Date: Sat, 20 Nov 2010 14:34:04 +0100 From: RM <reuf_m@hotmail.com> To: freebsd-stable@freebsd.org Cc: Ed Schouten <ed@80386.nl>, Hans Petter Selasky <hselasky@c2i.net> Subject: Re: [Call for Tests] PAT issue on Apple hardware Message-ID: <BLU0-SMTP135BB630314E28AB53923ADF93B0@phx.gbl> In-Reply-To: <201011191354.25486.jkim@FreeBSD.org> References: <201011152036.48181.jkim@FreeBSD.org> <201011161530.20165.jkim@FreeBSD.org> <201011191354.25486.jkim@FreeBSD.org>
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On Fri, 19 Nov 2010 19:54:21 +0100, Jung-uk Kim <jkim@freebsd.org> wrote: > On Tuesday 16 November 2010 03:30 pm, Jung-uk Kim wrote: >> On Monday 15 November 2010 08:36 pm, Jung-uk Kim wrote: >> > Often times I hear complaints like "my Mac hangs after upgrading >> > to 8.1" or "snapshot CD hangs on my brand new Mac". I know some >> > of these complaints started happening when we switched to new PAT >> > layout. It is so puzzling because it never happened on non-Apple >> > hardware, AFAIK. I really like to fix this problem but I cannot >> > afford a Mac. :-P >> > >> > If you are one of those lucky people, please test the attached >> > patch and report your hardware model and any improvement or >> > regression. >> > >> > Also, I added a new tunable "vm.pmap.pat_works" so that you can >> > turn it off from loader (i.e., "set vm.pmap.pat_works=0") and >> > restore old behaviour without recompiling a new kernel. >> >> I revised this patch to make it more robust. >> >> http://people.freebsd.org/~jkim/pat-current.diff >> >> Also, I prepared a patch for stable/8. If you have recent Apple >> hardware and it hangs with 8.1 or stable/8, please test this patch. >> >> http://people.freebsd.org/~jkim/pat-stable.diff > > Anyone? I don't want to commit it blindly. :-( It works for me ! I have an iMac9,1 (Core2 Duo 2.93 GHz and nVidia GT9200) This is the first time it boots on FreeBSD 8.x (8.1-STABLE) Thank you !
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