Date: Tue, 13 Mar 2007 07:20:49 +1300 From: Andrew Thompson <thompsa@freebsd.org> To: Yar Tikhiy <yar@FreeBSD.org> Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sbin/ifconfig ifconfig.c Message-ID: <20070312182049.GB80764@heff.fud.org.nz> In-Reply-To: <200703121308.l2CD8urI098047@repoman.freebsd.org> References: <200703121308.l2CD8urI098047@repoman.freebsd.org>
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On Mon, Mar 12, 2007 at 01:08:56PM +0000, Yar Tikhiy wrote: > yar 2007-03-12 13:08:56 UTC > > FreeBSD src repository > > Modified files: > sbin/ifconfig ifconfig.c > Log: > Attempt to load the kernel module only if we are going to create a > new interface. In other cases loading the module is unwanted and > can lead to ill side effects. One such effect found is as follows: > "kldunload if_foo" tells the module to kill all its interfaces, > which results in messages sent to devd; the module unloads. Then > devd starts processing the messages, which ends up in a etc script > running ifconfig fooX, which reloads the module. Great catch! I had been wondering why it had been necessary to unload networking modules twice lately. Andrew
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