440f82cb in ??
Jul 17 07:36:51 ks01 named[11224]: #4 0x7f844415829f in ??
Jul 17 07:36:51 ks01 named[11224]: #5 0x7f844415e4c0 in ??
Jul 17 07:36:51 ks01 named[11224]: #6 0x7f844323b2f8 in ??
Jul 17 07:36:51 ks01 named[11224]: #7 0x7f8442bf0851 in ??
Jul 17 07:36:51 ks01 named[11224]: #8 0x7f844215367d in ??
Jul 17 07:36:51 ks01 named[11224]: exiting (due to assertion failure)
Jul 17 07:36:55 ks01 abrt[29353]: Saved core dump of pid 11224
(/usr/sbin/named) to /var/spool/abrt/ccpp-2012-07-17-07:36:51-11224
(346398720 bytes)
Jul 17 07:36:55 ks01 abrtd: Directory 'ccpp-2012-07-17-07:36:51-11224'
creation detected
I did a little research and found a few forum posts where others were
having the same or similar problems and the general consensus was that
this was a problem that was fixed in 9.8.2. Apparently my problem is
slightly different or the issue wasn’t fixed.
My questions are:
Is anyone else having this problem, and if so what did you do to remedy
it? Also, I have the coredump. Where should I send it for further
analysis?
Morgan Bailey
Information Security Engineer
Office of Information Technology Services
785-296-3706
Morgan,
This appears to be the same problem we're experiencing on RHEL6. This
bug WAS fixed in bind 9.8.2rc2 AND the final 9.8.2 BUT Redhat decided to
use 9.8.2rc1 as the base for their bind package. I can't shake my head
enough trying to figure out why they would use a release candidate but
that's what was done.
Anyway, Redhat is working on a patch for this and it should be released
"soon".
<https://bugzilla.redhat.com/show_bug.cgi?id=837165>
Oscar
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