linux-kernel - Re: [Bugme-new] [Bug 7495] New: Kernel periodically hangs.

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Date:	Sun, 12 Nov 2006 17:07:02 +0100
From:	Arjan van de Ven <arjan@...radead.org>
To:	Patrick McFarland <diablod3@...il.com>
Cc:	Adrian Bunk <bunk@...sta.de>, Andrew Morton <akpm@...l.org>,
	David Howells <dhowells@...hat.com>,
	Neil Brown <neilb@....unsw.edu.au>,
	"bugme-daemon@...nel-bugs.osdl.org" 
	<bugme-daemon@...zilla.kernel.org>, linux-kernel@...r.kernel.org,
	alex@...snet.ru, mingo@...hat.com
Subject: Re: [Bugme-new] [Bug 7495] New: Kernel periodically hangs.

On Sun, 2006-11-12 at 10:59 -0500, Patrick McFarland wrote:
> On Sunday 12 November 2006 10:21, Adrian Bunk wrote:
> > On Sun, Nov 12, 2006 at 03:16:38PM +0100, Arjan van de Ven wrote:
> > > > > We KNOW it can't work on a sizable amount of machines.  This is why
> > > > > it is a config option; you can enable it if YOUR machine is KNOWN to
> > > > > work, and you get some gains. But it's also understood that it often
> > > > > it won't work. So any sensible distro (since they have to aim for a
> > > > > wide audience) disables this option ...
> > > >
> > > > Nowadays, many distributions only ship CONFIG_SMP=y kernels...
> > >
> > > that's a calculated risk on their side (and they know that); they're
> > > balancing not functioning on a set of machines off against needing more
> > > kernels.
> >
> > This might soon affect the majority of Linux users, so it's a case that
> > has to be handled...
> 
> I actually agree here. Linux needs to be easier for people to use, not harder. 
> Isn't there a way for bootloaders or the kernel early on figure out if the 
> machine supports SMP, and if it doesnt, load a uniproc kernel instead?

this is what OS installers have been doing for a decade or so.

-- 
if you want to mail me at work (you don't), use arjan (at) linux.intel.com
Test the interaction between Linux and your BIOS via http://www.linuxfirmwarekit.org

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