[Bug 33999] New: 2.6.37 - NV11 crashes X if glxgears maximised

[Bug 33999] New: 2.6.37 - NV11 crashes X if glxgears maximised

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=33999

           Summary: 2.6.37 - NV11 crashes X if glxgears maximised
           Product: xorg
           Version: unspecified
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
        ReportedBy: alex.buell-XLQCo7u1tb3e9xe1eoZjHA@public.gmane.org
         QAContact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org


With Gnome, start glxgears, then click on maximise, X will crash. With
LIBGL_ALWAYS_SOFTWARE=1, crashes do not occur. 

Starting KDE 4.6.x always result in a X crash. 

Logs attached. I am always happy to assist if necessary to fix this problem.

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[Bug 33999] 2.6.37 - NV11 crashes X if glxgears maximised

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=33999

--- Comment #1 from Alex Buell <alex.buell-XLQCo7u1tb3e9xe1eoZjHA@public.gmane.org> 2011-02-07 12:13:49 PST ---
Created an attachment (id=43038)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=43038)
dmesg output

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[Bug 33999] 2.6.37 - NV11 crashes X if glxgears maximised

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=33999

--- Comment #2 from Alex Buell <alex.buell-XLQCo7u1tb3e9xe1eoZjHA@public.gmane.org> 2011-02-07 12:14:19 PST ---
Created an attachment (id=43040)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=43040)
2.6.37 Xorg.0.log

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[Bug 33999] 2.6.37 - NV11 crashes X if glxgears maximised

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=33999

--- Comment #3 from Alex Buell <alex.buell-XLQCo7u1tb3e9xe1eoZjHA@public.gmane.org> 2011-02-07 12:18:17 PST ---
I'd consider this a regression since 2.6.36 worked perfectly with the same
program and same libraries.

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[Bug 33999] 2.6.37 - NV11 crashes X if glxgears maximised

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=33999

--- Comment #4 from Alex Buell <alex.buell-XLQCo7u1tb3e9xe1eoZjHA@public.gmane.org> 2011-02-07 14:34:38 PST ---
Created an attachment (id=43052)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=43052)
dmesg with drm.debug=6

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[Bug 33999] 2.6.37 - NV11 crashes X if glxgears started

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=33999

Alex Buell <alex.buell-XLQCo7u1tb3e9xe1eoZjHA@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|2.6.37 - NV11 crashes X if  |2.6.37 - NV11 crashes X if
                   |glxgears maximised          |glxgears started

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[Bug 33999] 2.6.37 - NV11 crashes X if glxgears started

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=33999

Alex Buell <alex.buell-XLQCo7u1tb3e9xe1eoZjHA@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #43052|0                           |1
        is obsolete|                            |

--- Comment #5 from Alex Buell <alex.buell-XLQCo7u1tb3e9xe1eoZjHA@public.gmane.org> 2011-02-07 16:22:51 PST ---
Created an attachment (id=43058)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=43058)
2.6.37 dmesg

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[Bug 33999] 2.6.37 - NV11 crashes X if glxgears started

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=33999

--- Comment #6 from Alex Buell <alex.buell-XLQCo7u1tb3e9xe1eoZjHA@public.gmane.org> 2011-02-07 18:12:08 PST ---
I managed to get a backtrace:

Program received signal SIGSEGV, Segmentation fault.
0xb72d7821 in nouveau_dri2_create_buffer (pDraw=0x845e918, attachment=1,
format=0) at nouveau_dri2.c:72
72    nouveau_dri2.c: No such file or directory.
    in nouveau_dri2.c
(gdb) bt
#0  0xb72d7821 in nouveau_dri2_create_buffer (pDraw=0x845e918, attachment=1,
format=0) at nouveau_dri2.c:72
#1  0xb7327935 in ?? () from /usr/lib/xorg/modules/extensions/libdri2.so
#2  0xb7329ca0 in ?? () from /usr/lib/xorg/modules/extensions/libdri2.so
#3  0x08071e7f in Dispatch () at dispatch.c:432
#4  0x0806577a in main (argc=6, argv=0xbfbd3824, envp=0xbfbd3840) at main.c:291

The offending line of code that caused the crash is:

    nouveau_bo_handle_get(nouveau_pixmap(ppix)->bo, &nvbuf->base.name);

I'm not sure why it's crashing at this point but my guess is that it's probably
the ->bo that might be the cause. I'd be glad to help track the cause down. I
just need some input on how to proceed.

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[Bug 33999] 2.6.37 - NV11 crashes X if glxgears started

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=33999

--- Comment #7 from Alex Buell <alex.buell-XLQCo7u1tb3e9xe1eoZjHA@public.gmane.org> 2011-02-28 18:36:13 PST ---
Just a quick word to say I've traced it to memory allocation problems. The card
is a 32MB adapter living in a 64MB GART, with 16MB allocated to a scratch
buffer. Attempts to reduce the amount of memory allocated to the scratch buffer
ended in failure. The biggest allocation was 17MB, not sure what this was
allocated for. See http://ompldr.org/vN2x1eQ for some debugging in the nouveau
ddx driver. 

