[Bug 98712] New: [PPC64] GPU Lock Up when Nouveau 2D acceleration is enabled + X failures

[Bug 98712] New: [PPC64] GPU Lock Up when Nouveau 2D acceleration is enabled + X failures

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=98712

            Bug ID: 98712
           Summary: [PPC64] GPU Lock Up when Nouveau 2D acceleration is
                    enabled + X failures
           Product: xorg
           Version: 7.7 (2012.06)
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
          Reporter: jeffbai-ymACFijhrKM@public.gmane.org
        QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org

Created attachment 127956
  --> https://bugs.freedesktop.org/attachment.cgi?id=127956&action=edit
dmesg without nouveau.noaccel=1

Happened to get 2 FX4500's for my PowerMac G5 11,2, but it didn't seem willing
to cooperate.

Without nouveau.noaccel=1 in the kernel parameter, the system starts fine, but
X would only work with fbdev driver - as GPU locks up at early stages of
startup (dmesg attached above).

With nouveau.noaccel=1 in the kernel parameter, system starts fine without the
lock up message, but X will **still** only work with fbdev - using nouveau with
result in a looped output of the following message:

"nouveau 0000:0a:00.0: DRM: 0x13DC: Parsing digital output script table"

And the system is inaccessible, this also appears to hang any `systemctl stop
lightdm` operation and even the `reboot` command itself.

---------------------------

Xorg-Server version: 1.18.4
Kernel version: 4.8.6
xf86-video-nouveau version: 1.0.12

---------------------------

I would happily donate one of my FX4500's to one who's willing to investigate
this issue.

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[Bug 98712] [PPC64] GPU Lock Up when Nouveau 2D acceleration is enabled + X failures

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=98712

--- Comment #1 from Mingcong Bai <jeffbai-ymACFijhrKM@public.gmane.org> ---
Created attachment 127957
  --> https://bugs.freedesktop.org/attachment.cgi?id=127957&action=edit
dmesg with nouveau.noaccel=1

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[Bug 98712] [PPC64] GPU Lock Up when Nouveau 2D acceleration is enabled + X failures

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=98712

--- Comment #2 from Mingcong Bai <jeffbai-ymACFijhrKM@public.gmane.org> ---
Created attachment 127958
  --> https://bugs.freedesktop.org/attachment.cgi?id=127958&action=edit
lspci output

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[Bug 98712] [PPC64] GPU Lock Up when Nouveau 2D acceleration is enabled + X failures

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=98712

--- Comment #3 from Mingcong Bai <jeffbai-ymACFijhrKM@public.gmane.org> ---
Created attachment 127959
  --> https://bugs.freedesktop.org/attachment.cgi?id=127959&action=edit
Xorg log - nouveau.noaccel=1 enabled, using nouveau

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[Bug 98712] [PPC64] GPU Lock Up when Nouveau 2D acceleration is enabled + X failures

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https://bugs.freedesktop.org/show_bug.cgi?id=98712

Mingcong Bai <jeffbai-ymACFijhrKM@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Hardware|Other                       |PowerPC
                 OS|All                         |Linux (All)
           Severity|normal                      |critical

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[Bug 98712] [PPC64] GPU Lock Up when Nouveau 2D acceleration is enabled + X failures

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https://bugs.freedesktop.org/show_bug.cgi?id=98712

--- Comment #4 from Mingcong Bai <jeffbai-ymACFijhrKM@public.gmane.org> ---
Created attachment 127960
  --> https://bugs.freedesktop.org/attachment.cgi?id=127960&action=edit
Xorg log - nouveau.noaccel=1 disabled (without this parameter), using nouveau

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[Bug 98712] [PPC64] GPU Lock Up when Nouveau 2D acceleration is enabled + X failures

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https://bugs.freedesktop.org/show_bug.cgi?id=98712

--- Comment #5 from Mingcong Bai <jeffbai-ymACFijhrKM@public.gmane.org> ---
A similar report is filed to the Kernel bugzilla:
https://bugzilla.kernel.org/show_bug.cgi?id=187581 as I am not sure where the
issue really is.

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[Bug 98712] [PPC64] GPU Lock Up when Nouveau 2D acceleration is enabled + X failures

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https://bugs.freedesktop.org/show_bug.cgi?id=98712

Martin Peres <martin.peres-GANU6spQydw@public.gmane.org> changed:

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

--- Comment #6 from Martin Peres <martin.peres-GANU6spQydw@public.gmane.org> ---
-- 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/xorg/driver/xf86-video-nouveau/issues/304.

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