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Re: [libvirt] [PATCH 10/21] Don't let parent of daemon exit until basic initialization is done



On Wed, Oct 28, 2009 at 03:22:38PM +0100, Guido G?nther wrote:
> Hi Daniel,
> On Fri, Oct 23, 2009 at 02:05:39PM +0100, Daniel P. Berrange wrote:
> > The daemonizing code lets the parent exit almost immediately. This
> > means that it may think it has successfully started even when
> > important failures occur like not being able to acquire the PID
> > file. It also means network sockets are not yet open.
> With this patch applied to 0.7.2 I'm seeing:
> 
> # libvirtd -d
> 15:20:22.457: error : main:2971 : Failed to fork as daemon: Success
> 
> about every second time I start the daemon. Any idea where this comes
> from?

No, but that sounds bad to me - something I'm not expecting must be
going on here. Definitely sounds like a race condition.


Daniel
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