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.
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