Nouveau - Mar 2008 - [Bug 14856] New: Black screen w/ RandR12 enabled

http://bugs.freedesktop.org/show_bug.cgi?id=14856

           Summary: Black screen w/ RandR12 enabled
           Product: xorg
           Version: unspecified
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: lucaotta at yahoo.it
         QAContact: xorg-team at lists.x.org


Created an attachment (id=14879)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=14879)
Xorg log, randr disabled, only laptop digital panel

When enabling RandR12 on my laptop the screen is black, though it is backlit.
I can switch to VT and back to Xserver without any problem.

If I attach a crt monitor, both displays don't work. The analog monitor
complaints about out of range frequency, while the lvds is white (instead of
black).
Again, I have no problem in switching to VT.

My laptop has an nForce chipset.

lspci -v
01:00.0 VGA compatible controller: nVidia Corporation NV36 [GeForce FX Go5700]
(rev a1) (prog-if 00 [VGA])
        Subsystem: Acer Incorporated [ALI] Unknown device 0059
        Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 16
        Memory at d1000000 (32-bit, non-prefetchable) [size=16M]
        Memory at e0000000 (32-bit, prefetchable) [size=256M]
        Capabilities: <access denied>

lspci -nn
01:00.0 VGA compatible controller [0300]: nVidia Corporation NV36 [GeForce FX
Go5700] [10de:0348] (rev a1)


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--- Comment #1 from Luca Ottaviano <lucaotta at yahoo.it>  2008-03-06
10:02:32 PST ---
Created an attachment (id=14880)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=14880)
Xorg log, randr enabled, only laptop digital panel


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--- Comment #2 from Luca Ottaviano <lucaotta at yahoo.it>  2008-03-06
10:06:32 PST ---
Created an attachment (id=14881)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=14881)
Xorg log, randr enabled, laptop digital panel + external crt monitor


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--- Comment #3 from Maarten Maathuis <madman2003 at gmail.com>  2008-03-06
10:49:10 PST ---
Your PLL table version 0x11 is not known yet. This is causing problems.


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Maarten Maathuis <madman2003 at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Blocks|                            |14405




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--- Comment #4 from Stuart Bennett <sb476 at cam.ac.uk>  2008-03-07
11:13:14 PST ---
Try again, the PLL table issue should now be fixed.


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--- Comment #5 from Luca Ottaviano <lucaotta at yahoo.it>  2008-03-08
03:07:09 PST ---
Ok, now it works with only laptop panel attached. It's a bit slow with
redraw
operations, but I'm on xserver 1.3 (and not able to update for a bit).

If I attach a crt monitor before starting X, I get only the external monitor
working, the lvds is on and white, with coloured stripes.
I've updated my Xorg.conf to have a virtual size of 2048x768 and tried to
put
the lvds on the right of my crt but with no luck (lvds stays white but windows
move over the right of the crt).
Note that I have only one Monitor section, but as far as I know that should not
matter.

BTW, VT switch is broken (I just see the white screen on my laptop).


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Luca Ottaviano <lucaotta at yahoo.it> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #14879|0                           |1
        is obsolete|                            |
  Attachment #14880|0                           |1
        is obsolete|                            |
  Attachment #14881|0                           |1
        is obsolete|                            |




--- Comment #6 from Luca Ottaviano <lucaotta at yahoo.it>  2008-03-08
03:10:14 PST ---
Created an attachment (id=14955)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=14955)
RandR on, laptop lvds + external crt, laptop screen white


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--- Comment #7 from Maarten Maathuis <madman2003 at gmail.com>  2008-03-08
03:33:21 PST ---
Created an attachment (id=14956)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=14956)
Disable a quirk that may have adverse effects.

Please try this patch.


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--- Comment #8 from Luca Ottaviano <lucaotta at yahoo.it>  2008-03-08
11:52:39 PST ---
Just tested with two VGA monitors, one lcd and one crt; your patch is working
perfectly. I'm not sure which adverse effects you where thinking about, but
I've seen none.

For me it's fixed.


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--- Comment #9 from Maarten Maathuis <madman2003 at gmail.com>  2008-03-08
12:28:51 PST ---
I disabled the quirk in the code, please test it again.

I hope noone complains, and i can remove it altogether :-)


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--- Comment #10 from Luca Ottaviano <lucaotta at yahoo.it>  2008-03-10
04:24:52 PST ---
Updated to master today and everything seems ok. I hope the quirk doesn't
affect anyone else! :)

On a side note: I've put lvds right-of vga; when I disconnect the cable, all
the windows on vga don't migrate automatically to lvds (that's a problem
for
example if I have gnome menu bars on vga, so I'm blind and can't launch
even a
console). Is that intended?


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--- Comment #11 from Maarten Maathuis <madman2003 at gmail.com> 
2008-03-10 04:33:21 PST ---
The system is unaware that you pulled out the cable, and you will need to rerun
xrandr --auto or some other program needs to give it a kick.

I don't think there is a pretty way to deal with this, certainly not for
vga.


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Luca Ottaviano <lucaotta at yahoo.it> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED




--- Comment #12 from Luca Ottaviano <lucaotta at yahoo.it>  2008-03-11
08:07:07 PST ---
Ok, thanks. However it has nothing to do with the bug reported here.
Closing fixed.


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