Nouveau - Aug 2013 - [Bug 68665] New: Crashing games when set AA to x2 on GTX760

https://bugs.freedesktop.org/show_bug.cgi?id=68665

          Priority: medium
            Bug ID: 68665
                CC: i.gnatenko.brain at gmail.com
          Assignee: nouveau at lists.freedesktop.org
           Summary: Crashing games when set AA to x2 on GTX760
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: i.gnatenko.brain at gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: 9.2
         Component: Drivers/DRI/nouveau
           Product: Mesa

Version: 9.2

I see many bugreports with this problem:
https://bugzilla.redhat.com/show_bug.cgi?id=1001714
https://bugzilla.redhat.com/show_bug.cgi?id=1001698
https://bugzilla.redhat.com/show_bug.cgi?id=1001740

I see always problem w/ pushbuf_dump. It's crashing w/ SIGSEGV. The same of:
Thread no. 1 (10 frames)
 #0 pushbuf_dump at pushbuf.c:296
 #1 pushbuf_submit at pushbuf.c:361
 #2 pushbuf_flush at pushbuf.c:402
 #3 nouveau_pushbuf_kick at pushbuf.c:773
 #4 PUSH_KICK at ../../../../src/gallium/drivers/nouveau/nouveau_winsys.h:56
 #5 nvc0_flush at nvc0_context.c:45
 #6 st_glFlush at ../../src/mesa/state_tracker/st_cb_flush.c:121
 #7 _mesa_make_current at ../../src/mesa/main/context.c:1455
 #8 st_api_make_current at ../../src/mesa/state_tracker/st_manager.c:737
 #9 dri_unbind_context at dri_context.c:217

All backtraces, some info in links to RHBZ. If you need additional info
you're
welcome.

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--- Comment #1 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Do you see anything in dmesg when this happens?

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--- Comment #2 from Igor Gnatenko <i.gnatenko.brain at gmail.com> ---
(In reply to comment #1)
> Do you see anything in dmesg when this happens?
Aug 27 14:26:43 Elias kernel: [15584.798799] nouveau E[  PGRAPH][0000:01:00.0]
DATA_ERROR [INVALID_VALUE] ch 5 [0x000007f73d supertuxkart[6691]] subc 1 class
0xa0c0 mthd 0x02e8 data 0x0040aaaa
Aug 27 14:26:43 Elias kernel: [15584.798816] nouveau E[  PGRAPH][0000:01:00.0]
DATA_ERROR [INVALID_VALUE] ch 5 [0x000007f73d supertuxkart[6691]] subc 1 class
0xa0c0 mthd 0x02f4 data 0x0040aaaa
Aug 27 14:27:22 Elias kernel: [15623.033892] nouveau E[  PGRAPH][0000:01:00.0]
DATA_ERROR [INVALID_VALUE] ch 5 [0x000007f73d supertuxkart[6709]] subc 1 class
0xa0c0 mthd 0x02e8 data 0x0040aaaa
Aug 27 14:27:22 Elias kernel: [15623.033912] nouveau E[  PGRAPH][0000:01:00.0]
DATA_ERROR [INVALID_VALUE] ch 5 [0x000007f73d supertuxkart[6709]] subc 1 class
0xa0c0 mthd 0x02f4 data 0x0040aaaa
Aug 27 15:51:56 Elias kernel: [20697.098486] nouveau E[  PGRAPH][0000:01:00.0]
DATA_ERROR [INVALID_VALUE] ch 5 [0x000007f73d supertuxkart[6867]] subc 1 class
0xa0c0 mthd 0x02e8 data 0x0040aaaa
Aug 27 15:51:56 Elias kernel: [20697.098503] nouveau E[  PGRAPH][0000:01:00.0]
DATA_ERROR [INVALID_VALUE] ch 5 [0x000007f73d supertuxkart[6867]] subc 1 class
0xa0c0 mthd 0x02f4 data 0x0040aaaa
Aug 27 15:51:56 Elias kernel: [20697.328287] traps: supertuxkart[6867] general
protection ip:7fed62c742af sp:7fff81412af0 error:0 in
libdrm_nouveau.so.2.0.0[7fed62c71000+6000]
Aug 27 15:51:57 Elias abrt[6878]: Saved core dump of pid 6867
(/usr/bin/supertuxkart) to /var/tmp/abrt/ccpp-2013-08-27-15:51:56-6867
(36970496 bytes)

In other bugreports I see the similar.

