[Bug 40630] New: nouveau: corrupted graphics after suspending/resuming

[Bug 40630] New: nouveau: corrupted graphics after suspending/resuming

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=40630

           Summary: nouveau: corrupted graphics after suspending/resuming
           Product: xorg
           Version: unspecified
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
        ReportedBy: diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
         QAContact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org


Description:

When I make my system go into suspend mode (pm-suspend), then I resume my
computer, my graphics get corrupted.

Then the only thing I can do is to reboot the computer to prevent the graphics
glitches to happen.

I have tried this with Linux 3.0.4, and 3.0.1 and I get the same problem with
both.

Hardware:

Intel(R) Core(TM)2 Duo CPU     E7500  @ 2.93GHz
2 GB RAM
01:00.0 VGA compatible controller: nVidia Corporation G96 [GeForce 9500 GT]
(rev a1)


Software:

Arch Linux x86-64
Linux 3.0.4
KDE 4.7
xorg-server 1.10.3.901-1
xf86-video-nouveau 0.0.16_git20110726-1

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[Bug 40630] nouveau: corrupted graphics after suspending/resuming

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https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #1 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-04 19:48:25 PDT ---
How to reproduce the problem:

1- install archlinux x86-64
2- pacman -Syu
3- install xf86-video-nouveau, nouveau-dri
4- install KDE4.
5- pm-suspend as root
6- resume the computer
7- watch the graphics glitches

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[Bug 40630] nouveau: corrupted graphics after suspending/resuming

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https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #2 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-04 19:50:29 PDT ---
Please note that I have OpenGL compositing turned to on in KWin, I have tried
to disable it but this problem still persists, I tried to restart X but the
problem is still there, the only workaround I found is to reboot the computer
completely, but as soon as I suspend my computer the graphics get corrupted
again.

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[Bug 40630] nouveau: corrupted graphics after suspending/resuming

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https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #3 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-04 19:53:33 PDT ---
Created an attachment (id=50904)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=50904)
NOUVEAU IRC LOG

if you need more detailed information please see the IRC log attached from
#nouveau. Or feel free to ask me questions, and I will gladly provide any help.

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[Bug 40630] nouveau: corrupted graphics after suspending/resuming

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #4 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-04 20:02:57 PDT ---
Created an attachment (id=50905)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=50905)
kernel log (dmesg)

Please find the dmesg attached, I have captured this dmesg after/when I have
reproduced the problem.

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[Bug 40630] nouveau: corrupted graphics after suspending/resuming

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #5 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-04 20:22:29 PDT ---
Created an attachment (id=50906)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=50906)
picture displaying the problem (graphics corruption)

Attached some pictures displaying the problem after having reproduced it.

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[Bug 40630] nouveau: corrupted graphics after suspending/resuming

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #6 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-04 20:24:14 PDT ---
Created an attachment (id=50907)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=50907)
Another picture displaying the problem

Another picture showing the problem.

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[Bug 40630] nouveau: corrupted graphics after suspending/resuming

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #7 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-04 20:26:08 PDT ---
Created an attachment (id=50908)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=50908)
one more picture showing the problem

One more picture showing the problem.

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[Bug 40630] nouveau: corrupted graphics after suspending/resuming

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https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #8 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-04 20:29:46 PDT ---
On the image that shows Firefox I have selected text and dragged around.

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[Bug 40630] nouveau: corrupted graphics after suspending/resuming

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #9 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-04 20:33:58 PDT ---
I also notice sometimes when calling krunner (ALT + F2) in KDE, then typing
something like "konsole", the pixels where krunner is will get all messed up
too, I don't even need to suspend to reproduce this, it doesn't always happen
but it happens most of the time, when I'm able to reproduce that I will take a
picture.

Thanks.

