[Bug 90276] New: [NVE6] nouveau E[ PFIFO][0000:01:00.0] read fault at 0x000a5c0000 [UNSUPPORTED_KIND] from CE2/GR_CE on channel 0x007f329000 [unknown]

[Bug 90276] New: [NVE6] nouveau E[ PFIFO][0000:01:00.0] read fault at 0x000a5c0000 [UNSUPPORTED_KIND] from CE2/GR_CE on channel 0x007f329000 [unknown]

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=90276

            Bug ID: 90276
           Summary: [NVE6]  nouveau E[   PFIFO][0000:01:00.0] read fault
                    at 0x000a5c0000 [UNSUPPORTED_KIND] from CE2/GR_CE on
                    channel 0x007f329000 [unknown]
           Product: xorg
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
          Reporter: arthurphilippeheymans-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
        QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org

Created attachment 115504
  --> https://bugs.freedesktop.org/attachment.cgi?id=115504&action=edit
Kernel Log

When I launch the 3d game Xonotic or 0ad I get a systematically reproducible
crash: screen freezes and system can't be shutdown anymore from ssh.

How to reproduce:
Launch the game Xonotic


This has been so since at least linux 3.18
Does not happen on linux 3.14

lspci -v:
Flags: bus master, VGA palette snoop, 66MHz, medium devsel, latency 64
        Bus: primary=00, secondary=04, subordinate=04, sec-latency=64
        Memory behind bridge: fe100000-fe1fffff

01:00.0 VGA compatible controller: NVIDIA Corporation GK104 [GeForce GTX 660
Ti] (rev a1) (prog-if 00 [VGA controller])
        Subsystem: Micro-Star International Co., Ltd. [MSI] Device 2843
        Flags: bus master, fast devsel, latency 0, IRQ 29
        Memory at fd000000 (32-bit, non-prefetchable) [size=16M]
        Memory at f0000000 (64-bit, prefetchable) [size=128M]
        Memory at f8000000 (64-bit, prefetchable) [size=32M]
        I/O ports at e000 [size=128]
        Expansion ROM at fe000000 [disabled] [size=512K]
        Capabilities: <access denied>
        Kernel driver in use: nouveau
        Kernel modules: nouveau

mesa 10.5.4-1
libdrm 2.4.60-2
xf86-video-nouveau 1.0.11-3
linux 4.0.1

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[Bug 90276] [NVE6] nouveau E[ PFIFO][0000:01:00.0] read fault at 0x000a5c0000 [UNSUPPORTED_KIND] from CE2/GR_CE on channel 0x007f329000 [unknown]

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=90276

--- Comment #1 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
The screen freeze is most likely unrelated to the error you quote, but is
rather related to the PDISP errors earlier in the log.

Can you try bisecting? (My bet is the display rework in 3.16/17...)

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[Bug 90276] [NVE6] nouveau E[ PFIFO][0000:01:00.0] read fault at 0x000a5c0000 [UNSUPPORTED_KIND] from CE2/GR_CE on channel 0x007f329000 [unknown]

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=90276

--- Comment #2 from Arthur Heymans <arthurphilippeheymans-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
Never done that but I'll try... (so might take a while)

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[Bug 90276] [NVE6] nouveau E[ PFIFO][0000:01:00.0] read fault at 0x000a5c0000 [UNSUPPORTED_KIND] from CE2/GR_CE on channel 0x007f329000 [unknown]

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=90276

--- Comment #3 from Arthur Heymans <arthurphilippeheymans-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
Created attachment 115506
  --> https://bugs.freedesktop.org/attachment.cgi?id=115506&action=edit
kernel_log_3.17

linux 3.17 fails to probe nouveau...
nouveau: probe of 0000:01:00.0 failed with error -12

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[Bug 90276] [NVE6] nouveau E[ PFIFO][0000:01:00.0] read fault at 0x000a5c0000 [UNSUPPORTED_KIND] from CE2/GR_CE on channel 0x007f329000 [unknown]

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=90276

--- Comment #4 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
Probably because of your NvBIOS=PRAMIN thing

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[Bug 90276] [NVE6] nouveau E[ PFIFO][0000:01:00.0] read fault at 0x000a5c0000 [UNSUPPORTED_KIND] from CE2/GR_CE on channel 0x007f329000 [unknown]

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=90276

--- Comment #5 from Arthur Heymans <arthurphilippeheymans-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
Every NvBios option gives me same result