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Ilia Mirkin <imirkin at alum.mit.edu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Crashing games when set AA  |[NVE4] Crashing games when
                   |to x2 on GTX760             |set AA to x2 on GTX760

--- Comment #3 from Ilia Mirkin <imirkin at alum.mit.edu> ---
To answer my own question, from the linked bugs, there is:

Aug 27 16:51:15 Elias kernel: [24255.888373] nouveau E[  PGRAPH][0000:01:00.0]
DATA_ERROR [INVALID_VALUE] ch 5 [0x000007f73d xonotic-sdl[7519]] subc 1 class
0xa0c0 mthd 0x02f4 data 0x0040aaaa

Unfortunately, Igor, you're not the original reporter of these bugs, as I
understand it. (And more importantly, can't test potential fixes.) Hopefully
someone on the nouveau team has the requisite hardware to be able to test this
out. Given that it's a kepler card, I think it's important to make sure
that
the latest git kernel is used, as there are fixes not available in 3.10
regarding context switching and initialization. (Not sure if those are at fault
here, but it's good to get that out of the way.)

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--- Comment #4 from Igor Gnatenko <i.gnatenko.brain at gmail.com> ---
(In reply to comment #3)
> Unfortunately, Igor, you're not the original reporter of these bugs, as
I
> understand it. (And more importantly, can't test potential fixes.) 
You can write there and I can provide info for RHBZ reporter and conversely.

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Maarten Lankhorst <bugs at mblankhorst.nl> changed:

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

--- Comment #5 from Maarten Lankhorst <bugs at mblankhorst.nl> ---
Already fixed in 9.2, your snapshot is too old.

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--- Comment #6 from Igor Gnatenko <i.gnatenko.brain at gmail.com> ---
(In reply to comment #5)
> Already fixed in 9.2, your snapshot is too old.
Ok. We will update our mesa to 9.2. If we can reproduce this I will re-open
this bug. Thanks.

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Igor Gnatenko <i.gnatenko.brain at gmail.com> changed:

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

--- Comment #7 from Igor Gnatenko <i.gnatenko.brain at gmail.com> ---
Ok. We snapshotted git from 02 sep 2013. Problem is still present.
https://bugzilla.redhat.com/show_bug.cgi?id=1001714
https://bugzilla.redhat.com/show_bug.cgi?id=1004674
and older.

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--- Comment #8 from Ilia Mirkin <imirkin at alum.mit.edu> ---
There is no way to get the data ending with aaaa in the new code. If they're
still seeing it, it's still an old snapshot. (Of course, the problem may be
entirely unrelated to that error.) Fresh logs would be nice. And a debug mesa
build wouldn't hurt either, as that enables all sorts of extra checks.

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--- Comment #9 from Maarten Lankhorst <bugs at mblankhorst.nl> ---
revert b77316ad7594fa5873717992b6986cb4c0179d23, that should fix it

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--- Comment #10 from Igor Gnatenko <i.gnatenko.brain at gmail.com> ---
(In reply to comment #9)
> revert b77316ad7594fa5873717992b6986cb4c0179d23, that should fix it
yes. thats fixed problem.

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Maarten Lankhorst <bugs at mblankhorst.nl> changed:

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

--- Comment #11 from Maarten Lankhorst <bugs at mblankhorst.nl> ---
Fixed in master branch with commit b217d48364f368f541e53006af5dd56f664be24d.
"st/dri: do not create a new context for msaa copy"

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