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[Bug 40630] nouveau: corrupted graphics after suspending/resuming computer

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https://bugs.freedesktop.org/show_bug.cgi?id=40630

Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|nouveau: corrupted graphics |nouveau: corrupted graphics
                   |after suspending/resuming   |after suspending/resuming
                   |                            |computer

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[Bug 40630] nouveau: corrupted graphics after suspending/resuming computer

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--- Comment #10 from maximlevitsky-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org 2011-09-05 09:18:42 PDT ---
I had exactly the same problem.
Then it looked like 2 bugs. One was in mesa and the way it didn't upload
relocations for constant buffer, and other problem possible was in kernel, but
I am not very sure about that, and anyway you have new enough kernel not to
worry about.

So please make sure you have recent enough mesa (7.11 should be enough).

Also to reproduce that easily (cat /sys/kernel/debug/dri/0/evict_vram) was
added.
Just read that file few times like that:

cat /sys/kernel/debug/dri/0/evict_vram

(That assumes you have debugfs mounted on /sys/kernel/debug)

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--- Comment #11 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-05 13:31:47 PDT ---
(In reply to comment #10)
> I had exactly the same problem.
> Then it looked like 2 bugs. One was in mesa and the way it didn't upload
> relocations for constant buffer, and other problem possible was in kernel, but
> I am not very sure about that, and anyway you have new enough kernel not to
> worry about.
> 
> So please make sure you have recent enough mesa (7.11 should be enough).
> 
> Also to reproduce that easily (cat /sys/kernel/debug/dri/0/evict_vram) was
> added.
> Just read that file few times like that:
> 
> cat /sys/kernel/debug/dri/0/evict_vram
> 
> (That assumes you have debugfs mounted on /sys/kernel/debug)

Hello, I have mesa 7.11-2.

[diego@myhost ~]$ pacman -Q mesa
mesa 7.11-2
[diego@myhost ~]$ 

I tried mounting debugfs to /sys/kernel/debug/ and reading
/sys/kernel/debug/dri/0/evict_vram a few times with cat but I cannot reproduce
the issue that way.

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[Bug 40630] nouveau: corrupted graphics after suspending/resuming computer

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https://bugs.freedesktop.org/show_bug.cgi?id=40630

Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Platform|Other                       |x86-64 (AMD64)
         OS/Version|All                         |Linux (All)

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[Bug 40630] nouveau: corrupted graphics after suspending/resuming computer

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https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #12 from maximlevitsky-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org 2011-09-05 14:11:51 PDT ---
could you try reading that debug file many times, possibly in a loop?
If that doesn't work, then its different issue I guess.

Please try to update to mesa from git, just in case issue is fixed there.

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[Bug 40630] nouveau: corrupted graphics after suspending/resuming computer

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--- Comment #13 from maximlevitsky-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org 2011-09-05 14:13:49 PDT ---
Another thing, try compiz and see if it has same issue.

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[Bug 40630] nouveau: corrupted graphics after suspending/resuming computer

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https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #14 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-05 15:55:36 PDT ---
(In reply to comment #12)
> could you try reading that debug file many times, possibly in a loop?
> If that doesn't work, then its different issue I guess.
> 
> Please try to update to mesa from git, just in case issue is fixed there.

I've been running "cat /sys/kernel/debug/dri/0/evict_vram" inside a while loop
for more than 1 hour and every 1 second.

$ while true; do cat /sys/kernel/debug/dri/0/evict_vram; sleep 1; done

but I couldn't reproduce the issue that way.

How can I upgrade mesa from git? Any instructions?

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[Bug 40630] nouveau: corrupted graphics after suspending/resuming computer

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https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #15 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-05 15:57:38 PDT ---
BTW running this has crashed my machine:

while true; do cat /sys/kernel/debug/dri/0/evict_vram; done

when I added "sleep 1" it didn't crash my machine, I believe I exhausted my
hardware.

but still, I couldn't reproduce the issue. Any instructions for upgrading mesa
to git?

Thanks.

