Re: sockmgr 1005a1080: unexpected POLL timeout

2013-06-28 Thread Mike Hoskins (michoski)
-Original Message-

From: Dennis Clarke dcla...@blastwave.org
Date: Friday, June 28, 2013 11:43 AM
To: bind-users@lists.isc.org bind-users@lists.isc.org
Subject: sockmgr 1005a1080: unexpected POLL timeout


I have a recent build of BIND 9.9.3-P1 and after bringing up the service
on a 
Solaris 10 server I begin to see many log entries like so :

28-Jun-2013 15:41:17.636 sockmgr 1005a1080: unexpected POLL timeout

I don't know what this is and am mildly concerned.  Is this evidence of a
config
problem or a compile problem or ?  Really I have not seen this before and
there
are roughly 5000 such entries in my log thus far today.

Dennis

just as a data point i setup a couple new 9.9.3-P1 boxes last night that
get around 30,000 qps combined and with rolling logs the last million
lines or so don't show any trace of POLL on centos 6.4 with bind
compiled from latest isc.org src.  the only option i have is enable-ssl.

not much help i know, but it does seem solaris/compile specific.  maybe
something like this can help:

http://comp.protocols.dns.bind.narkive.com/fijjEh47/workaround-solaris-s-ke
rnel-bug

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Re: sockmgr 1005a1080: unexpected POLL timeout

2013-06-28 Thread Dennis Clarke

 I have a recent build of BIND 9.9.3-P1 and after bringing up the service
 on a 
 Solaris 10 server I begin to see many log entries like so :
 
 28-Jun-2013 15:41:17.636 sockmgr 1005a1080: unexpected POLL timeout
 
 I don't know what this is and am mildly concerned.  Is this evidence 
 of a
 config
 problem or a compile problem or ?  Really I have not seen this before 
 and
 there
 are roughly 5000 such entries in my log thus far today.
 
 Dennis
 
 just as a data point i setup a couple new 9.9.3-P1 boxes last night that
 get around 30,000 qps combined and with rolling logs the last million
 lines or so don't show any trace of POLL on centos 6.4 with bind
 compiled from latest isc.org src.  the only option i have is enable-ssl.
 
 not much help i know, but it does seem solaris/compile specific.  maybe
 something like this can help:
 
 http://comp.protocols.dns.bind.narkive.com/fijjEh47/workaround-solaris-s-ke
 rnel-bug
 

I was looking at that and thinking that my problems on Solaris 10 should not
be related to a kernel bug from dark history on Solaris 8.  This problem may
be related to this : 

STD_CDEFINES=-D_TS_ERRNO -D_POSIX_PTHREAD_SEMANTICS -D_LARGEFILE64_SOURCE 
-DDIG_SIGCHASE=1 -DISC_SOCKET_USE_POLLWATCH=1

I think, and this is a guess, the issue is in ISC_SOCKET_USE_POLLWATCH.

I will do a rebuild without that defined and see what happens.  Nothing beats 
trial and
error :-\

Dennis 






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