Nouveau - Oct 2015 - [Bug 92556] New: System hangs at visiting WebGL site

https://bugs.freedesktop.org/show_bug.cgi?id=92556

            Bug ID: 92556
           Summary: System hangs at visiting WebGL site
           Product: Mesa
           Version: 11.0
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/nouveau
          Assignee: nouveau at lists.freedesktop.org
          Reporter: mrs.sub at gmail.com
        QA Contact: nouveau at lists.freedesktop.org

Created attachment 119007
  --> https://bugs.freedesktop.org/attachment.cgi?id=119007&action=edit
Two files: 'kmsg' and 'Xorg.0.log.old'

When I visit any WebGL site, after it's done loading everything on screen
freezes except mouse cursor. Keyboard not responding too, so only hard reset
helps :)

Kernel messages and Xorg log are in attachment.

I have already posted a topic at
https://bbs.archlinux.org/viewtopic.php?id=203765 There are some other kernel
messages.

--

$ pacman -Qi mesa libdrm xf86-video-nouveau xorg-server firefox | egrep
"Name|Version" 

    Name           : mesa
    Version        : 11.0.3-1

    Name           : libdrm
    Version        : 2.4.65-1

    Name           : xf86-video-nouveau
    Version        : 1.0.11-3

    Name           : xorg-server
    Version        : 1.17.2-4

    Name           : firefox
    Version        : 41.0.2-1

--

Maybe it somewhat related to https://bugs.freedesktop.org/show_bug.cgi?id=89985

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--- Comment #1 from uxv <mrs.sub at gmail.com> ---
Created attachment 119009
  --> https://bugs.freedesktop.org/attachment.cgi?id=119009&action=edit
'kmsg' file alone

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--- Comment #2 from uxv <mrs.sub at gmail.com> ---
Created attachment 119010
  --> https://bugs.freedesktop.org/attachment.cgi?id=119010&action=edit
'Xorg.0.log.old' file alone

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Pierre Moreau <pierre.morrow at free.fr> changed:

           What    |Removed                     |Added
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 Attachment #119007|0                           |1
        is obsolete|                            |
 Attachment #119007|text/plain                  |application/octet-stream
          mime type|                            |

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--- Comment #3 from uxv <mrs.sub at gmail.com> ---
The cause of the errors is Firefox'
"layers.acceleration.force-enabled" config
parameter set to "true". When I set it to "false" I no more
see any hang or
errors. 

But if it's set to "false", then tearing happens with smooth
scrolling. Setting
the parameter to "true" avoids tearing, but hangs system on any WebGL
site.

It's true for Mesa 10 and 11.

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GitLab Migration User <gitlab-migration at fdo.invalid> changed:

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

--- Comment #4 from GitLab Migration User <gitlab-migration at
fdo.invalid> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/mesa/mesa/issues/1089.

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