From: Dave Jones <davej@redhat.com>
To: Pavel Machek <pavel@ucw.cz>
Cc: Michael Ellerman <michael@ellerman.id.au>,
"Darrick J. Wong" <djwong@us.ibm.com>,
linux-kernel@vger.kernel.org, Chris McDermott <lcm@us.ibm.com>
Subject: Re: [PATCH] leave APIC code inactive by default on i386
Date: Mon, 6 Mar 2006 12:17:47 -0500 [thread overview]
Message-ID: <20060306171747.GN21445@redhat.com> (raw)
In-Reply-To: <20060306125018.GA1673@elf.ucw.cz>
On Mon, Mar 06, 2006 at 01:50:18PM +0100, Pavel Machek wrote:
> > The number of systems that actually *need* APIC enabled are in the
> > vast (though growing) minority, so it's unlikely that most newbies
> > will hit this. The problem is also the inverse of what you describe.
> > Typically the distros have DMI lists of machines that *need* APIC
> > to make it enabled by default so everything 'just works'.
>
> Well, blacklisting "new" machines is a problem -- their number
> grows. Would not it be better to blacklist machines broken by APIC
> ("old" ones, presumably)?
It would. Though some new machines also falsely advertise it as
working aparently. I heard a report of a thinkpad going boom last week.
> Is adding "noapic nolapic" to default command line a big problem?
For end-users, yes. People want things to 'just work', not have
to find arcane commands to type in to make things work.
Dave
--
http://www.codemonkey.org.uk
next prev parent reply other threads:[~2006-03-06 17:18 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-20 1:20 [PATCH] leave APIC code inactive by default on i386 Darrick J. Wong
2006-01-20 14:42 ` Jan Engelhardt
2006-03-01 3:57 ` Michael Ellerman
2006-03-01 4:33 ` Dave Jones
2006-03-01 5:10 ` Michael Ellerman
2006-03-01 13:38 ` Dave Jones
2006-03-01 13:52 ` Matthew Garrett
2006-03-01 6:36 ` Zwane Mwaikambo
2006-03-01 13:39 ` Dave Jones
2006-03-01 21:29 ` Darrick J. Wong
2006-03-01 22:14 ` Dave Jones
2006-03-01 22:47 ` Darrick J. Wong
2006-03-01 22:51 ` Dave Jones
2006-03-01 23:29 ` Darrick J. Wong
2006-03-06 12:50 ` Pavel Machek
2006-03-06 17:17 ` Dave Jones [this message]
2006-03-06 17:41 ` Pavel Machek
2006-03-06 17:52 ` Dave Jones
2006-03-06 17:58 ` Pavel Machek
2006-03-06 18:17 ` Dave Jones
2006-03-06 19:05 ` Darrick J. Wong
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