Re: keepalived segfaults on Centos 6.5

Hi,

Fix for this issue has been merged upstream.

https://github.com/acassen/keepalived/commit/8ad2db57d3c76a2c90f9c13aaf8e850b29604a67

Regards,

Frank

On 11/26/2014 03:41 PM, PENZ Robert wrote:
> Hi!
>
> Thx, that works.
>
> Regards,
> Robert
>
>
> -----Ursprüngliche Nachricht-----
> Von: Frank Baalbergen [mailto:[email protected]]
> Gesendet: Donnerstag, 20. November 2014 14:38
> An: PENZ Robert
> Cc: [email protected]
> Betreff: Re: AW: [Keepalived-devel] keepalived segfaults on Centos 6.5
>
> Hi,
>
> What happens if you move use_vmac and vmac_xmit_base under
> virtual_router_id? For me that solves the issue.
>
> Regards,
>
> Frank
>
> On 11/20/2014 01:44 PM, PENZ Robert wrote:
>> Hi
>>
>> the config is really simple, the vmac stuff is not activated in this config.
>>
>> # cat /etc/keepalived/keepalived.conf
>> ! Configuration File for keepalived
>>
>> global_defs {
>>      notification_email {
>>        [email protected]
>>      }
>>      notification_email_from [email protected]
>>      smtp_server smtp.xxxxx
>>      smtp_connect_timeout 60
>>      router_id LVS_TSNLB
>> }
>>
>> vrrp_script chk_haproxy {
>>       script "killall -0 haproxy"  # widely used idiom
>>       interval 1                   # check every 2 seconds
>> }
>>
>>
>>
>> vrrp_instance VI_1 {
>>       state MASTER
>> !    use_vmac
>> !    vmac_xmit_base
>>       garp_master_refresh 15
>>       interface eth0
>>       virtual_router_id 100
>>       priority 100
>>       advert_int 1
>>       authentication {
>>           auth_type AH
>>           auth_pass XXXXXXXXXXXXXX
>>       }
>>       virtual_ipaddress {
>>           xxx.xxx.xxx.152
>>           xxx.xxx.xxx.153
>>           xxx.xxx.xxx.154
>>           xxx.xxx.xxx.155
>>           xxx.xxx.xxx.156
>>       }
>>
>>       track_script {
>>           chk_haproxy weight 2    # +2 if process is present
>>       }
>> !    notify_master /usr/local/bin/vmac_tweak.sh vrrp.100
>> }
>>
>> Regards,
>> Robert
>>
>>
>> -----Ursprüngliche Nachricht-----
>> Von: Frank Baalbergen [mailto:[email protected]]
>> Gesendet: Donnerstag, 20. November 2014 13:17
>> An: PENZ Robert
>> Cc: [email protected]
>> Betreff: Re: [Keepalived-devel] keepalived segfaults on Centos 6.5
>>
>> Hi Robert,
>>
>> When i add use_vmac and vmac_xmit_base to a test keepalived.conf i see
>> in the log:
>>
>> Nov 20 13:10:56 logging Keepalived_vrrp[10671]: vmac: Success creating
>> VMAC interface vrrp.10 for vrrp_instance test
>>
>> I use Debian Wheezy and keepalived 1:1.2.13-1~bpo70+1, so maybe it's a
>> CentOs issue, can you share your keepalived.conf so i can try it on my
>> Debian machine?
>>
>> Regards,
>>
>> Frank
>>
>> On 11/20/2014 12:39 PM, PENZ Robert wrote:
>>> Hi,
>>>
>>> We've a problem with keepalived-1.2.13-4.1.el6.x86_64 on Centos 6.5. All works until I try the vmac feature. I've loaded the kernel module with modprobe macvlan and added just following to the config:
>>>
>>> use_vmac
>>> vmac_xmit_base
>>>
>>>
>>> and I get segfaults in dmesg
>>> keepalived[19170]: segfault at 1c ip 000000000041c378 sp 00007fffeb5c20d0 error 4 in keepalived[400000+49000]
>>> keepalived[19171]: segfault at 1c ip 000000000041c378 sp 00007fffeb5c20d0 error 4 in keepalived[400000+49000]
>>> __ratelimit: 384 callbacks suppressed
