Date: Thu, 29 Jan 2009 12:38:16 -0500 From: Robert Noland <rnoland@FreeBSD.org> To: Mark Knight <markk@knigma.org> Cc: freebsd-x11@freebsd.org Subject: Re: Xorg 7.4 breaks mga with G450 Message-ID: <1233250696.1766.27.camel@wombat.2hip.net> In-Reply-To: <IoupDdQEvdgJFwsM@lap.knigma.org> References: <%2B$PUWxC8yOfJFwC1@lap.knigma.org> <1232939280.1973.7.camel@wombat.2hip.net> <alpine.BSF.2.00.0901260943380.1030@wonkity.com> <1233002689.88679.24.camel@squirrel.corp.cox.com> <alpine.BSF.2.00.0901261613410.2383@wonkity.com> <1233197046.1779.11.camel@wombat.2hip.net> <alpine.BSF.2.00.0901282132460.13788@wonkity.com> <UGsOoZHOCWgJFw9E@lap.knigma.org> <1233234690.1779.20.camel@wombat.2hip.net> <u5Jw3MNZdbgJFwIn@lap.knigma.org> <1233238588.1779.48.camel@wombat.2hip.net> <1532XLOh3bgJFwKw@lap.knigma.org> <K%2BCJGqO1AcgJFwci@lap.knigma.org> <1233244386.1766.1.camel@wombat.2hip.net> <R$3fWbPhHdgJFwuz@lap.knigma.org> <X$TeWyPxLdgJFwvR@lap.knigma.org> <1233245396.1766.13.camel@wombat.2hip.net> <IoupDdQEvdgJFwsM@lap.knigma.org>
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On Thu, 2009-01-29 at 16:39 +0000, Mark Knight wrote:
> In message <1233245396.1766.13.camel@wombat.2hip.net>, Robert Noland=20
> <rnoland@FreeBSD.org> writes
> >Ok, I'll try and have a look at the detection code... It's possible that
> >this is somehow related to the switch to libpciaccess.
>=20
> This patch fixes the problem for me in a horribly broken way:
>=20
> >mkn@shrewd$ pwd
> >/usr/ports/x11-drivers/xf86-video-mga/work/xf86-video-mga-1.9.100/src
> >mkn@shrewd$ sudo diff -u mga_driver.c.orig mga_driver.c
> >--- mga_driver.c.orig 2009-01-29 16:31:42.000000000 +0000
> >+++ mga_driver.c 2009-01-29 16:35:01.000000000 +0000
> >@@ -1473,8 +1473,7 @@
> > xf86ErrorF("\n");
> > }
> >
> >- pMga->is_Gx50 =3D ((pMga->Chipset =3D=3D PCI_CHIP_MGAG400) &&=20
> >(pMga->ChipRev >=3D 0x80))
> >- || (pMga->Chipset =3D=3D PCI_CHIP_MGAG550);
> >+ pMga->is_Gx50 =3D 1;
> > pMga->is_G200SE =3D (pMga->Chipset =3D=3D PCI_CHIP_MGAG200_SE_A_PCI=
)
> > || (pMga->Chipset =3D=3D PCI_CHIP_MGAG200_SE_B_PCI);
>=20
> So the cause is clear but finding the bug is way beyond me...
Ok, get rid of that and try replacing the patch in devel/libpciaccess
with this one.
robert.
> Cheers,
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