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Date:      Tue, 17 Mar 2009 09:56:08 +0000
From:      Bob Bishop <rb@gid.co.uk>
To:        Ivan Voras <ivoras@freebsd.org>
Cc:        freebsd-current@freebsd.org
Subject:   Re: A trio of problems
Message-ID:  <D9950E0E-453C-464F-8C94-E5073AA99EE7@gid.co.uk>
In-Reply-To: <gpmnba$3na$1@ger.gmane.org>
References:  <gpmnba$3na$1@ger.gmane.org>

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Hi,

On 16 Mar 2009, at 23:28, Ivan Voras wrote:

> 1. I'm trying to start 1000 jails for demonstration purposes (a
> presentation), but I can reliably panic the kernel when somewhere
> between 400 and 600 jails are started. [etc]

On 17 Mar 2009, at 01:37, Ivan Voras wrote:

> ZFS doesn't influence it - the same problem happens without ZFS on the
> system (though I can create a few hundred more jails without ZFS  
> before
> the kernel panics...).

In which case, given how memory-hungry ZFS is, it looks like your  
problem is with exhausting some memory resource.

--
Bob Bishop
rb@gid.co.uk







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