Nouveau - Jul 2010 - [Bug 29324] New: [NV31] Artefacts with latest git

https://bugs.freedesktop.org/show_bug.cgi?id=29324

           Summary: [NV31] Artefacts with latest git
           Product: xorg
           Version: unspecified
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: johannesobermayr at gmx.de
         QAContact: xorg-team at lists.x.org


Created an attachment (id=37466)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=37466)
dmesg

Just updated kernel module to latest git and have a really bad screen
corruption on NV31 after kernel module is loaded.

If you need a screen photo I provide it ...

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Johannes Obermayr <johannesobermayr at gmx.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #37466|text/x-log                  |text/plain
          mime type|                            |

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--- Comment #1 from Patrice Mandin <patmandin at gmail.com> 2010-07-31
04:22:18 PDT ---
I noticed this in your kernel.log:

[    4.902810] [drm] nouveau 0000:01:00.0: GPU lockup - switching to software
fbcon

If you have an older kernel version that works, could you try bisecting this?

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--- Comment #2 from Francisco Jerez <currojerez at riseup.net> 2010-07-31
05:59:40 PDT ---
(In reply to comment #0)
> Created an attachment (id=37466)
 -->
(https://bugs.freedesktop.org/attachment.cgi?id=37466)
> dmesg
> 
> Just updated kernel module to latest git and have a really bad screen
> corruption on NV31 after kernel module is loaded.
> 
> If you need a screen photo I provide it ...
58bbb63720c8997e0136fe1884101e7ca40d68fd is probably the culprit. If reverting
that commit solves the corruption, can you get me a BIOS dump [1] and a
register dump? (after a fresh boot and before having loaded nouveau, you can
use [2] to get one)

[1] http://nouveau.freedesktop.org/wiki/DumpingVideoBios
[2] http://cgit.freedesktop.org/~currojerez/tvdump/

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--- Comment #3 from Johannes Obermayr <johannesobermayr at gmx.de>
2010-07-31 11:27:35 PDT ---
Created an attachment (id=37485)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=37485)
vbtracetool

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--- Comment #4 from Johannes Obermayr <johannesobermayr at gmx.de>
2010-07-31 11:28:02 PDT ---
Created an attachment (id=37486)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=37486)
tvdump

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Johannes Obermayr <johannesobermayr at gmx.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #37485|0                           |1
        is obsolete|                            |

--- Comment #5 from Johannes Obermayr <johannesobermayr at gmx.de>
2010-08-01 04:31:14 PDT ---
Created an attachment (id=37497)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=37497)
vbtracetool

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Johannes Obermayr <johannesobermayr at gmx.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #37486|0                           |1
        is obsolete|                            |

--- Comment #6 from Johannes Obermayr <johannesobermayr at gmx.de>
2010-08-01 04:32:41 PDT ---
Created an attachment (id=37498)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=37498)
tvdump

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--- Comment #7 from Francisco Jerez <currojerez at riseup.net> 2010-08-06
04:40:32 PDT ---
Created an attachment (id=37629)
 View: https://bugs.freedesktop.org/attachment.cgi?id=37629
 Review: https://bugs.freedesktop.org/review?bug=29324&attachment=37629

nv31_pfb_init.patch

Thanks, can you try again with the attached patch?

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--- Comment #8 from Johannes Obermayr <johannesobermayr at gmx.de>
2010-08-06 08:00:49 PDT ---
Created an attachment (id=37637)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=37637)
new tvdump after X

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Francisco Jerez <currojerez at riseup.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #37629|0                           |1
        is obsolete|                            |

--- Comment #9 from Francisco Jerez <currojerez at riseup.net> 2010-08-06
08:31:44 PDT ---
Created an attachment (id=37641)
 View: https://bugs.freedesktop.org/attachment.cgi?id=37641
 Review: https://bugs.freedesktop.org/review?bug=29324&attachment=37641

nv31_pfb_init.patch

New patch attached, the other one had an arithmetic overflow issue.

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Francisco Jerez <currojerez at riseup.net> changed:

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

--- Comment #10 from Francisco Jerez <currojerez at riseup.net> 2010-08-06
14:44:45 PDT ---
This should be fixed in master now, closing...

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