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[Bug 90276] [NVE6] nouveau E[ PFIFO][0000:01:00.0] read fault at 0x000a5c0000 [UNSUPPORTED_KIND] from CE2/GR_CE on channel 0x007f329000 [unknown]

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=90276

--- Comment #6 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
How about removing it? :)

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[Bug 90276] [NVE6] nouveau E[ PFIFO][0000:01:00.0] read fault at 0x000a5c0000 [UNSUPPORTED_KIND] from CE2/GR_CE on channel 0x007f329000 [unknown]

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=90276

--- Comment #7 from Arthur Heymans <arthurphilippeheymans-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
Same result :)

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[Bug 90276] [NVE6] nouveau E[ PFIFO][0000:01:00.0] read fault at 0x000a5c0000 [UNSUPPORTED_KIND] from CE2/GR_CE on channel 0x007f329000 [unknown]

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=90276

--- Comment #8 from Arthur Heymans <arthurphilippeheymans-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
Created attachment 115513
  --> https://bugs.freedesktop.org/attachment.cgi?id=115513&action=edit
bisect_log

found the patch that caused the PDISP errors

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[Bug 90276] [NVE6] nouveau E[ PFIFO][0000:01:00.0] read fault at 0x000a5c0000 [UNSUPPORTED_KIND] from CE2/GR_CE on channel 0x007f329000 [unknown]

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=90276

--- Comment #9 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
Great, thanks for doing that. The commit you landed on certainly *seems*
related to the whole DISP thing, which is good:

commit 7a014a872914a6bb5af8b67eba603f8546794ab9
Author: Ben Skeggs <bskeggs-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Date:   Fri May 16 14:36:15 2014 +1000

    drm/nouveau/disp: add internal representaion of output paths and connectors

    This will, at some point, be used to replace various bits and pieces of
    code doing direct bios parsing.  For now, it'll just be used for some
    DP improvements.

    Signed-off-by: Ben Skeggs <bskeggs-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>

Arthur, can you attach your VBIOS (cat /sys/kernel/debug/dri/0/vbios.rom) and
tell us which connectors have monitors connected?

Ben, any ideas?

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[Bug 90276] [NVE6] nouveau E[ PFIFO][0000:01:00.0] read fault at 0x000a5c0000 [UNSUPPORTED_KIND] from CE2/GR_CE on channel 0x007f329000 [unknown]

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=90276

--- Comment #10 from Arthur Heymans <arthurphilippeheymans-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
Created attachment 115514
  --> https://bugs.freedesktop.org/attachment.cgi?id=115514&action=edit
vbios.rom using linux v4.0

xrandr:
Screen 0: minimum 320 x 200, current 3200 x 1080, maximum 8192 x 8192
DVI-I-1 connected 1280x1024+1920+0 (normal left inverted right x axis y axis)
338mm x 270mm
   1280x1024     60.02*+
   1152x864      75.00  
   1024x768      75.08    75.03    60.00  
   832x624       74.55  
   800x600       75.00    60.32  
   640x480       75.00    60.00  
   720x400       70.08  
DVI-D-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y
axis) 510mm x 287mm
   1920x1080     60.00*+
   1280x1024     75.02    60.02  
   1152x864      75.00  
   1024x768      75.08    60.00  
   800x600       75.00    60.32  
   640x480       75.00    60.00  
   720x400       70.08  
HDMI-1 disconnected (normal left inverted right x axis y axis)
DP-1 disconnected (normal left inverted right x axis y axis)

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[Bug 90276] [NVE6] screen freeze with PDISP errors, bisected

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=90276

Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[NVE6]  nouveau E[          |[NVE6] screen freeze with
                   |PFIFO][0000:01:00.0] read   |PDISP errors, bisected
                   |fault at 0x000a5c0000       |
                   |[UNSUPPORTED_KIND] from     |
                   |CE2/GR_CE on channel        |
                   |0x007f329000 [unknown]      |

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[Bug 90276] [NVE6] screen freeze with PDISP errors, bisected

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=90276

--- Comment #11 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
A suggestion from Ben:

In drivers/gpu/drm/nouveau/nv50_display.c:

-       if (show && nv_crtc->cursor.nvbo)
+       if (show && nv_crtc->base.enabled && nv_crtc->cursor.nvbo)

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[Bug 90276] [NVE6] screen freeze with PDISP errors, bisected

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=90276

--- Comment #12 from Arthur Heymans <arthurphilippeheymans-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
I can confirm that this fixes the PDISP errors!

