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Bug#348082: xserver-xorg: [ati/radeon] pinkness and interference pattern on Radeon RV250 If [Radeon 9000] rev 1 and TMDS-connected Samsung SyncMaster 213T



On Fri, Jan 20, 2006 at 12:51:36PM -0500, Branden Robinson wrote:
> On Mon, Jan 16, 2006 at 12:23:50PM +0100, Michel Dänzer wrote:
> > 
> > Hi Branden,
> > 
> > On Sat, 2006-01-14 at 11:42 -0500, Branden Robinson wrote:
> > > 
> > > Section "Device"
> > > 	Identifier	"ATI Radeon 9000"
> > > 	Driver		"ati"
> > > 	Option		"UseFBDev"		"true"
> > > 	Option		"MonitorLayout"		"TMDS,CRT"
> > > EndSection
> > 
> > Does commenting out one or both of these options make a difference?
> 
> I'll give that a try this weekend.  Earlier this week I was away from the
> machine.
> 
> Thanks for the suggestion!

Er, I completely zoned on this.  FWIW, I am now running:

ii  xserver-xorg                  7.0.18            the X.Org X server
ii  xserver-xorg-core             1.0.2-8           X.Org X server -- core server
ii  xserver-xorg-input-all        7.0.18            the X.Org X server -- input driver metapackage
ii  xserver-xorg-input-evdev      1.0.0.5-2         X.Org X server -- evdev input driver
ii  xserver-xorg-input-kbd        1.0.1.3-2         X.Org X server -- keyboard input driver
ii  xserver-xorg-input-mouse      1.0.4-3           X.Org X server -- mouse input driver
ii  xserver-xorg-input-synaptics  0.14.4-5          Synaptics TouchPad driver for X.Org/XFree86 server
ii  xserver-xorg-input-wacom      0.7.4.1-2         X.Org X server -- wacom input driver
ii  xserver-xorg-video-all        7.0.18            the X.Org X server -- output driver metapackage
ii  xserver-xorg-video-ati        6.5.8.0-1         X.Org X server -- ATI display driver
ii  xserver-xorg-video-chips      1.0.1.3-3         X.Org X server -- Chips display driver
ii  xserver-xorg-video-fbdev      0.1.0.5-2         X.Org X server -- fbdev display driver
ii  xserver-xorg-video-glint      1.0.1.3-3         X.Org X server -- Glint display driver
ii  xserver-xorg-video-imstt      1.0.0.5-2         X.Org X server -- IMSTT display driver
ii  xserver-xorg-video-mga        1.2.1.3.dfsg.1-2  X.Org X server -- MGA display driver
ii  xserver-xorg-video-nv         1.0.1.5-2         X.Org X server -- NV display driver
ii  xserver-xorg-video-s3         0.3.5.4-3         X.Org X server -- legacy S3 display driver
ii  xserver-xorg-video-s3virge    1.8.6.5-2         X.Org X server -- S3 ViRGE display driver
ii  xserver-xorg-video-savage     2.0.2.3-4         X.Org X server -- Savage display driver
ii  xserver-xorg-video-sis        0.8.1.3-2         X.Org X server -- SiS display driver
ii  xserver-xorg-video-sisusb     0.7.1.3-2         X.Org X server -- SiS USB display driver
ii  xserver-xorg-video-tdfx       1.1.1.3-3         X.Org X server -- tdfx display driver
ii  xserver-xorg-video-trident    1.0.1.2-2         X.Org X server -- Trident display driver
ii  xserver-xorg-video-v4l        0.0.1.5-1         X.Org X server -- Video 4 Linux display driver
ii  xserver-xorg-video-vga        4.0.0.5-2         X.Org X server -- VGA display driver

But there has been no evident change.

A few data points:

Commenting out both			no difference
Commenting out only "MonitorLayout"	no difference
Commenting out only "UseFBDev"		even worse!

"Even worse" consists of vertical red stripes on the screen.  Please see
the digital camera photo at:

  http://redwald.deadbeast.net/tmp/branden_grief_3.jpeg

It's a little dark but using flash was worse, and you should still be able
to get the gist of the interference.

I do have one further data point which renders the X.Org X server usable
again.

At least as far back as 6.8.2, the X server has had a problem in which the
display gets shifted several pixels to the right.  This usually happened
after power-cycle events on the monitor, but with 7.0 I note that it
happens across server resets too.  On my Samsung SyncMaster 213T I cannot
perform manual adjustments to the positioning on a digital input, so at
first this is really awful.

However, if I use xvidtune to adjust the screen *either* left *or* right
(you'd think only left would work), the screen image is centered perfectly.

This worked back in 6.8.2, and I never filed a bug about it.  7.0 still
exhibits this problem (and the fix still works) *but*, doing this
adjustment also makes the pink interference go away.  I haven't tested in
the "commening out only "UseFBDev" case" yet.

So this pink suffusion problem and the off-centered image problem seem to
be correlated somehow.

Please let me know if I can provide any further information.

-- 
G. Branden Robinson            |      If you wish to strive for peace of
Free Software Developer        |      soul, then believe; if you wish to
branden@deadbeast.net          |      be a devotee of truth, then
http://deadbeast.net/~branden/ |      inquire.     -- Friedrich Nietzsche

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