Nouveau - Jan 2008 - [Bug 14060] New: Server fails to start with randr 1.2 and a NV20

http://bugs.freedesktop.org/show_bug.cgi?id=14060

           Summary: Server fails to start with randr 1.2 and a NV20
           Product: xorg
           Version: 7.3
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: mathieu.berard at crans.org
         QAContact: xorg-team at lists.x.org


Created an attachment (id=13699)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=13699)
Xorg.0.log with randr 1.2 enabled

Xorg fails to start with the following error:

(EE) NOUVEAU(0): 1484: No valid modes.
(EE) Screen(s) found, but none have a usable configuration.

if randr 1.2 is enabled

Logs also report unknown DCB 1.4 / 1.5 entry.


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--- Comment #1 from Mathieu B?rard <mathieu.berard at crans.org> 
2008-01-13 10:14:53 PST ---
Created an attachment (id=13700)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=13700)
Xorg.0.log with randr 1.2 disabled


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--- Comment #2 from Mathieu B?rard <mathieu.berard at crans.org> 
2008-01-13 10:16:00 PST ---
Created an attachment (id=13701)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=13701)
xorg.conf


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--- Comment #3 from Mathieu B?rard <mathieu.berard at crans.org> 
2008-01-13 10:18:13 PST ---
The card has 1 VGA, 1 DVI and 1 S-Video outputs.

lspci -vvv info:

01:00.0 VGA compatible controller: nVidia Corporation NV20 [GeForce3 Ti 500]
(rev a3) (prog-if 00 [VGA])
        Subsystem: Micro-Star International Co., Ltd. Unknown device 5301
        Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
        Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
        Interrupt: pin A routed to IRQ 18
        Region 0: Memory at de000000 (32-bit, non-prefetchable) [size=16M]
        Region 1: Memory at d8000000 (32-bit, prefetchable) [size=64M]
        Region 2: Memory at ddb80000 (32-bit, prefetchable) [size=512K]
        Expansion ROM at dfdf0000 [disabled] [size=64K]
        Capabilities: [60] Power Management version 2
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [44] AGP version 2.0
                Status: RQ=32 Iso- ArqSz=0 Cal=0 SBA- ITACoh- GART64- HTrans-
64bit- FW- AGP3- Rate=x1,x2,x4
                Command: RQ=32 ArqSz=0 Cal=0 SBA- AGP+ GART64- 64bit- FW-
Rate=x4


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Maarten Maathuis <madman2003 at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |madman2003 at gmail.com




--- Comment #4 from Maarten Maathuis <madman2003 at gmail.com>  2008-01-17
06:06:36 PST ---
Have you asked malc0 in the irc channel?


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--- Comment #5 from Mathieu B?rard <mathieu.berard at crans.org> 
2008-01-17 08:26:12 PST ---
Yes,
IIRC, the code force an error when unknown DCB entries are found to make sure
they get reported. I was told to comment the corresponding block of code in
nv_bios.c and the server is now up and running with randr 1.2 . I saw a commit
on that particular piece of code (4744e5410c27d8bd3c2f92bee4554801639dba29)
just after I made the bug report. But xserver still refuse to launch out of the
box, I still have to comment the block around ' ErrorF("Unknown DCB 1.4
/ 1.5
entry, please report\n");' .
If failing on unknown DCB entries is indeed an intended 'feature', maybe
this
bug can be closed....


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Stuart Bennett <sb476 at cam.ac.uk> changed:

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




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