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--- Comment #16 from maximlevitsky-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org 2011-09-05 16:10:45 PDT ---
Oh, I didn't mean to make you run that for a hour!, a few minutes should have
done it.
Its clear you have another bug.
So only suggestion left is to update mesa (and try compiz too).
Its not difficult at all to compile mesa, I can even guide you if you join IRC
now

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[Bug 40630] nouveau: corrupted graphics after suspending/resuming computer

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https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #17 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-05 16:46:04 PDT ---
(In reply to comment #16)
> Oh, I didn't mean to make you run that for a hour!, a few minutes should have
> done it.
> Its clear you have another bug.
> So only suggestion left is to update mesa (and try compiz too).
> Its not difficult at all to compile mesa, I can even guide you if you join IRC
> now

What's your nick on IRC?

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--- Comment #18 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-05 18:05:11 PDT ---
I tried compiz and changing window managers doesn't help, the corrupted graphic
issues are still there after doing a suspend/resume.

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[Bug 40630] nouveau: corrupted graphics after suspending/resuming computer

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--- Comment #19 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-06 14:03:01 PDT ---
Any ideas?

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[Bug 40630] nouveau: corrupted graphics after suspending/resuming computer

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--- Comment #20 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-06 16:34:04 PDT ---
I tried running openbox and kwin without opengl compositing and after
suspending/resuming it doesn't exhibit this problem.

the problem is only when opengl compositing is enabled.

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--- Comment #21 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-06 17:27:17 PDT ---
I have compiled libdrm and Mesa from Git, the problem still persists.

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--- Comment #22 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-06 18:59:13 PDT ---
Created an attachment (id=50946)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=50946)
glxgears after suspend/resume

We (MaximLevitsky and I) have found that any 3D apps doesn't survive
suspend/resume.

Whether I start glxgears after suspend/resume, the graphics looks corrupted.

screenshots of glxgears attached after suspend/resume (and also logs).

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--- Comment #23 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-06 18:59:41 PDT ---
Created an attachment (id=50947)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=50947)
glxgears after suspend/resume maximized

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maximlevitsky-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |maximlevitsky-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org

--- Comment #24 from maximlevitsky-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org 2011-09-06 19:25:15 PDT ---
So now we found that after suspend, starting glxgears (and that means pretty
much any 3D apps) produces the corruption found on screenshot in former
comment.

On first glxgear invocation after s2ram cycle, kernel log gets this:

[  297.625761] EXT4-fs (sda2): re-mounted. Opts: commit=0
[  297.628545] EXT4-fs (sda3): re-mounted. Opts: commit=0
[  306.243318] eth0: no IPv6 routers present
[  347.083807] [drm] nouveau 0000:01:00.0: PGRAPH - TRAP_MP - TP0: Unhandled
ustatus 0x00020000
[  347.083812] [drm] nouveau 0000:01:00.0: PGRAPH - TRAP
[  347.083818] [drm] nouveau 0000:01:00.0: PGRAPH - ch 5 (0x0001b07000) subc 5
class 0x8297 mthd 0x1b0c data 0x1000f010

According to envytools, its TP0.MPC_TRAP bit MP1.

The failing PFIFO method doesn't always present in kernel log (eg it wasn't
there when we tested compiz) and it decodes to QUERY_GET method.

Any ideas?

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--- Comment #25 from maximlevitsky-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org 2011-09-08 17:24:42 PDT ---
OK. After making kernel handle the TP1 error bit, the error was decoded, and
tried several times. These are errors we got:

1st try:

[drm] nouveau 0000:01:00.0: PGRAPH_TRAP_MP_EXEC - TP 0 MP 1: INVALID_OPCODE at
07bf00 warp 9, opcode ffc8c2bf ffc8c2bf
[drm] nouveau 0000:01:00.0: PGRAPH - TRAP
[drm] nouveau 0000:01:00.0: PGRAPH - ch 5 (0x0001430000) subc 5 class 0x8297
mthd 0x0f04 data 0x3f4b6dfa

2nd try:

