Nouveau - Jan 2011 - [Bug 33668] New: [regression] [nv4c] Screen corruption

https://bugs.freedesktop.org/show_bug.cgi?id=33668

           Summary: [regression] [nv4c] Screen corruption
           Product: xorg
           Version: git
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: tjwasiak at poczta.onet.pl
         QAContact: xorg-team at lists.x.org


Created an attachment (id=42666)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=42666)
X server log with ShadowFB option set

You can not use X Window System unless you use ShadowFB option because of
massive screen corruption. ShadowFB means no acceloration at all.

Hardware: nVidia GeForce 6100 nForce 430 - integrated graphics @ GigaByte
GA-M61PM-S2 mainboard
Software: kernel 2.6.38-rc2-git7 with nouveau drm driver snapshot fetched from
http://people.freedesktop.org/~pq/nouveau-drm (dated 20110128), libdrm, mesa
(both dated 20110128) and whole X system fetched from GIT and compiled from
sources locally.

I had been running drm driver, libdrm, mesa and xf86-video-nouveau driver
fetched from GIT in late November 2009 (on top of stable xorg-server) before
hard disk crash on that machine and it was working without bigger issues.

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--- Comment #1 from Tomasz Wasiak <tjwasiak at poczta.onet.pl> 2011-01-28
11:55:46 PST ---
Created an attachment (id=42667)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=42667)
X server log without ShadowFB option set

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https://bugs.freedesktop.org/show_bug.cgi?id=33668

--- Comment #2 from Tomasz Wasiak <tjwasiak at poczta.onet.pl> 2011-01-28
11:56:27 PST ---
Created an attachment (id=42668)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=42668)
dmesg output

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--- Comment #3 from Tomasz Wasiak <tjwasiak at poczta.onet.pl> 2011-01-28
11:57:13 PST ---
Created an attachment (id=42669)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=42669)
X server configuration file

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--- Comment #4 from Tomasz Wasiak <tjwasiak at poczta.onet.pl> 2011-01-28
12:00:17 PST ---
Forgot to mention that it is hardware (nv4c) specific. Took hard disk with that
system to another machine (GeForce 6800 PCI-E which is identified as nv43,
Gigabyte GA-M57SLI-S4 mainboard) reconfigured BusID in xorg.conf at it was
working without ShadowFB!!!

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--- Comment #5 from Tomasz Wasiak <tjwasiak at poczta.onet.pl> 2011-02-04
22:49:09 PST ---
Did some additional tests yesterday. Using newest sources from git I found
using NoAccel is sufficient to make it working... But having no acceleration is
not what I was looking for.

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--- Comment #6 from Tomasz Wasiak <tjwasiak at poczta.onet.pl> 2011-02-06
06:33:28 PST ---
Found partial solution to that issue:
1. Patch ddx not to use tiled scanout
2. Use mesa-7.9 branch instead of master branch of mesa

That way 2D acceleration is quite usable. 3D using nouveau Gallium3D driver is
still bad (even worse than before).

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--- Comment #7 from Lucas Stach <dev at lynxeye.de> 2011-02-09 02:59:05
PST ---
There is a chance this issue is fixed in git since Ben pushed a fix regarding
this. Could you please retest with kernel built from latest git and tiled
scanout enabled in ddx?

Thanks.

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Ilia Mirkin <imirkin at alum.mit.edu> changed:

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

--- Comment #8 from Ilia Mirkin <imirkin at alum.mit.edu> ---
It appears that this bug report has laid dormant for quite a while. Sorry we
haven't gotten to it. Since we fix bugs all the time, chances are pretty
good
that your issue has been fixed with the latest software. Please give it a shot.
(Linux kernel 3.10.7, xf86-video-nouveau 1.0.9, mesa 9.1.6, or their git
versions.) If upgrading to the latest isn't an option for you, your
distro's
bugzilla is probably the right destination for your bug report.

In an effort to clean up our bug list, we're pre-emptively closing all bugs
that haven't seen updates since 2011. If the original issue remains, please
make sure to provide fresh info, see http://nouveau.freedesktop.org/wiki/Bugs/
for what we need to see, and re-open this one.

Thanks,

The Nouveau Team

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