Nouveau - Feb 2012 - [Bug 46533] New: Firefox WebGL with Nouveau 3D; user claims it came installed by default on OpenSuse 12.1

https://bugs.freedesktop.org/show_bug.cgi?id=46533

--- Comment #5 from Christopher James Halse Rogers <chalserogers at
gmail.com> 2012-02-23 16:16:58 UTC ---
It's also installed by default on Ubuntu (as of 11.10, IIRC), and Fedora.

The nouveau wiki page is (a) somewhat out of date, (b) moderately unloved, and
(c) overly conservative.

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--- Comment #6 from Benoit Jacob <bjacob at mozilla.com> 2012-02-23
16:22:18 UTC ---
(In reply to comment #5)
> It's also installed by default on Ubuntu (as of 11.10, IIRC), and
Fedora.
> 
> The nouveau wiki page is (a) somewhat out of date, (b) moderately unloved,
and
> (c) overly conservative.
Well the Mozilla bug I'm forwarding here shows that as of Mesa 7.11, the
wiki
page is accurate: creating a WebGL context is enough to get a crash. Maybe
it's
better in 8.0 though.

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https://bugs.freedesktop.org/show_bug.cgi?id=46533

             Bug #: 46533
           Summary: Firefox WebGL with Nouveau 3D; user claims it came
                    installed by default on OpenSuse 12.1
    Classification: Unclassified
           Product: Mesa
           Version: unspecified
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: bjacob at mozilla.com


Please see this Mozilla bug report:

https://bugzilla.mozilla.org/show_bug.cgi?id=729817

it has some Nouveau_dri crashes with call stacks, like:

https://crash-stats.mozilla.com/report/index/bp-ec695c14-0f53-49c6-a78c-ddaf22120221

The GL strings are:
  nouveau -- Gallium 0.4 on NV84 -- 2.1 Mesa 7.11

We don't blacklist Nouveau 3D because it's officially experimental, so
we
expect that its users are aware of that. But this user says that he gets this
on a fresh OpenSuse 12.1 install without special attention paid to drivers. Do
you know if OpenSuse started installing Nouveau 3D by default? If yes, we would
need to blacklist at least that version of it. Should we then blacklist Nouveau
3D altogether, or do you think that the Mesa 8.0 version has made enough
progress over 7.11 that it's worth blacklisting only versions <= 7.11 ?

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Benoit Jacob <bjacob at mozilla.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Firefox WebGL with Nouveau  |Firefox WebGL crash with
                   |3D; user claims it came     |Nouveau 3D; user claims it
                   |installed by default on     |came installed by default
                   |OpenSuse 12.1               |on OpenSuse 12.1

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Johannes Obermayr <johannesobermayr at gmx.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |NEEDINFO

--- Comment #1 from Johannes Obermayr <johannesobermayr at gmx.de>
2012-02-23 11:34:53 PST ---
He should try packages from home:jobermayr (daily snapshots of libdrm, Mesa,
ddx, kernel modules [drm-nouveau-kmp-{flavor}]).

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Benoit Jacob <bjacob at mozilla.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |NEW

--- Comment #2 from Benoit Jacob <bjacob at mozilla.com> 2012-02-23
11:41:58 PST ---
Johannes, do you know if Nouveau 3D is installed automatically by OpenSuse
12.1, breaking my assumption that only people who know what they are doing, are
using it?

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--- Comment #3 from Johannes Obermayr <johannesobermayr at gmx.de>
2012-02-23 11:55:06 PST ---
Since 12.1 it was integrated in Mesa main package and so installed by default
(as in 11.3):
https://build.opensuse.org/package/rdiff?linkrev=base&package=Mesa&project=X11%3AXOrg&rev=165

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--- Comment #4 from Benoit Jacob <bjacob at mozilla.com> 2012-02-23
12:07:30 PST ---
Oops. What about the big warning on the Nouveau website?
http://nouveau.freedesktop.org/wiki/MesaDrivers
"You should be prepared to face issues, and be able to recover from them
yourself. If the GPU hangs, you can either reboot or suspend"

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--- Comment #7 from Benoit Jacob <bjacob at mozilla.com> 2012-02-23
16:23:37 PST ---
Specifically, the first MakeCurrent on a newly created GL context backed by a
pixmap, crashes.

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--- Comment #8 from Christoph Bumiller <e0425955 at student.tuwien.ac.at>
2012-02-26 05:35:18 PST ---
I can't reproduce it, for me WebGL works fine with mesa-7.11 (git branch)
and
FireFox 10.0.1 (Gentoo ebuild).

Things like mere context creation are just supposed to work, the
"experimental"
excuse certainly doesn't count here.

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--- Comment #9 from Benoit Jacob <bjacob at mozilla.com> 2012-02-26
08:17:13 PST ---
(In reply to comment #8)
> I can't reproduce it, for me WebGL works fine with mesa-7.11 (git
branch) and
> FireFox 10.0.1 (Gentoo ebuild).
The user reports that while certain WebGL pages work fine, github.com causes a
crash. Can you try github?

(Not clear to me at all, what github might be doing with WebGL. The user on the
Mozilla bug might be able to provide more precise STR).
> 
> Things like mere context creation are just supposed to work, the
"experimental"
> excuse certainly doesn't count here.
"experimental" in "experimental-webgl" just means that there
still exist
browser bugs, not just driver bugs, causing conformance test failures. Once
Firefox is able to pass 100% of the conformance tests on some setup, we'll
enable the "webgl" context id.

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--- Comment #10 from Benoit Jacob <bjacob at mozilla.com> 2012-03-09
05:42:30 UTC ---
It appears that the crash is fixed for users of Mesa 8.0. Firefox now only
blacklists Nouveau when the Mesa version is older than 8.0.

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Marcin Slusarz <marcin.slusarz at gmail.com> changed:

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

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