Ideas welcome on how to get this to work.

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[Bug 33999] 2.6.37 - NV11 crashes X if glxgears started

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=33999

--- Comment #8 from Alex Buell <alex.buell-XLQCo7u1tb3e9xe1eoZjHA@public.gmane.org> 2011-03-01 03:01:51 PST ---
http://cgit.freedesktop.org/nouveau/xf86-video-nouveau/commit/?id=ace98a492353e6de712f4f717e6d3f562e3591f0
fixes the crash in the X server. 
(thanks to pq)

There are still problems, but trying 2.6.38-rc6 at the moment.

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[Bug 33999] 2.6.37 - NV11 crashes X if glxgears started

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https://bugs.freedesktop.org/show_bug.cgi?id=33999

--- Comment #10 from maximlevitsky-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org 2011-12-05 14:43:20 UTC ---
Funny though, I just tested an NV11, in old box I played with today.

System itself has 256MB or ram, thus totally unusable even in xubuntu, but
nouveau does work and glxgears does work as well (glxinfo reports that nouveau,
nv11 driver is used).
Kudos, guys!

That card was Nvidia Geforce2 MX 200, with 32 MB of ram.
I just installed ubuntu 11.10 there.

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[Bug 33999] 2.6.37 - NV11 crashes X if glxgears started

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https://bugs.freedesktop.org/show_bug.cgi?id=33999

--- Comment #11 from Alex Buell <alex.buell-XLQCo7u1tb3e9xe1eoZjHA@public.gmane.org> 2011-12-05 15:32:47 UTC ---
(In reply to comment #10)
> Funny though, I just tested an NV11, in old box I played with today.
> 
> System itself has 256MB or ram, thus totally unusable even in xubuntu, but
> nouveau does work and glxgears does work as well (glxinfo reports that nouveau,
> nv11 driver is used).
> Kudos, guys!
> 
> That card was Nvidia Geforce2 MX 200, with 32 MB of ram.
> I just installed ubuntu 11.10 there.

How much graphic memory did you have on your box, and which versions of the
OpenGL stack did you use with which kernel, please?

I will be testing on my old laptop as well.

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[Bug 33999] 2.6.37 - NV11 crashes X if glxgears started

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https://bugs.freedesktop.org/show_bug.cgi?id=33999

--- Comment #9 from Marcin Slusarz <marcin.slusarz-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-12-05 13:35:36 PST ---
There were some patches to nouveau-git kernel and xf86-video-nouveau which
probably fix this bug. Please test it.

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[Bug 33999] 2.6.37 - NV11 crashes X if glxgears started

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https://bugs.freedesktop.org/show_bug.cgi?id=33999

--- Comment #12 from Alex Buell <alex.buell-XLQCo7u1tb3e9xe1eoZjHA@public.gmane.org> 2011-12-06 17:06:05 PST ---
(In reply to comment #11)

> I will be testing on my old laptop as well.

Just tested, glxinfo still crashes with a segfault. 

OpenGL stack used:

xf86-video-nouveau 0.0.16_pre20111109
mesa 7.11.2
xorg-server 1.10.4

Kernel:
3.1.0

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[Bug 33999] 2.6.37 - NV11 crashes X if glxgears started

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https://bugs.freedesktop.org/show_bug.cgi?id=33999

--- Comment #13 from Marcin Slusarz <marcin.slusarz-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-12-07 08:09:50 PST ---
Alex: you need kernel from nouveau git tree (see
http://nouveau.freedesktop.org/wiki/InstallDRM ).

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[Bug 33999] 2.6.37 - NV11 crashes X if glxgears started

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https://bugs.freedesktop.org/show_bug.cgi?id=33999

--- Comment #14 from Alex Buell <alex.buell-XLQCo7u1tb3e9xe1eoZjHA@public.gmane.org> 2012-04-13 17:33:32 PDT ---
(In reply to comment #13)
> Alex: you need kernel from nouveau git tree (see
> http://nouveau.freedesktop.org/wiki/InstallDRM ).

With 3.3.0, X no longer crashes. Tested on Gnome 3 in fallback mode. One small
problem is that if I try to start Gnome 3, it will die with an error. Using
fallback mode avoids the problem yet OpenGL programs seem to work just as well. 

Yay :)

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[Bug 33999] 2.6.37 - NV11 crashes X if glxgears started

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https://bugs.freedesktop.org/show_bug.cgi?id=33999

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

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

--- Comment #15 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
All the comments seem to indicate that the issue is fixed, updating status to
reflect that.

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