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Date: Tue, 28 Oct 2003 12:33:28 -0700 (MST)
From: Scott Long <scottl@freebsd.org>
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To: Bernhard Valenti <bernhard.valenti@gmx.net>
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cc: freebsd-current@freebsd.org
Subject: Re: kernel hangs with SMP/Hyperthreading
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Hi,

There is a discussion going on about strange interactions between the boot
menu and SMP that sounds very much like what you describe.  FOr a
workaround, at the boot menu, select option 6, then type 'boot' at the
prompt.

Scott

On Tue, 28 Oct 2003, Bernhard Valenti wrote:

> hi,
>
> i built a kernel with APIC_IO and SMP for my p4 with hyperthreading.
> when i try to boot the kernel it hangs during boot at:
>
> APIC_IO: Testing 8254 interrupt delivery
>
> doing
>
> while (read_intr_count(8) < 6)
> 	;   /* nothing */
>
> (sys/i386/isa/clock.c:1030)
>
> read_intr_count(8) returns 0 forever...
>
> i dont know how to provide a dmesg as i cant get to a shell. this
> computer is a laptop with sis 645dx chipset.
>
> anyone have a fix for that?
>
> regards,
> bernhard
>
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