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Re: [Condor-users] condor_master dying in 7.6.9
- Date: Sat, 18 Aug 2012 16:38:48 +0100
- From: Brian Candler <B.Candler@xxxxxxxxx>
- Subject: Re: [Condor-users] condor_master dying in 7.6.9
On Sat, Aug 18, 2012 at 04:26:51PM +0100, Roderick Johnstone wrote:
> I'm seeing my condor_master die on startup in 7.6.9 on one of my
> systems. I'm using the x86_64 rpms from the condor rhel6 repo on rhel6.3
> A fragment of the MasterLog file is given below. I note the WARNING
> message, but don't see a problem with the name configuration for the
> host thats giving this problem but I might have overlooked something. It
> does seem strange that it should think that localhost6 is related to an
> ipv4 address though.
What does your /etc/hosts show for localhost and localhost6? i.e. output
grep -i localhost /etc/hosts
And also for each of the interface addresses on your box,
grep x.x.x.x /etc/hosts
There appear to be two problems here:
1. Whatever IP address it has found, condor has done a reverse lookup to find
"localhost6" and then a forward lookup found something else.
7.6.9 is now paranoid about matching forward and reverse DNS, in case
you have configured access controls as *.yourdomain.com and a third
party decides to put foo.yourdomain.com in their reverse DNS.
2. Condor crashing out under this situation (clearly it should either
continue or terminate gracefully)
Running condor_master under strace (strace -f condor_master 2>strace.txt) or
gdb (gdb condor_master // run // bt) may show some more info.