But I still get the original error (screen freeze) while launching some games:

nouveau E[   PFIFO][0000:01:00.0] read fault at 0x000a940000 [PTE] from
CE2/GR_CE on channel 0x007f369000 [unknown]

Using
mesa 10.5.5-1
linux-git with this fix
libdrm 2.4.61-1
xf86-video-nouveau 1.0.11-3

Should I file a new bug for that issue?

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[Bug 90276] [NVE6] screen freeze with PDISP errors, bisected

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=90276

--- Comment #13 from Arthur Heymans <arthurphilippeheymans-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
I tried bisecting the read fault error.

Before the commit  3d9e3921f4d77bcaeea913c48b894d1208f0cb06 there are no
errors.
After that commit modesetting fails. This is the case until commit
13dfe1286d1ea1af4c9330b039c2316d0d92c484 with which modesetting does works
again. 
The read fault error is present in this last version so the cause is something
in between those two commits.

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[Bug 90276] [NVE6] screen freeze with PDISP errors, bisected

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=90276

--- Comment #14 from Marcin Slusarz <marcin.slusarz-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
You can workaround it by applying the contents of commits: 
79456e1a10d5f4e708822287ed0e97af469bf49b
d979ab975ecdb336ed4da77a808be813a293b59e
d7bda18c9102b65078c132fd7d7ffd835058f021
13dfe1286d1ea1af4c9330b039c2316d0d92c484
at each step of the bisection.

Of course it's possible that those 5 patches (4 above and
3d9e3921f4d77bcaeea913c48b894d1208f0cb06) are the culprit, so first check
whether 3d9e3921f4d77bcaeea913c48b894d1208f0cb06 + above patches works.

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[Bug 90276] [NVE6] screen freeze with PDISP errors, bisected

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=90276

--- Comment #15 from Arthur Heymans <arthurphilippeheymans-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
3d9e3921f4d77bcaeea913c48b894d1208f0cb06 + those 4 patches has the read fault
error!

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[Bug 90276] [NVE4] read fault error, bisected

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=90276

Arthur Heymans <arthurphilippeheymans-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[NVE6] screen freeze with   |[NVE4] read fault error,
                   |PDISP errors, bisected      |bisected

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[Bug 90276] [NVE4] read fault error, bisected

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=90276

--- Comment #16 from Timothy Pearson <kb9vqf-q76TEfyATldW60MLeMDbCeTW4wlIGRCZ@public.gmane.org> ---
(In reply to Arthur Heymans from comment #15)
> 3d9e3921f4d77bcaeea913c48b894d1208f0cb06 + those 4 patches has the read
> fault error!

Out of all of the changes in the aforementioned patches this one would seem to
be most likely to cause the issue:
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/diff/drivers/gpu/drm/nouveau/core/core/mm.c?id=d979ab975ecdb336ed4da77a808be813a293b59e

Any chance you can revert that change in isolation and see if the faults
disappear?

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[Bug 90276] [NVE4] read fault error, bisected

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=90276

--- Comment #17 from Arthur Heymans <arthurphilippeheymans-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
Reversing 3d9e3921f4d77bcaeea913c48b894d1208f0cb06 solves the problem.

Howerever c39f472e9f14e49a9bc091977ced0ec45fc00c57 changes some names so I
don't know what to for recent kernels.

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[Bug 90276] [NVE4] read fault error, bisected

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https://bugs.freedesktop.org/show_bug.cgi?id=90276

--- Comment #18 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
(In reply to Arthur Heymans from comment #17)
> Reversing 3d9e3921f4d77bcaeea913c48b894d1208f0cb06 solves the problem.
> 
> Howerever c39f472e9f14e49a9bc091977ced0ec45fc00c57 changes some names so I
> don't know what to for recent kernels.

The code in question is still here:

http://cgit.freedesktop.org/~darktama/nouveau/tree/drm/nouveau/nvkm/subdev/fb/ramgf100.c#n600

It's surprising that reverting that commit helps... it fixed issues for people
with funny memory partitioning IIRC.

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[Bug 90276] [NVE4] read fault error, bisected

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https://bugs.freedesktop.org/show_bug.cgi?id=90276

--- Comment #19 from Arthur Heymans <arthurphilippeheymans-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
Ok there are still crashes but they tend to happen less easier/fast.
Applications that once produced a reproducible instant crashes, now crashes
with same errors after ~30min or more. (also works on more recent kernels)

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[Bug 90276] [NVE4] read fault error, bisected

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https://bugs.freedesktop.org/show_bug.cgi?id=90276

--- Comment #20 from Emil Velikov <emil.l.velikov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
(In reply to Arthur Heymans from comment #17)
> Reversing 3d9e3921f4d77bcaeea913c48b894d1208f0cb06 solves the problem.
> 
> Howerever c39f472e9f14e49a9bc091977ced0ec45fc00c57 changes some names so I
> don't know what to for recent kernels.

