[Freeipa-users] Kerberos process coredump | authentication fails
Sumit Bose
sbose at redhat.com
Thu Jan 28 11:18:22 UTC 2016
On Thu, Jan 28, 2016 at 04:27:52PM +0530, Prashant Bapat wrote:
> Thanks Sumit.
>
> From the logs there is nothing unusual around the time of core dump. I
ah sorry, I wasn't clear here. I was not looking for unusual messages
but I wanted to find out which request might have caused the crash.
bye,
Sumit
> found this one line odd though.
>
> *Jan 26 03:15:58 ipa.example.net <http://ipa.example.net>
> krb5kdc[4471](Error): worker 4473 exited with status 134*
>
>
> Let me try to get the full BT.
>
> On 28 January 2016 at 13:54, Sumit Bose <sbose at redhat.com> wrote:
>
> > On Thu, Jan 28, 2016 at 10:25:53AM +0530, Prashant Bapat wrote:
> > > Hi,
> > >
> > > We have a FreeIPA 4.1.4 setup on F21 servers. There is 1 master and 7
> > > replicas in different regions. Earlier there was only 1 replica. Since I
> > > added new replicas, on the master node, once in a while the kerberos
> > > process dumps core and everything stops working - authentication,
> > > replication etc. If we restart everything using "ipactl restart" things
> > are
> > > back to normal.
> > >
> > > Attached is the output from journalctl for kerberos.
> > >
> > > Has anyone come across this ? Are there any pointers to troubleshooting
> > > this ?
> >
> > This might be fixed recently by a patch from Simo
> > (2144b1eeb789639b8a3df287b580aeb6196188a8). But to help to better
> > identify the issue the content of the kdc logs around the time of the
> > crash might be useful. Additionally a full backtrace which you can get
> > by calling
> >
> > coredumpclt gdb 4475
> >
> > and then
> >
> > bt full
> >
> > bye,
> > Sumit
> >
> > >
> > > Any help is appreciated.
> > >
> > > Thanks.
> > > --Prashant
> >
> > > Jan 26 03:15:59 ipa.example.net systemd-coredump[5000]: Process 4475
> > (krb5kdc) of user 0 dumped core.
> > >
> > > Stack trace of
> > thread 4475:
> > > #0
> > 0x00007f99de8c18d7 raise (libc.so.6)
> > > #1
> > 0x00007f99de8c353a abort (libc.so.6)
> > > #2
> > 0x00007f99de8ba47d __assert_fail_base (libc.so.6)
> > > #3
> > 0x00007f99de8ba532 __assert_fail (libc.so.6)
> > > #4
> > 0x00007f99d783a78f ldap_get_values_len (libldap_r-2.4.so.2)
> > > #5
> > 0x00007f99d7c8173e ipadb_ldap_attr_to_int (ipadb.so)
> > > #6
> > 0x00007f99d7c83f9c ipadb_parse_ldap_entry (ipadb.so)
> > > #7
> > 0x00007f99d7c849ab ipadb_get_principal (ipadb.so)
> > > #8
> > 0x00007f99e0433b14 krb5_db_get_principal (libkdb5.so.7)
> > > #9
> > 0x000055768457c230 process_tgs_req (krb5kdc)
> > > #10
> > 0x0000557684579fe3 dispatch (krb5kdc)
> > > #11
> > 0x000055768458d8a0 process_packet (krb5kdc)
> > > #12
> > 0x00007f99dec4cc78 verto_fire (libverto.so.1)
> > > #13
> > 0x00007f99d6fb72a3 epoll_event_loop_once (libtevent.so.0)
> > > #14
> > 0x00007f99d6fb5787 std_event_loop_once (libtevent.so.0)
> > > #15
> > 0x00007f99d6fb1fed _tevent_loop_once (libtevent.so.0)
> > > #16
> > 0x00007f99dec4c3f7 verto_run (libverto.so.1)
> > > #17
> > 0x00005576845795ab main (krb5kdc)
> > > #18
> > 0x00007f99de8acfe0 __libc_start_main (libc.so.6)
> > > #19
> > 0x00005576845798f0 _start (krb5kdc)
> > >
> > > Jan 26 03:15:59 ipa.example.net systemd-coredump[4999]: Process 4473
> > (krb5kdc) of user 0 dumped core.
> > >
> > > Stack trace of
> > thread 4473:
> > > #0
> > 0x00007f99de8c18d7 raise (libc.so.6)
> > > #1
> > 0x00007f99de8c353a abort (libc.so.6)
> > > #2
> > 0x00007f99de8ba47d __assert_fail_base (libc.so.6)
> > > #3
> > 0x00007f99de8ba532 __assert_fail (libc.so.6)
> > > #4
> > 0x00007f99d783a78f ldap_get_values_len (libldap_r-2.4.so.2)
> > > #5
> > 0x00007f99d7c8173e ipadb_ldap_attr_to_int (ipadb.so)
> > > #6
> > 0x00007f99d7c83f9c ipadb_parse_ldap_entry (ipadb.so)
> > > #7
> > 0x00007f99d7c849ab ipadb_get_principal (ipadb.so)
> > > #8
> > 0x00007f99e0433b14 krb5_db_get_principal (libkdb5.so.7)
> > > #9
> > 0x000055768457c230 process_tgs_req (krb5kdc)
> > > #10
> > 0x0000557684579fe3 dispatch (krb5kdc)
> > > #11
> > 0x000055768458d8a0 process_packet (krb5kdc)
> > > #12
> > 0x00007f99dec4cc78 verto_fire (libverto.so.1)
> > > #13
> > 0x00007f99d6fb72a3 epoll_event_loop_once (libtevent.so.0)
> > > #14
> > 0x00007f99d6fb5787 std_event_loop_once (libtevent.so.0)
> > > #15
> > 0x00007f99d6fb1fed _tevent_loop_once (libtevent.so.0)
> > > #16
> > 0x00007f99dec4c3f7 verto_run (libverto.so.1)
> > > #17
> > 0x00005576845795ab main (krb5kdc)
> > > #18
> > 0x00007f99de8acfe0 __libc_start_main (libc.so.6)
> > > #19
> > 0x00005576845798f0 _start (krb5kdc)
> >
> > > --
> > > Manage your subscription for the Freeipa-users mailing list:
> > > https://www.redhat.com/mailman/listinfo/freeipa-users
> > > Go to http://freeipa.org for more info on the project
> >
> > --
> > Manage your subscription for the Freeipa-users mailing list:
> > https://www.redhat.com/mailman/listinfo/freeipa-users
> > Go to http://freeipa.org for more info on the project
> >
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