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Date:      Mon, 16 Feb 2009 12:26:22 -0500
From:      Robert Noland <rnoland@FreeBSD.org>
To:        Alexey Shuvaev <shuvaev@physik.uni-wuerzburg.de>
Cc:        freebsd-x11@freebsd.org
Subject:   Re: Xorg 7.4 and intel video: blank screen.
Message-ID:  <1234805182.4440.10.camel@ferret.2hip.net>
In-Reply-To: <20090215212754.GA1627@wep4035.physik.uni-wuerzburg.de>
References:  <20090215212754.GA1627@wep4035.physik.uni-wuerzburg.de>

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On Sun, 2009-02-15 at 22:27 +0100, Alexey Shuvaev wrote:
> Hello all!
>=20
> Yet another unhappy story about new Xorg 7.4 :(
>=20
> Symptoms: the first start of X server is good, even dri is working,
> but on the second start I got black screen and unable to switch back
> to consoles. I can still reach the box with ssh and reboot.
>=20
> If I disable dri, I can go up to the 3-rd start of X :)
> The second start is 'half-success': I see partially drawn 'X'-cursor
> on the black background (and it continues to be drawn, but sloooooowly)
> and I can move it with the mouse. Then, I can kill the server with
> Ctrl-Alt-Backspace. The third start is black screen with no return too :(
>=20
> I have tried xf86-video-intel-2.6.1 with almost the same results
> (difference is in logs only).
>=20
> Other info about the system:
>  ~> uname -a
> FreeBSD wep4035 8.0-CURRENT FreeBSD 8.0-CURRENT #0: Sat Feb 14 01:29:05 C=
ET 2009     root@wep4035:/usr/obj/usr/src/sys/NOUSB  amd64
>=20
> vgapci0@pci0:0:2:0:     class=3D0x030000 card=3D0x82761043 chip=3D0x29c28=
086 rev=3D0x02 hdr=3D0x00
>     vendor     =3D 'Intel Corporation'
>     device     =3D '(Bearlake) Integrated Graphics Controller'
>     class      =3D display
>     subclass   =3D VGA
>=20
> xorg-server-1.5.3_5,1
> xf86-video-intel-2.5.1
>=20
> I'm not using hald as I'm on USB2 :)
>=20
> Please CC me, I'm not on this list.
>=20
> And some logs at the end,
> Alexey.

Unfortunately, this is at least a semi-known issue.  I had thought that
this was a bad interaction between drm and agp that I have been meaning
to track down.  Though, if you are seeing it without drm, it may be
either just agp or the intel hardware status page handling.

robert.

--=20
Robert Noland <rnoland@FreeBSD.org>
FreeBSD

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