dhcpd crashing

[Mirek Lauš]

We tried to disable failover but new coredump occured:

Aug  3 12:49:35 portax2 kernel: pid 76587 (dhcpd), uid 0: exited on
signal 11 (core dumped)

-m

On Tue, Aug 3, 2010 at 12:09 PM, Jiri Popelka <jpopelka at redhat.com> wrote:
>  On 08/03/2010 10:45 AM, Miroslav Lauš wrote:
>>
>> On Aug 3, 2010, at 10:29 AM, sthaug at nethelp.no wrote:
>>
>>>> we're running ISC DHCP 4.1.1 on FreeBSD 7.0-RELEASE.
>>>> Few days ago the dhcpd started to crash few times a day:
>>>>
>>>> Aug  3 03:36:42 portax2 kernel: pid 52983 (dhcpd), uid 0: exited on
>>>> signal 11 (core dumped)
>>>
>>> Are you using LDAP? I notice your dhcpd is built with LDAP libraries.
>>> It might be a good idea to try to run it without LDAP. And also to
>>> build it with debugging symbols to enable a sensible backtrace after
>>> a crash.
>>
>> Running without LDAP is not an option for us as the whole
>> network is configured from LDAP (mainly for dynamic subclass
>> provisioning).
>>
>> The issue first came up after we enabled failover for some subnets.
>> We try to build with debugging symbols to see what's happening.
>>
>>> For comparison, on my FreeBSD 7.3-STABLE box (without LDAP), dhcpd
>>> is only linked with two libraries:
>>>
>>> % ldd /usr/local/sbin/dhcpd
>>> /usr/local/sbin/dhcpd:
>>>       libcrypto.so.5 =>  /lib/libcrypto.so.5 (0x28118000)
>>>       libc.so.7 =>  /lib/libc.so.7 (0x28271000)
>>>
>>> For me (failover config, around 120k leases) ISC DHCP 4.1.1 is rock
>>> stable.
>>
>> We have about 100k leases. dhcpd complains sometimes at start:
>>
>> /var/db/dhcpd.leases line 2391515: semicolon expected.
>>  cltt
>>   ^
>> /var/db/dhcpd.leases line 2392364: semicolon expected.
>>  cltt
>>   ^
>> /var/db/dhcpd.leases line 2392381: semicolon expected.
>>  cltt
>>   ^
>
> This is another (already reported) bug.
> https://lists.isc.org/pipermail/dhcp-users/2010-June/011532.html
>>
>> But then it continues to start and works.
>>
>> Regards,
>> Miroslav
>
>