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Date: Sat, 1 Oct 2005 18:03:46 -0500 (EST)
From: "Michael L. Squires" <mikes@siralan.org>
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Subject: Re: system hangs on boot up
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I'm having a possibly similar problem with a Toshiba 8100.

Symptoms are that trying to boot from a kernel from the past few days 
locks up after atapci0 is called; the kernel I compiled in May 2005 boots 
OK.  Changing the "hw.pci.enable_io_modes=0" doesn't fix the problem; 
however, replacing the acpi.ko module in /boot/kernel with the one from 
the May 2005 kernel does allow the system to boot.

Since this appears to at least be ACPI related I'm going to run the usual 
ACPI diagnostics and make them available.

Mike Squires