[Call for Tests] PAT issue on Apple hardware
Jung-uk Kim
jkim at FreeBSD.org
Tue Nov 16 20:05:16 UTC 2010
On Tuesday 16 November 2010 02:33 pm, Patrick Lamaiziere wrote:
> Le Mon, 15 Nov 2010 20:36:42 -0500,
>
> Jung-uk Kim <jkim at FreeBSD.org> a écrit :
> > 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
>
> Thanks.
>
> > If you are one of those lucky people, please test the attached
> > patch and report your hardware model and any improvement or
> > regression.
>
> Shall we test if the model is not listed in the patch and already
> works fine? (I'm using a MacBookPro3,1 on FreeBSD 8.1)
>
> if (strncmp(sysenv, "MacBook5,1", 10)
> strncmp(sysenv, "MacBookPro5,5",
> strncmp(sysenv, "Macmini3,1", 10)
> strncmp(sysenv, "iMac9,1", 7) == 0)
There's no need if it already works fine. It seems the new PAT layout
only broke recent models with NVidia chipset. Also, this patch won't
apply to stable pmap.c.
Actually, I am working on more complex version now. When I am done,
I'll make patches for both branches.
Thanks,
Jung-uk Kim
More information about the freebsd-current
mailing list