>>> keepalived[20393]: segfault at 1c ip 000000000041c378 sp 00007fffcf172c20 error 4 in keepalived[400000+49000]
>>> keepalived[20394]: segfault at 1c ip 000000000041c378 sp 00007fffcf172bb0 error 4 in keepalived[400000+49000]
>>>
>>>
>>> if I remove the 2 lines everything works again. In /var/log/messages I see following:
>>>
>>> Nov 19 16:56:56 xxxxxx Keepalived_vrrp[25698]: Opening file '/etc/keepalived/keepalived.conf'.
>>> Nov 19 16:56:56 xxxxxx rsyslogd-2177: imuxsock lost 396 messages from pid 20390 due to rate-limiting
>>> Nov 19 16:56:56 xxxxxx Keepalived[20390]: VRRP child process(25698) died: Respawning
>>> Nov 19 16:56:56 xxxxxx Keepalived[20390]: Starting VRRP child process, pid=25699
>>> Nov 19 16:56:56 xxxxxx Keepalived_vrrp[25699]: Netlink reflector reports IP 10.xxx.xxx.xxx added
>>> Nov 19 16:56:56 xxxxxx Keepalived_vrrp[25699]: Netlink reflector reports IP fe80::250:xxxx:xxxx:xxxx added
>>> Nov 19 16:56:56 xxxxxx Keepalived_vrrp[25699]: Registering Kernel netlink reflector
>>> Nov 19 16:56:56 xxxxxx Keepalived_vrrp[25699]: Registering Kernel netlink command channel
>>> Nov 19 16:56:56 xxxxxx Keepalived_vrrp[25699]: Registering gratuitous ARP shared channel
>>> Nov 19 16:56:56 xxxxxx Keepalived_vrrp[25699]: Opening file '/etc/keepalived/keepalived.conf'.
>>> Nov 19 16:56:56 xxxxxx Keepalived[20390]: VRRP child process(25699) died: Respawning
>>> Nov 19 16:56:56 xxxxxx Keepalived[20390]: Starting VRRP child process, pid=25700
>>> Nov 19 16:56:56 xxxxxx Keepalived_vrrp[25700]: Netlink reflector reports IP 10.xxx.xxx.xxx added
>>> Nov 19 16:56:56 xxxxxx Keepalived_vrrp[25700]: Netlink reflector reports IP fe80::250:xxxx:xxxx:xxxx added
>>> Nov 19 16:56:56 xxxxxx Keepalived_vrrp[25700]: Registering Kernel netlink reflector
>>> Nov 19 16:56:56 xxxxxx Keepalived_vrrp[25700]: Registering Kernel netlink command channel
>>> Nov 19 16:56:56 xxxxxx Keepalived_vrrp[25700]: Registering gratuitous ARP shared channel
>>> Nov 19 16:56:56 xxxxxx Keepalived_vrrp[25700]: Opening file '/etc/keepalived/keepalived.conf'.
>>> Nov 19 16:56:56 xxxxxx Keepalived[20390]: VRRP child process(25700) died: Respawning
>>> Nov 19 16:56:56 xxxxxx Keepalived[20390]: Starting VRRP child process, pid=25701
>>> Nov 19 16:56:56 xxxxxx Keepalived_vrrp[25701]: Netlink reflector reports IP 10.xxx.xxx.xxx added
>>> Nov 19 16:56:56 xxxxxx Keepalived_vrrp[25701]: Netlink reflector reports IP fe80::250:xxxx:xxxx:xxxx added
>>> Nov 19 16:56:56 xxxxxx Keepalived_vrrp[25701]: Registering Kernel netlink reflector
>>> Nov 19 16:56:56 xxxxxx Keepalived_vrrp[25701]: Registering Kernel netlink command channel
>>> Nov 19 16:56:56 xxxxxx Keepalived_vrrp[25701]: Registering gratuitous ARP shared channel
>>> Nov 19 16:56:56 xxxxxx Keepalived_vrrp[25701]: Opening file '/etc/keepalived/keepalived.conf'.
>>> Nov 19 16:56:56 xxxxxx Keepalived[20390]: VRRP child process(25701) died: Respawning
>>> Nov 19 16:56:56 xxxxxx Keepalived[20390]: Starting VRRP child process, pid=25702
>>>
>>> Any ideas?
>>>
>>> Regards,
>>> Robert
>>>
>>>
>>>
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>>
>>
>
>


-- 
Frank Baalbergen - System / Network Engineer
T +31 (0)10 2760434 | [email protected] | www.mendix.com

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