SNMPD segfault with CentOS5 Xen kernel

[Richard Chan]

An earlier posting on the list solved the 'error on subcontainer' part 
for me - Xen network scripts create duplicate IPv6 addresses.
Reassigning one of the addresses will do the trick. I did not see the 
segfault part though.

Philipp Jäggi wrote:
>
> Dear mailinglist members
>
> I like to monitor my CentOS 5 Dell 1950 Server over 
> snmp/dsm_sa_snmp32. When I do now a snmpwalk, my snmpd crashed with 
> segfault. After testing a while, I found out that the same problem 
> exists with older fedora core 6 xen kernel. With the lastest fedora 
> xen kernel, this bug is not any more existant. So, I can't wait until 
> Redhat, or CentOS will reach this kernel version that is actual on 
> FC6. So does anybody have the same problem and hopefully, does 
> somebody have a workarround?
>
> Here the log entry in /var/log/messages:
>
> May  3 17:13:20 wtest01 snmpd[12455]: error on subcontainer 'ia_addr' 
> insert (-1)
> May  3 17:13:20 wtest01 snmpd[12455]: error on subcontainer '' insert 
> (-1)
> May  3 17:13:50 wtest01 snmpd[12455]: error on subcontainer 'ia_addr' 
> insert (-1)
> May  3 17:13:50 wtest01 snmpd[12455]: error on subcontainer '' insert 
> (-1)
> May  3 17:14:20 wtest01 snmpd[12455]: error on subcontainer 'ia_addr' 
> insert (-1)
> May  3 17:14:20 wtest01 snmpd[12455]: error on subcontainer '' insert 
> (-1)
> May  3 17:14:50 wtest01 snmpd[12455]: error on subcontainer 'ia_addr' 
> insert (-1)
> May  3 17:14:50 wtest01 snmpd[12455]: error on subcontainer '' insert 
> (-1)
> May  3 17:15:20 wtest01 snmpd[12455]: error on subcontainer 'ia_addr' 
> insert (-1)
> May  3 17:15:20 wtest01 snmpd[12455]: error on subcontainer '' insert 
> (-1)
> May  3 17:15:22 wtest01 snmpd[12455]: Connection from UDP: 
> [127.0.0.1]:32770
> May  3 17:15:22 wtest01 snmpd[12455]: Received SNMP packet(s) from 
> UDP: [127.0.0.1]:32770
> May  3 17:15:22 wtest01 snmpd[12455]: Connection from UDP: 
> [127.0.0.1]:32770
> May  3 17:15:22 wtest01 last message repeated 586 times
> May  3 17:15:22 wtest01 snmpd[12455]: ipSystemStatsTable node 
> ipSystemStatsOutFragOKs not implemented: skipping
> May  3 17:15:22 wtest01 snmpd[12455]: ipSystemStatsTable node 
> ipSystemStatsOutFragOKs not implemented: skipping
> May  3 17:15:22 wtest01 snmpd[12455]: Connection from UDP: 
> [127.0.0.1]:32770
> May  3 17:15:22 wtest01 last message repeated 119 times
> May  3 17:15:22 wtest01 kernel: snmpd[12455]: segfault at 
> 000055756797d8ac rip 00002aaaab6cdc56 rsp 00007fffe59eace0 error 6
>
>
> Tnks a lot for any hint or help
>
>
> Best regards
>
> Philipp
>
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