Date: Thu, 10 May 2007 10:56:24 -0400 From: John Baldwin <jhb@freebsd.org> To: freebsd-acpi@freebsd.org Subject: Re: Clear Abnormal Termination Bit Message-ID: <200705101056.24872.jhb@freebsd.org> In-Reply-To: <200606151237.07904.mistry.7@osu.edu> References: <200606151237.07904.mistry.7@osu.edu>
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On Thursday 15 June 2006 12:36:58 pm Anish Mistry wrote: > I just saw an email on the Linux ACPI list someone posted they needed > to clear the abnormal termination bit on some motherboards before > suspending so that the BIOS would correctly hand-off back to the OS. > > I'm not sure if we're doing this already, but the equivilent would be > to put the following before going into S3: > AcpiHwRegisterWrite (ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1_STATUS, > 0x800); I looked at this again today, and it was actually fixed in ACPICA by preserving the state of certain reserved bits. 7.0 has the updated ACPICA (20060623 or later). -- John Baldwin
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