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Date: Tue, 12 Oct 2010 14:15:26 +0300
From: Andriy Gapon <avg@icyb.net.ua>
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To: Hans Petter Selasky <hselasky@c2i.net>
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Cc: freebsd-acpi@freebsd.org
Subject: Re: MacBookPro 5,1
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on 12/10/2010 13:09 Hans Petter Selasky said the following:
> Hi,
> 
> My MacBookPro 5,1 does not boot using -current because memory inside the ACPI 
> kernel module is used after free.
> 
> The following patch temporily mitigates the problem:
> 
> /usr/src/sys/dev/acpica/Osd/OsdMemory.c
> 
> void
> AcpiOsFree(void *Memory)
> {
> + if (cold == 0)
>     free(Memory, M_ACPICA);
> }
> 
> Is there any way to debug this from user-land?

I think that the best way is to get a backtrace at least or better a crashdump.

-- 
Andriy Gapon