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Re: kern/43220: NETSD 5.1_RC1 doesn't boot with ACPI enabled

The following reply was made to PR kern/43220; it has been noted by GNATS.

From: Stefan =?iso-8859-1?Q?Kr=FCger?= <>
Subject: Re: kern/43220: NETSD 5.1_RC1 doesn't boot with ACPI enabled
Date: Sun, 16 May 2010 12:34:31 +0200

 Ok, seems like my Mainboard (Asus M3A78-EM, BIOS Version 2003) is to blame
 and FreeBSD has similar issues with it (although FreeBSD 8 boots fine, even
 when the BIOS options are set to "Auto", see below)
 this is the FreeBSD PR that helped me booting NetBSD 5.1_RC1 amd64:
 amd64/127484: [timecounters] Drift problem with FreeBSD 7.0 and 7.1
 From:  Torbjorn Granlund <tg at swox dot com>
 Date:  Sun, 12 Oct 2008 19:40:24 +0200
 My ASUS board didn't have any such option, but it had some
 "Overclocking" option which was set to "Auto". I changed this to
 "Standard". The clock now runs about 20 times closer to reality,
 which is enough for ntpd to work.
 You can find said BIOS settings via
 Advanced -> JumperFree Configuration -> CPU/GPU/PCIE Overclocking
 Set them to "Manual" and NetBSD boots fine with ACPI on
 I hope this helps anyone with similar issues

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