Re: [autofs] Autofs doesn't look at second LDAP server

[Ian Kent]

On Mon, 2008-07-21 at 15:18 +0800, Coe, Colin C. (Unix Engineer) wrote:
> It's not predictable.  But each machine that has failed has had aether as 
> it's primary LDAP server rather than aer.
>  
> We can go weeks without seeing the problem and then have several machines 
> effected within a few days.
>  
> We usually only see one machine fail a day but we only have a handful of EL5 
> machines (EL5 is affected only that I can see).

>From the gdb trace it looks like the lookup context is getting clobbered
but I can't see any way that can happen.

But I do see that I don't have any locking on the servers list which I'm
still trying to understand how I could have possibly done. That's really
dumb.

So maybe the servers list is becoming corrupt sometime before the HUP
signal. I can sent a patch to add that locking if your willing test it.

>  
> CC
> 
> ________________________________
> 
> From: Ian Kent [EMAIL PROTECTED]
> Sent: Mon 7/21/2008 12:30 PM
> To: Coe, Colin C. (Unix Engineer)
> Cc: autofs@linux.kernel.org
> Subject: Re: [autofs] Autofs doesn't look at second LDAP server
> 
> 
> 
> 
> On Wed, 2008-07-16 at 09:20 +0800, Coe, Colin C. (Unix Engineer) wrote:
> > Hi all
> >
> > I've noticed that, after a period of stability, autofs is dumping core
> > again.
> >
> > The common thread is the time the core dumping happens, 4AM (give or
> > take a few minutes) which is when our 'cron daily' process runs.  This
> > 'cron daily' lives on an NFS mount that is in the auto_global map
> > ('/nfs/appl server:/vol/oldserver_appl').
> 
> Are you able to duplicate this?
> IOW, does it happen predicatably?
> 
> Ian
> 
> 
> 
> 
> 
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