Nouveau - Jun 2009 - [Bug 22179] New: [KMS] Black screen with KMS enabled

http://bugs.freedesktop.org/show_bug.cgi?id=22179

           Summary: [KMS] Black screen with KMS enabled
           Product: xorg
           Version: git
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: randrik at mail.ru
         QAContact: xorg-team at lists.x.org


I have this hardware in AGP slot:

01:00.0 VGA compatible controller: nVidia Corporation NV44A [GeForce 6200] (rev
a1) (prog-if 00 [VGA controller])
        Subsystem: ASUSTeK Computer Inc. Device 81e1
        Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 16
        Memory at d6000000 (32-bit, non-prefetchable) [size=16M]
        Memory at c0000000 (32-bit, prefetchable) [size=256M]
        Memory at d5000000 (32-bit, non-prefetchable) [size=16M]
        Expansion ROM at d7ee0000 [disabled] [size=128K]
        Capabilities: [60] Power Management version 2
        Capabilities: [44] AGP version 3.0
        Kernel driver in use: nouveau
        Kernel modules: nvidiafb

Tried to use in-kernel DRM from
http://cgit.freedesktop.org/nouveau/linux-2.6/log/?h=newttm-devel, comments
between 59a3759d0fe8d969888c741bb33f4946e4d3750d and       
c05c0840514599d229e6719d42a2f4e6e0e8ea1e were extracted as patch, and this
patch applied to 2.6.30-rc8-git4 (due to unrelated XFS bug in earlier
2.6.30-rc7 kernel)

Resulted kernel boots fine, and nouveau DRM works in two-minute testing, but
KMS (modeset=1 as module parameter) gives me black screen. No, this time, i
verified  that fbcon was loaded. 

Also, DRM thee from
http://cgit.freedesktop.org/~jinghua/drm/log/?h=modesetting-gem works fine  in
KMS mode with my current hardware (I need to correct screen resolution, X seems
to be started in doublescan mode, but after this X works ok)

Logs will follow ....


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--- Comment #1 from Andrew Randrianasulu <randrik at mail.ru>  2009-06-09
11:53:02 PST ---
Created an attachment (id=26593)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=26593)
X.org log


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--- Comment #2 from Andrew Randrianasulu <randrik at mail.ru>  2009-06-09
11:53:46 PST ---
Created an attachment (id=26594)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=26594)
/var/log/debug


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--- Comment #3 from Andrew Randrianasulu <randrik at mail.ru>  2009-06-09
11:54:49 PST ---
Created an attachment (id=26595)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=26595)
/var/log/messages


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--- Comment #4 from Andrew Randrianasulu <randrik at mail.ru>  2009-06-09
11:55:30 PST ---
Created an attachment (id=26596)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=26596)
/var/log/syslog


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--- Comment #5 from Andrew Randrianasulu <randrik at mail.ru>  2009-06-09
11:58:12 PST ---
Connecting monitor (CRT Samsung SyncMaster 550b) to DVI-A-0 (VGA-to-DVI
adapter) changes nothing (still black screen, even after blind startx). But DRM
and X prints correct connector in use.


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Andrew Randrianasulu <randrik at mail.ru> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[KMS] Black screen with KMS |[KMS] Black screen with KMS
                   |enabled                     |enabled, nv44




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--- Comment #6 from Andrew Randrianasulu <randrik at mail.ru>  2009-06-09
12:04:07 PST ---
Created an attachment (id=26597)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=26597)
Current X.org log, with user mode-setting

Using DRM from  freedesktop.org git master, up to 

3d4bfe8c893d016ef43d1ebf28e4607aa1f540a4
Author: Ben Skeggs <bskeggs at redhat.com>
Date:   Wed Jun 3 13:54:43 2009 +1000

    nouveau: 0.0.14 + extend bo interface to support subrange mapping

    Normal map() should operate as before, and map_range()/map_flush() should
    give correct results but lacking any performance difference from map().

