Quoting Joshua Randall (joshua.rand...@sanger.ac.uk):
> Papp/Dan,
> 
> >> Anyone run into this before?  I see a few lxc/inotify problem reports,
> >> but nothing that seems related.
> Yes, we saw exactly this problem a couple of weeks ago on our Ubuntu 12.04.1 
> machine, but have not yet had a chance to track it down.  We've confirmed it 
> is not an issue in older or newer kernels -- the only thing we've confirmed 
> it on is the kernel shipped with Ubuntu 12.04.1:
> 
> > $ uname -srv
> > Linux 3.2.0-36-generic #57-Ubuntu SMP Tue Jan 8 21:44:52 UTC 2013
> 
> It appears that this kernel is incrementing the user_watches counter when 
> inotify watches are opened, but forgets to decrement the counter when they 
> are closed. We haven't reported it yet as we wanted to confirm whether it was 
> an issue with Kernel 3.2.0 in general or with the Ubuntu-specific build of 
> the kernel. 

Thanks - I think I've heard another similar report, but I hadnt' heard a
kernel version on that one.  Good to know.

> In any case, it does not appear to be LXC specific as it occurs both on the 
> host and within containers. 

thanks,

-serge

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