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Date:      Wed, 22 Sep 2004 15:04:17 +0400
From:      Roman Kurakin <rik@cronyx.ru>
To:        Nate Lawson <nate@root.org>
Cc:        John Baldwin <jhb@FreeBSD.org>
Subject:   Re: mp_machdep.c (was Re: [Fwd: Re: Bug reports requested - acpi])
Message-ID:  <41515C31.3030102@cronyx.ru>
In-Reply-To: <4150607D.3020900@root.org>
References:  <41421D6A.8070805@cronyx.ru> <414E7581.2070505@root.org> <414F256B.1030304@cronyx.ru> <200409201652.24457.jhb@FreeBSD.org> <41505663.40407@cronyx.ru> <4150607D.3020900@root.org>

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Nate Lawson wrote:
[...]

> A quick "no" vote from me until this is really understood.  I think 
> the real problem is an interference between the pmap for the AP trampoline

> and the acpi wake code (sys/i386/acpica/acpi_wakeup.c).  The address 
> you gave (0x9f000) is right before the base address we use for the

This didn't help:
static void
acpi_alloc_wakeup_handler(void)
{
        void *wakeaddr;

        return;
...

So it looks like problem in other place. Probably some othe code affects.

rik

> wakeup code (0xa0000).  As I woke up this morning, I was wondering if 
> this could be the issue.  An easy way to test is to disable the call 
> to acpi_install_wakeup_handler() in sys/i386/acpica/acpi_machdep.c and 
> see if this alone fixes the problem.
>
> If I'm wrong, feel free to commit your patch.
>
> P.S. Spaces instead of tabs in your diff.
>
> -Nate






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