Date: Thu, 18 Jan 2001 10:24:09 -0800 (PST) From: John Baldwin <jhb@FreeBSD.org> To: Soren Schmidt <sos@freebsd.dk> Cc: rjesup@wgate.com, arch@FreeBSD.org, current@FreeBSD.org, (Alfred Perlstein) <bright@wintelcom.net>, (Peter Wemm) <peter@netplex.com.au> Subject: Re: HEADS-UP: await/asleep removal imminent Message-ID: <XFMail.010118102409.jhb@FreeBSD.org> In-Reply-To: <200101181408.PAA00170@freebsd.dk>
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On 18-Jan-01 Soren Schmidt wrote:
> It seems Peter Wemm wrote:
>> > I'll try adding the forward_signal stuff see if that helps...
>>
>> But John committed that! it should be in the fresh checkout you tried
>> above.... Of course, that is assuming you cvsup'ed very recently..
>
> Sorry that was not what I meant, I meant this patch to machdep.c
> and so far it looks as thats the culprit it hasn't locked up yet
> at least, but its not finished a world yet....
>
> Index: machdep.c
> ===================================================================
> RCS file: /home/ncvs/src/sys/i386/i386/machdep.c,v
> retrieving revision 1.429
> diff -u -r1.429 machdep.c
> --- machdep.c 2001/01/16 09:10:33 1.429
> +++ machdep.c 2001/01/18 13:44:48
> @@ -1005,6 +1005,10 @@
> void
> cpu_idle(void)
> {
> +#ifdef SMP
> + /* first candidate for an interrupt */
> + lapic.tpr = 0;
> +#endif
> #ifndef SMP
> if (cpu_idle_hlt) {
> disable_intr();
Hmmmmmmmmmmmmmmmmmm. Since cpl is dead, this is supposed to be a nop, since
the tpr is always at 0 now (AFAIK). I'll look at this today. Weird. Peter?
> -Søren
--
John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/
PGP Key: http://www.baldwin.cx/~john/pgpkey.asc
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