[drm] nouveau 0000:01:00.0: PGRAPH_TRAP_MP_EXEC - TP 0 MP 1: INVALID_OPCODE at
07bf00 warp 1, opcode ff1f515e ff1f515e
[drm] nouveau 0000:01:00.0: PGRAPH - TRAP
[drm] nouveau 0000:01:00.0: PGRAPH - ch 4 (0x0001cd1000) subc 5 class 0x8297
mthd 0x1b0c data 0x1000f010

3rd try:

[drm] nouveau 0000:01:00.0: PGRAPH_TRAP_MP_EXEC - TP 0 MP 1: INVALID_OPCODE at
07bf00 warp 13, opcode ff1f515e ff1f515e
[drm] nouveau 0000:01:00.0: PGRAPH - TRAP
[drm] nouveau 0000:01:00.0: PGRAPH - ch 4 (0x0001930000) subc 5 class 0x8297
mthd 0x1b0c data 0x1000f010

4rd try:

[drm] nouveau 0000:01:00.0: PGRAPH_TRAP_MP_EXEC - TP 0 MP 1: INVALID_OPCODE at
07c000 warp 1, opcode ffc7c1bf ffc7c1bf
[drm] nouveau 0000:01:00.0: PGRAPH - TRAP
[drm] nouveau 0000:01:00.0: PGRAPH - ch 5 (0x000322c000) subc 5 class 0x8297
mthd 0x1b0c data 0x1000f010


It was also found that 2d usage after resume from ram and/or xvideo playback
don't trigger that MP fault.

Also following suggestions from Marcin Slusarz were tried:


We tried to restart X after resume from ram, and once again no errors.
We tried running rendercheck -tblend, just 9 out of 18 tests passed, but no TP
error.

Its somewhat strange as if nouveau drm module didn't restore some of TP/MP
state, the error should have being triggered by X as it does use shaders that
have to choice but to run on MP/TPs.

Also running just glxinfo was attempted. That does all the 3d init but doesn't
render anything (I checked this). No errors.

Thats is ***ing strange, that all I can say, and I am out of ideas for now.

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Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|nouveau: corrupted graphics |nouveau: corrupted graphics
                   |after suspending/resuming   |after suspend/resume
                   |computer                    |computer

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--- Comment #26 from maximlevitsky-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org 2011-09-08 18:28:52 PDT ---
Same problem when doing hibernate, even using 'shutdown' mode.
So no magic missing help from bios on resume of screwup from bios on resume is
expected.

Another sample:

[drm] nouveau 0000:01:00.0: PGRAPH_TRAP_MP_EXEC - TP 0 MP 1: INVALID_OPCODE at
07bf00 warp 1, opcode ff1f515e ff1f515e
[drm] nouveau 0000:01:00.0: PGRAPH - TRAP
[drm] nouveau 0000:01:00.0: PGRAPH - ch 4 (0x0001ccd000) subc 5 class 0x8297
mthd 0x1b0c data 0x1000f010

And another:

[drm] nouveau 0000:01:00.0: PGRAPH_TRAP_MP_EXEC - TP 0 MP 1: INVALID_OPCODE at
07bf00 warp 12, opcode 00000000 00000000
[drm] nouveau 0000:01:00.0: PGRAPH - TRAP
[drm] nouveau 0000:01:00.0: PGRAPH - ch 4 (0x0001319000) subc 5 class 0x8297
mthd 0x1b0c data 0x1000f010

All errors suggest that always MP1 of TP0 executes random garbage code.
So maybe, maybe......

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Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|nouveau: corrupted graphics |nouveau: corrupted graphics
                   |after suspend/resume        |after suspend/hibernate
                   |computer                    |computer

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Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|nouveau: corrupted graphics |nouveau: corrupted graphics
                   |after suspend/hibernate     |after suspend/hibernate
                   |computer                    |

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Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|nouveau: corrupted graphics |nouveau: corrupted
                   |after suspend/hibernate     |opengl/3d/composited
                   |                            |graphics after
                   |                            |suspend/hibernate

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--- Comment #27 from maximlevitsky-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org 2011-09-08 22:11:45 PDT ---
So I did a shot in the dark and I almost scored.
This what I found:

nouveau gallium3d driver reserves 3x512KB buffers for each shader type.
We reduced this to 3x32K buffers and problem gone!
(Although one crash with kwin and glxgears was reported, not clear yet it it
was related).

