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Date: Fri, 11 Jun 2010 10:00:34 +0200
From: Ulrich =?utf-8?B?U3DDtnJsZWlu?= <uqs@spoerlein.net>
To: Romain =?utf-8?B?VGFydGnDqHJl?= <romain@freebsd.org>
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	Ivan Voras <ivoras@freebsd.org>, freebsd-hackers@freebsd.org
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Cc: freebsd-hackers@freebsd.org, Ivan Voras <ivoras@freebsd.org>
Subject: Re: Proposal - increase SYSV SEMMNI and SEMMNS
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On Thu, 10.06.2010 at 15:26:52 +0200, Romain Tartière wrote:
> On Thu, Jun 10, 2010 at 01:35:47PM +0200, Ivan Voras wrote:
> > kern.ipc.semmni: 10 -> 50
> > kern.ipc.semmns: 60 -> 300
> 
> Looks like a good idea.
> 
> > This change is not as critical as before [...] but increasing the
> > defaults would be a convenience move, to save some
> > reconfiguration-and-reboot hassle when installing software.
> 
> In the same vein, and while they can be tuned without a reboot, some ports
> require to increase kern.ipc.shmmax and kern.ipc.shmall for them to work
> correctly (e.g. multimedia/totem).
> 
> Maybe all these 'convenience increases of IPC related defaults' can be
> done together?

Please just do it. We should ship with sensible defaults and not
require tinkering for these sorts of things. I'm not sure if these
defaults are already per-arch, but the embedded folks might want to
retain the low defaults?

Uli