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Date:      Fri, 22 Mar 2013 23:15:40 -0700
From:      Kevin Oberman <rkoberman@gmail.com>
To:        Justin Yang <linuxjustin@gmail.com>
Cc:        freebsd-x11@freebsd.org
Subject:   Re: annoying unexpected red strips on screen
Message-ID:  <CAN6yY1ts2gUnd4g0JYn4ECjJzLfcH_gp1zX9biDYY1XMKyzF_w@mail.gmail.com>
In-Reply-To: <op.wucw6gp662b4ba@darkgeek>
References:  <op.wucwzkdi62b4ba@darkgeek> <op.wucw6gp662b4ba@darkgeek>

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On Fri, Mar 22, 2013 at 9:52 AM, Justin Yang <linuxjustin@gmail.com> wrote:
> Oh, I'm sorry but the picture of "The annoying strips" should be this one:
> http://i49.tinypic.com/2q3og03.png
>
>
>> Hi, all:
>> I'm now suffering some "unexpected red strips" on the screen, which
>> frustrates me a lot. My box runs on a sandy bridge chip, and I've installed
>> the latest xorg and Intel graphics drivers related ports from xorg-dev. It
>> runs quite well except the red strips shown on my screen unexpectedly
>> sometimes (not always, though). I also tried the xorg from our official
>> ports tree but nothing improved (even worse).
>>
>> BTW, I only install the xorg related and Intel graphics drivers from
>> source code (ports tree), while others, such as firefox, eclipse, are
>> installed from pre-compiled packages directly from this site:
>> http://dev.bsdrp.net/pkg/freebsd:9:x86:32/desktop/
>>
>> What I've installed:
>> justin@darkgeek.pts/0 ~ % pkg info | grep -i xorg
>> linux-f10-xorg-libs-7.4_1      Xorg libraries (Linux Fedora 10)
>> xorg-fonts-truetype-7.5.1      X.Org TrueType fonts
>> xorg-minimal-7.5.2             X.Org minimal distribution metaport
>> xorg-server-1.12.4,1           X.Org X server and related programs
>> justin@darkgeek.pts/0 ~ % pkg info | grep -i libgl
>> libGL-8.0.5_3                  OpenGL library that renders using GLX or
>> DRI
>> libGLU-8.0.5                   OpenGL utility library
>> libglade2-2.6.4_5              GNOME glade library
>> justin@darkgeek.pts/0 ~ % pkg info | grep -i intel
>> xf86-video-intel-2.21.4        Driver for Intel integrated graphics
>> chipsets
>> justin@darkgeek.pts/0 ~ % pkg info | grep -i dri
>> dri-8.0.5_3,2                  OpenGL hardware acceleration drivers for
>> the DRI
>> dri2proto-2.8                  DRI2 prototype headers
>> libGL-8.0.5_3                  OpenGL library that renders using GLX or
>> DRI
>> xf86-input-keyboard-1.6.2      X.Org keyboard input driver
>> xf86-input-mouse-1.8.1         X.Org mouse input driver
>> xf86-video-intel-2.21.4        Driver for Intel integrated graphics
>> chipsets
>> xf86-video-vesa-2.3.2          X.Org vesa display driver
>> justin@darkgeek.pts/0 ~ % pkg info | grep -i libdrm
>> libdrm-2.4.42_1                Userspace interface to kernel Direct
>> Rendering Module services
>> justin@darkgeek.pts/0 ~ % uname -a
>> FreeBSD darkgeek 9.1-RELEASE FreeBSD 9.1-RELEASE #0 r243826: Tue Dec  4
>> 06:55:39 UTC 2012
>> root@obrian.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  i386
>>
>> The annoying strips:
>> http://i50.tinypic.com/260sgac.png
>>
>> And one more annoying thing:
>> http://i50.tinypic.com/260sgac.png
>>
>> More details will be provided when needed. Any help is appreciated. Thank
>> you in advance:)
>

I see the same thing on my Sandybridge system. I've been seeing it
since I first installed KMS code. Others suggestion I am infected by
"The Matrix", but it's red, not green. They may appear in any window
and I can often eliminate it by selecting the "infected" area and then
de-selecting. Yours is the only other report I've seenof this problem.
While I'd love to get this fixed, getting console mode back would be
even nicer.

I also occasionally get other artifacts like a few lines of test
getting darker. I suspect it is being written to the screen twice with
a single pixel offset, but I can't confirm.

9.1-Stable (r246004M) amd64 system. Sandybridge with no nVidia support
card. Pure Intel GPU. ThinkPad T520. All xorg is from ports and this
has happened since I installed the KMS support..
-- 
R. Kevin Oberman, Network Engineer
E-mail: rkoberman@gmail.com



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