Its not easy to say what is going on, but suggestions that I have in mind:

1. memory allocation failure that goes somehow silent or other similar ttm
related bug. knowing about all the titanic memory moving it might be the case
after all (the system has 1GB of vram and 2GB of system memory...)

2. Issues with VM, for example large pages that might be involved and somewhat
disabled.

3. Issues with TLB??

4. ????

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--- Comment #28 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-09 03:07:35 PDT ---
Hi,

I've been playing Nexuiz for at least 2 hours at 1680x1050 with effects set to
High, the FPS I get with my card is 30-45 FPS.

I don't get corrupted graphics anymore, and I managed to suspend/hibernate
WHILE playing the game and the game didn't crash a single time while doing
suspend/hibernate, which I find impressive.

So the game runs stable, but it I also got 2 or 3 crashes, what was the command
for getting a trace? I don't get corrupted graphics anymore, which is nice.

Thanks Naxim, I'm very impressed with Nouveau, it rocks.

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--- Comment #29 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-09 03:19:50 PDT ---
calim's response to this issue on #nouveau:

06:06 < calim> diegoviola: that has to be some issue with kernel not restoring
VRAM properly, the addresses the MP executes at look sane but the RAM contents
are obviously garbage

06:11 < calim> reducing the size of some buffer just hides the issue though
06:12 < calim> or it might step over the large/small pages boundary, could be a
hint

06:13 < calim> he's already thought about all that

06:13 < calim> s/about/of
06:13 < calim> will probably have to look at the kernel's suspend code next
06:14 < calim> I mean nouveau's suspend code

06:16 < calim> maybe double the size (from 32 KiB up to the original 512 KiB)
and check at which point it starts to fail to see if it really is the
large-pages allocation boundary

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--- Comment #30 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-09 22:21:03 PDT ---
I've just tried the latest kernel from git, and the error is still there. I get
corrupted graphics after doing a suspend/resume on glxgears.

[diego@myhost ~]$ uname -a
Linux myhost 3.1.0-rc5+ #1 SMP Sat Sep 10 01:15:44 PYT 2011 x86_64 Intel(R)
Core(TM)2 Duo CPU E7500 @ 2.93GHz GenuineIntel GNU/Linux
[diego@myhost ~]$

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--- Comment #31 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-09 22:22:44 PDT ---
I get this with the latest kernel from git head.

[drm] nouveau 0000:01:00.0: PGRAPH - TRAP_MP - TP0: Unhandled ustatus
0x00020000
[drm] nouveau 0000:01:00.0: PGRAPH - TRAP
[drm] nouveau 0000:01:00.0: PGRAPH - ch 4 (0x0001e81000) subc 5 class 0x8297
mthd 0x1b0c data 0x1000f010


[diego@myhost ~]$ uname -a
Linux myhost 3.1.0-rc5+ #1 SMP Sat Sep 10 01:15:44 PYT 2011 x86_64 Intel(R)
Core(TM)2 Duo CPU E7500 @ 2.93GHz GenuineIntel GNU/Linux
[diego@myhost ~]$

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--- Comment #32 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-09 22:26:20 PDT ---
Created an attachment (id=51024)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=51024)
kernel .config

attached my kernel .config file, used for 3.0.4 and 3.1.0-rc5+ (git head)

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Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #51024|.config                     |.config.txt
           filename|                            |

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Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #51024|.config.txt                 |.config
           filename|                            |

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--- Comment #33 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-09 22:30:22 PDT ---
Created an attachment (id=51025)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=51025)
kernel .config

reattach kernel config as text file

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--- Comment #34 from maximlevitsky-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org 2011-09-10 08:14:46 PDT ---
Thanks for testing the latest kernel, and sadly as you see the problem is still
there.

