[389-users] Lots of abandoned connections from sssd

[Rich Megginson]

On 11/12/2014 12:26 PM, Orion Poplawski wrote:
> On 11/05/2014 08:16 PM, Orion Poplawski wrote:
>> Just recently we're seeing some very strange behavior on our system.
>> Periodically we will see a sssd process start to have an ever greater number
>> of connections to our ldap server until the server runs out of file
>> descriptors.  This seems to be happening with a particular user, who is having
>> trouble logging in at times, particularly with email (dovecot).  We see
>> entries like the following on our sever:
>>
>> [05/Nov/2014:17:14:51 -0700] conn=1786153 op=0 EXT
>> oid="1.3.6.1.4.1.1466.20037" name="startTLS"
>> [05/Nov/2014:17:14:51 -0700] conn=1786153 op=0 RESULT err=0 tag=120 nentries=0
>> etime=0
>> [05/Nov/2014:17:14:51 -0700] conn=1786153 SSL 128-bit AES
>> [05/Nov/2014:17:14:51 -0700] conn=1786153 op=1 BIND
>> dn="uid=user,ou=People,dc=domain,dc=com" method=128 version=3
>> [05/Nov/2014:17:14:56 -0700] conn=1786153 op=2 ABANDON targetop=NOTFOUND msgid=2
>> [05/Nov/2014:17:14:56 -0700] conn=1786153 op=3 UNBIND
>> [05/Nov/2014:17:14:56 -0700] conn=1786153 op=3 fd=1022 closed - U1
>>
>> I don't yet have debug info from the sssd process.  Any ideas from the above?
> This turns out to have been the bind hang bug introduced with the first fix
> for https://fedorahosted.org/389/ticket/47748.  It is present in
> 389-ds-base-1.2.11.32-1.el6 from the nhosoi/389-ds-base-epel6 COPR.  It
> appears to be fixed on the 389-ds-base-1.2.11 branch, so a new build with the
> fix would be greatly appreciated.  Thanks!

New build where?  From where are you getting your 389-ds-base package?

>
> I may file a bug against sssd to handle hung connections better too.
>