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Date: Sun, 16 Oct 2005 20:50:44 -0700
From: Evgeny Piven <pegas@pegas.no-ip.org>
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To: Mark Kirkwood <markir@paradise.net.nz>
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X-Mailman-Approved-At: Mon, 17 Oct 2005 12:23:42 +0000
Cc: freebsd-current@freebsd.org
Subject: Re: Reboot hang in 6.0
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Mark Kirkwood wrote:

> Evgeny Piven wrote:
>
>> When trying to reboot my newly updated 6.0-RC1 machine (updated from
>> 5.4-RELEASE), my machine hangs during the reboot.
>> This issue has apparently come up before, but never really had a clean
>> fix (correct me if I'm wrong).
>>  From what I've read, the quick fix for this would be turning on USB
>> support in BIOS, though this didn't help in my case.
>> Basically the hang happens right after the "Uptime: " message is
>> displayed and then the machine just sits there and does nothing. From
>> what I've read, this might have something to do with ACPI support.
>
> Looks like you have run into a new variant of the issue :-)
> The previous stuff seems to have been tied to USB and (in my case) SMP.
> Does disabling (or enabling) ACPI make any difference?
> In any case, it might be worth setting 'hw.pci.enable_io_modes=0' in 
> /boot/loader.conf and seeing if it makes any difference.

All I can say for now is that hw.pci.enable_io_modes=0 did not help.

Best regards,
Evgeny Piven