This is a summary of findings of findings so far:

1. Fault always happens in MP1 of TP0, after resume from ram

2. It doesn't matter if program was run through suspend 
    or launched afrer suspend.

3. It doesn't matter if there was suspend or hibernate, 
   even hibernate without BIOS suport (echo shutdown > /sys/power/disk)

4. Actual size of allocated buffer doesn't matter. However just pretending that
we 
   allocated smaller buffers for each code type (by passing smaller size to
   nouveau_resource_alloc fixes the issue. (32K was largest size that was
working)

5. Buffers that glxgears happen to upload (tested on his and my system and
apppears 
   not to change:

   7fc00 - 2nd vertex shader - 392 bytes
   7fe00 - vertex shader 392 bytes
   fff00 - pixel shader - 24 bytes

   However fault address is almost always 7bf00 or something very close to it 
   (7bf08, 7c000)

   That address is way outside the areas that were uploaded.

6. Filling whole code buffer with pattern (using nouveau_bo_map) with pattern
made 
   TP1 execute that pattern once again at 7bf00. Tested many tumes.
   However if in addition to doing so, the code buffer upload was skipped, all
TPs 
   (all 4 of them) faulted in tandem at 7fc00 trying to execute the pattern.

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--- Comment #35 from maximlevitsky-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org 2011-09-10 08:41:20 PDT ---
Small update and corrections:

This is a summary of findings  so far:

1. Fault always happens in MP1 of TP0, after resume from ram
   That's of course very strange

2. It doesn't matter if program was run through suspend 
    or launched afrer suspend.
   Which means that its not an error of preserving channel/program state
   through suspend. Everything is uploaded new after the program starts.

3. It doesn't matter if there was suspend or hibernate, 
   even hibernate without BIOS suport (echo shutdown > /sys/power/disk)
   Or in other words 'magic init' done on boot but missing after resume,
   or opposite a screwup by bios after resume is ruled out.

4. Actual size of allocated buffer doesn't matter. However just 
   pretending that we allocated smaller buffers for each code type 
   (by passing  smaller size to nouveau_resource_alloc fixes the issue. 
   (32K was largest size that was working)
   Also support for large pages was disabled in kernel and that didn't help.
   This means that its not allocation, failure. It could be memory copy failure
   though, although initially buffer is allocated in video ram.

   This also means that the _code offset_ is what matters.
   In addition to that note that code was uploaded by SIFC but it takes end 
   address of area to copy to, thus really offset from start of out buffer 
   shouldn't matter.

5. Buffers that glxgears happen to upload (tested on his and my system and
   appears not to change:

   7fc00 - 2nd vertex shader - 392 bytes
   7fe00 - vertex shader 392 bytes
   fff00 - pixel shader - 24 bytes

   However fault address is almost always 7bf00 or something very close to it 
   (7bf08, 7c000)

   That address is way outside the areas that were uploaded, which means that
   TP1 really executes undefined code that just wasn't uploaded.

   Filling the whole code buffer with pattern (using nouveau_bo_map) with 
   pattern made  TP1 execute that pattern once again at 7bf00. Tested 
   many times.
   However if in addition to doing so, the code buffer upload was skipped, all
   TPs  (all 4 of them) faulted in tandem at 7fe00 (vertex shader) trying to
   execute the  pattern.

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--- Comment #36 from maximlevitsky-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org 2011-09-10 19:53:44 PDT ---
OK, we tested and memory is correctly uploaded. Also did a dump of pushbuffers,
and nouveau does set the address of code to execute correctly.

Yet, for some damn reason GPU still executes from undefined location.

OK, we mmiotraced the blob, extracted ctxvals/ctxprog, and yes, problem
disappeared. Also it was noted that some graphical corruptions disappeared.

So, folks we really need better coverage of ctxprog and especially ctxvals,
because these seems to contain chipset revision specific workarounds....

Could we allow to load ctxprog/vals of nvidia then? so that users could do that
in easier way that patch their kernel?

