Date: Thu, 29 Mar 2012 17:43:42 +0200 From: Hans Petter Selasky <hselasky@c2i.net> To: freebsd-current@freebsd.org Subject: Boot-issue: Overlapping I/O regions and display adapters in -current Message-ID: <201203291743.42861.hselasky@c2i.net>
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Hi, It appears that overlapping I/O regions can trigger a bug on display adapters, which I've tried to fix here: http://svn.freebsd.org/changeset/base/233662 I'm not an expert in this area, though if anyone has any better suggestions, I am willing to try that. Sympthom: ACPI enabled i386 kernel works, ACPI enabled amd64 kernel stops during boot due to invalid CPU instruction exactly after disabling BAR on AGP device. --HPS
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