Date: Mon, 22 Nov 2010 07:56:26 -0500 From: John Baldwin <jhb@freebsd.org> To: freebsd-current@freebsd.org Cc: Andriy Gapon <avg@freebsd.org>, Ivan Voras <ivoras@freebsd.org>, Jung-uk Kim <jkim@freebsd.org>, Garrett Cooper <gcooper@freebsd.org> Subject: Re: A big-ish machine, cannot boot Message-ID: <201011220756.26727.jhb@freebsd.org> In-Reply-To: <201011191320.59156.jkim@FreeBSD.org> References: <ic65q8$a76$1@dough.gmane.org> <AANLkTi=j3C3ccXPJOZpOnxuXVh5sCkx0cdmv-a7CxszJ@mail.gmail.com> <201011191320.59156.jkim@FreeBSD.org>
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On Friday, November 19, 2010 1:20:53 pm Jung-uk Kim wrote: > On Friday 19 November 2010 12:04 pm, Garrett Cooper wrote: > > On Fri, Nov 19, 2010 at 8:59 AM, Andriy Gapon <avg@freebsd.org>=20 > wrote: > > > on 19/11/2010 18:57 Ivan Voras said the following: > > >> On 19 November 2010 17:13, Gary Jennejohn=20 > <gljennjohn@googlemail.com> wrote: > > >>> On Fri, 19 Nov 2010 17:51:22 +0200 > > >>> > > >>> Andriy Gapon <avg@freebsd.org> wrote: > > >>>> on 19/11/2010 17:41 Ivan Voras said the following: > > >>>>> Fujitsu TX300 > > >>>> > > >>>> [Thunderbird 3 sometimes fails quoting while replying - blame > > >>>> it] > > >>>> > > >>>> Perhaps I am wrong, but isn't the "twirly" shown by the > > >>>> loader, still? Not sure if the kernel does that. > > >>> > > >>> Yup, that's the boot loader. =EF=BF=BDThe kernel spits out printfs. > > >> > > >> Good news, of sorts - I left while I went for dinner and > > >> apparently it did boot in the meantime. So it's not a complete > > >> hang, it just takes unexpectedly long (10+ minutes?) > > >> > > >> I'm currently running "make -j24 buildworld" and once it boots > > >> it looks very fast! > > > > > > You ought to determine a cause of the long boot, though. > > > No compromises or excuses! :-) > > > > A similar issue occurred with an HP box recently (in the last 3-4 > > months?). I'd check the archives for more details. >=20 > I bet these are "legacy free" machines, right? I recently noticed=20 > that recent Intel chipsets cause incredibly long delays when=20 > non-existent ISA ports are accessed, most notably AT keyboard ports. =20 > (My gut tells me it is going in and out of SMM repeatedly for=20 > nothing.) Back in the old days, when we had real ISA bus, it used to=20 > delay very short and fixed amount time. Those days, this behaviour=20 > was even (ab)used as a delay function where a real timer is not=20 > available yet. ;-) >=20 > Try getting rid of all unnecessary device drivers from your kernel=20 > configuration. Someone had some patches to the atkbd early probe to work around long delay= s=20 during the keyboard probe for this reason. =2D-=20 John Baldwin
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