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Date:      Tue, 13 Jun 2017 15:06:43 +0300
From:      Konstantin Belousov <kostikbel@gmail.com>
To:        Gleb Smirnoff <glebius@FreeBSD.org>
Cc:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   Re: svn commit: r319874 - head/sys/kern
Message-ID:  <20170613120643.GX2088@kib.kiev.ua>
In-Reply-To: <20170612234356.GD50023@FreeBSD.org>
References:  <201706122111.v5CLBBUT092606@repo.freebsd.org> <20170612234356.GD50023@FreeBSD.org>

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On Mon, Jun 12, 2017 at 04:43:56PM -0700, Gleb Smirnoff wrote:
> On Mon, Jun 12, 2017 at 09:11:11PM +0000, Konstantin Belousov wrote:
> K> Author: kib
> K> Date: Mon Jun 12 21:11:11 2017
> K> New Revision: 319874
> K> URL: https://svnweb.freebsd.org/changeset/base/319874
> K> 
> K> Log:
> K>   Print unimplemented syscall number to the ctty on SIGSYS, if enabled
> K>   by the knob kern.lognosys.
> 
> Why is it off by default?
In some (non-default) situation it may cause lot of ctty output.
I made the knob tunable to allow it to be set very early (init)
if needed.



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