Xserver and input drivers were updated recently, 
X now at git master 

commit 2a035600e603117a4dbe668cad50bae2a5609094
Author: Peter Hutterer <peter.hutterer at who-t.net>
Date:   Tue Jun 9 10:14:18 2009 +1000

    require inputproto 1.9.99.11

and xf86-video-nouveau at git master 

commit 6ee453381f00063522187939cb54ab9447b73ec7
Author: Ben Skeggs <bskeggs at redhat.com>
Date:   Thu Jun 4 14:43:54 2009 +1000

    xv: fix some issues with driver pixmaps


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--- Comment #7 from Andrew Randrianasulu <randrik at mail.ru>  2009-06-09
12:05:02 PST ---
Created an attachment (id=26598)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=26598)
xorg.conf


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--- Comment #8 from Andrew Randrianasulu <randrik at mail.ru>  2009-06-09
12:10:12 PST ---
in my first post (between 59a3759d0fe8d969888c741bb33f4946e4d3750d and       
c05c0840514599d229e6719d42a2f4e6e0e8ea1e) "comments" =
"commits" (sorry)


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Sergei Trofimovich <slyfox at inbox.ru> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |slyfox at inbox.ru




--- Comment #9 from Sergei Trofimovich <slyfox at inbox.ru>  2009-07-06
05:36:40 PST ---
>        Kernel driver in use: nouveau
>        Kernel modules: nvidiafb
Do you have both nvidiafb and nouveau drivers built? It would worth to try to
disable all FB drivers (nvidiafb, rivafb etc.).


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Renato Caldas <seventhguardian at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |seventhguardian at gmail.com




--- Comment #10 from Renato Caldas <seventhguardian at gmail.com> 
2009-07-07 13:52:46 PST ---
I can confirm this. I don't have any fb driver enabled.


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Francesco Marella <francesco.marella at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |francesco.marella at gmail.com




--- Comment #11 from Francesco Marella <francesco.marella at gmail.com> 
2009-07-11 10:35:58 PST ---
same here.
On my laptop, backlight is on but screen is completely black.

So I connected a 17'' Philips external monitor via VGA, [booted with
drm.debug=1]
now laptop panel displays the correct output and KMS works fine. 
External monitor displays a cloned screen but actual image is a black screen
with oblique dashed lines and cursor.

VT switching froze laptop panel output that slowly turns white.


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--- Comment #12 from Francesco Marella <francesco.marella at gmail.com> 
2009-07-11 10:40:28 PST ---
Created an attachment (id=27598)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=27598)
nouveau xorg 


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--- Comment #13 from Francesco Marella <francesco.marella at gmail.com> 
2009-07-12 00:19:03 PST ---
Created an attachment (id=27604)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=27604)
kernel log


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--- Comment #14 from Francesco Marella <francesco.marella at gmail.com> 
2009-07-12 00:21:10 PST ---
Created an attachment (id=27605)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=27605)
xorg configuration file


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--- Comment #15 from Francesco Marella <francesco.marella at gmail.com> 
2009-07-12 02:45:32 PST ---
(In reply to comment #11)
> 
> VT switching froze laptop panel output that slowly turns white.
> 
modprobe fbcon fixed vt switching.
ps. my card is identified as NV46.


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--- Comment #16 from Renato Caldas <seventhguardian at gmail.com> 
2009-07-21 03:54:26 PST ---
*** Bug 22867 has been marked as a duplicate of this bug. ***


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Andrew Randrianasulu <randrik at mail.ru> changed:

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




--- Comment #17 from Andrew Randrianasulu <randrik at mail.ru>  2009-07-29
08:10:46 PST ---
fixed in kernel code:

http://cgit.freedesktop.org/nouveau/linux-2.6/
commit  08ac20e576b8585808a0c5f4a894555224f9b2bf

drm/nv40: fix kms on any card we decide is "NV44"...

Thanks a lot!


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--- Comment #18 from Sergei Trofimovich <slyfox at inbox.ru>  2009-07-31
00:42:56 PST ---
(In reply to comment #17)
> fixed in kernel code:
> 
> http://cgit.freedesktop.org/nouveau/linux-2.6/
> commit  08ac20e576b8585808a0c5f4a894555224f9b2bf
> 
> drm/nv40: fix kms on any card we decide is "NV44"...
> 
> Thanks a lot!
> 
Same for me. Now FB works properly \o/


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