Date: Sat, 10 Feb 2007 13:48:51 -0600 From: Joe Vender <jvender@owensboro.net> To: Michael Nottebrock <lofi@freebsd.org>, freebsd-questions@freebsd.org Subject: Re: Fwd: Re: pppd crashes, was: kde-freebsd Message-ID: <200702101348.53285.jvender@owensboro.net> In-Reply-To: <200702100859.33662.lofi@freebsd.org> References: <200702100859.33662.lofi@freebsd.org>
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On Saturday 10 February 2007 01:59, Michael Nottebrock wrote: > In case you didn't get cc'd on this, I think this is actually worthwhile > trying, it might just get rid of the hanging/rebooting. > > What Hajime means is the debug.mpsafenet loader tunable. > > You can set this by creating the file /boot/loader.conf.local and adding a > line > > debug.mpsafenet=0 > > > Cheers, Well, I've set the tunable as suggested, configured KPPP and am using it now. So far, no problem, but I haven't been online for long either, so time will tell if thats the problem. I came across this which states that if you are using pppd, then you need to set the tunable to 0, if I read it correctly. http://unix.derkeiler.com/Mailing-Lists/FreeBSD/current/2004-08/2745.html This all makes me wonder, what is the advantage to having the debug.mpsafenet set to 1 as default, anyway, if the computer only has a single processor? Shouldn't the installer be smart enough to detect if the computer is single or multiprocessor, and set the tunable accordingly, at least until ALL of the network features are made MPSAFE so that it is no longer an issue? And, when installing FreeBSD 6.2, the kernel that booted from the install CD was GENERIC, but after the installation, the bootup showed that the kernel being used was SMP. Being that my computer is a single processor, shouldn't it default to the GENERIC kernel after installation, unless I request otherwise? Thanks, Joe
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