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Date:      Wed, 19 Jul 2006 10:46:18 +0100
From:      Dmitry Stefankov <5817@ostrov.net>
To:        acpi@FreeBSD.org
Subject:   Problem with ACPI shutdown code
Message-ID:  <44BDFF6A.7030506@ostrov.net>

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Dear colleagues.

I saw for some x-86 based computers (some notebooks, Intel server 
platforms) and for FreeBSD 5.x/6.x the following problem:

during reboot sequence the computer hangs forever after ACPI shutdown 
code executing and final reboot is not executed.

I found that the reset code doesn't work. But if ACPI shutdown code is 
be skipped then the computer is rebooted OK (if we have a kernel panic
then all works OK).

I suggest to add a small workaround to fix this problem. I attached the 
sample code for FreeBSD 6.1R code.

Please note also that Linux Fedora Core 5 has the same problem for this, 
hardware, but the Microsoft Windows XP and 2003 are rebooted OK.

All the best,
Dmitry Stefankov




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