One possible issue (albeit unlikely) is that due to u32 maths the extra
multiplication (combined with << 8) is causing an overflow. Fwiw latest
upstream is explicitly using u64 typed variables.

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[Bug 90276] [NVE4] read fault error, bisected

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https://bugs.freedesktop.org/show_bug.cgi?id=90276

--- Comment #21 from Arthur Heymans <arthurphilippeheymans-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
Well freezes also happen on versions before that particular patch. They are
less common and I have not found a way to make them reproducible (similar to
reverting that patch on recent kernel).

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[Bug 90276] [NVE4] read fault error, bisected

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https://bugs.freedesktop.org/show_bug.cgi?id=90276

--- Comment #22 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
(In reply to Arthur Heymans from comment #21)
> Well freezes also happen on versions before that particular patch. They are
> less common and I have not found a way to make them reproducible (similar to
> reverting that patch on recent kernel).

Can you see if you still have issues with mesa 11.0.3 and a regular (and
recent) upstream kernel? Could you be you were just getting lucky/unlucky with
the other kernel changes.

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[Bug 90276] [NVE4] read fault error, bisected

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https://bugs.freedesktop.org/show_bug.cgi?id=90276

--- Comment #23 from Arthur Heymans <arthurphilippeheymans-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
Using
linux 4.2.3
mesa 11.0.3
I still get frequent things like
 nouveau E[   PFIFO][0000:03:00.0] read fault at 0x0011990000
[UNSUPPORTED_KIND] from CE2/GR_CE on channel 0x007f121000 [unknown]
which freezes display.
So I would say nothing really changed.

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[Bug 90276] [NVE4] read fault error, bisected

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https://bugs.freedesktop.org/show_bug.cgi?id=90276

--- Comment #24 from abi <enitarzi-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
I have exactly the same problem with screens freeze, inability to shutdown
desktop from remote and read fault at 0x00bca00000 [UNSUPPORTED_KIND] from
CE2/GR_CE on channel 0x007f6ef000 [unknown] in the logs.

4.2.5-1-ARCH

mesa 11.0.7-1
libdrm 2.4.65-1
xf86-video-nouveau 1.0.11+31+g1ff13a9-1

04:00.0 VGA compatible controller: NVIDIA Corporation GK104 [GeForce GTX 770]
(rev a1) (prog-if 00 [VGA controller])
    Subsystem: ASUSTeK Computer Inc. Device 8465
    Physical Slot: 4
    Flags: bus master, fast devsel, latency 0, IRQ 70
    Memory at fa000000 (32-bit, non-prefetchable) [size=16M]
    Memory at f0000000 (64-bit, prefetchable) [size=128M]
    Memory at f8000000 (64-bit, prefetchable) [size=32M]
    I/O ports at e000 [size=128]
    Expansion ROM at fb000000 [disabled] [size=512K]
    Capabilities: [60] Power Management version 3
    Capabilities: [68] MSI: Enable+ Count=1/1 Maskable- 64bit+
    Capabilities: [78] Express Endpoint, MSI 00
    Capabilities: [b4] Vendor Specific Information: Len=14 <?>
    Capabilities: [100] Virtual Channel
    Capabilities: [128] Power Budgeting <?>
    Capabilities: [600] Vendor Specific Information: ID=0001 Rev=1 Len=024 <?>
    Capabilities: [900] #19
    Kernel driver in use: nouveau
    Kernel modules: nouveau

Game triggers the issue is Wasteland 2 (native, x64). This is the only game I
have, so I can't extrapolate.

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[Bug 90276] [NVE4] read fault error, bisected

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https://bugs.freedesktop.org/show_bug.cgi?id=90276

--- Comment #25 from Lucas Ribeiro <lucasout-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
I suggest trying again with kernel 4.6, all freezes have stopped here on 660ti
NVE4.

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[Bug 90276] [NVE4] read fault error, bisected

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https://bugs.freedesktop.org/show_bug.cgi?id=90276

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

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

--- Comment #26 from Martin Peres <martin.peres-GANU6spQydw@public.gmane.org> ---
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