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--- Comment #37 from maximlevitsky-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org 2011-09-10 19:55:33 PDT ---
Created an attachment (id=51036)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=51036)
ctxvals mmiotrace

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--- Comment #38 from maximlevitsky-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org 2011-09-10 19:56:03 PDT ---
Created an attachment (id=51037)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=51037)
ctxprog mmiotrace

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--- Comment #39 from maximlevitsky-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org 2011-09-10 20:03:20 PDT ---
Created an attachment (id=51038)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=51038)
ctxprog prepared for loading

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--- Comment #40 from maximlevitsky-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org 2011-09-10 20:04:07 PDT ---
Created an attachment (id=51039)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=51039)
ctxvals prepared for load

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--- Comment #41 from maximlevitsky-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org 2011-09-10 20:05:42 PDT ---
Created an attachment (id=51040)
 View: https://bugs.freedesktop.org/attachment.cgi?id=51040
 Review: https://bugs.freedesktop.org/review?bug=40630&attachment=51040

patch to allow nouveau load binary ctxprog

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--- Comment #42 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-10 20:43:30 PDT ---
I was playing Nexuiz, got some hang while playing, had to reboot the computer.

Unfortunately when running this I get no such file or directory (after reboot)

[root@myhost ~]# cat /sys/kernel/debug/printk/crash_dmesg | strings
cat: /sys/kernel/debug/printk/crash_dmesg: No such file or directory
[root@myhost ~]#

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--- Comment #43 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-10 20:59:10 PDT ---
(In reply to comment #42)
> I was playing Nexuiz, got some hang while playing, had to reboot the computer.
> 
> Unfortunately when running this I get no such file or directory (after reboot)
> 
> [root@myhost ~]# cat /sys/kernel/debug/printk/crash_dmesg | strings
> cat: /sys/kernel/debug/printk/crash_dmesg: No such file or directory
> [root@myhost ~]#

I'm very happy that I'm able to suspend/hibernate and graphics don't get
screwed anytime though, the stability seems to have improved a lot. Thanks!

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--- Comment #44 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-10 21:27:00 PDT ---
I've been playing Nexuiz at max resolution with effects set to max for
something like 2 hours and I only managed to crash it once, I'd say it's
working very well. Great Work!

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--- Comment #45 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-10 21:53:39 PDT ---
I got a crash in SuperTuxKart as well.

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--- Comment #46 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-10 22:08:40 PDT ---
s/anytime/anymore/g

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[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #47 from maximlevitsky-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org 2011-09-10 22:10:01 PDT ---
Thats because you don't have my blackbox patch applied

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[Bug 40630] nouveau: corrupted opengl/3d/composited graphics after suspend/hibernate

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https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #48 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-10 22:12:13 PDT ---
(In reply to comment #47)
> Thats because you don't have my blackbox patch applied

could you please upload your patch here?

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[Bug 40630] nouveau: corrupted opengl/3d/composited graphics after suspend/hibernate

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--- Comment #49 from maximlevitsky-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org 2011-09-10 22:12:37 PDT ---
Created an attachment (id=51042)
 View: https://bugs.freedesktop.org/attachment.cgi?id=51042
 Review: https://bugs.freedesktop.org/review?bug=40630&attachment=51042

retrieve kernel log after crash patch

When compiling kernel enable CONFIG_HWMEM_PRINTK.
or as it called in decription, 'Log printk message buffer into fixed physical
address' in kernel hacking->kernel debugging.

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[Bug 40630] nouveau: corrupted opengl/3d/composited graphics after suspend/hibernate

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https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #50 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-10 22:13:51 PDT ---
(In reply to comment #48)
> (In reply to comment #47)
> > Thats because you don't have my blackbox patch applied
> 
> could you please upload your patch here?

I have your patch applied to my 3.0.4 kernel, but not in 3.1.0-rc5+ (git) I
believe.

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--- Comment #51 from maximlevitsky-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org 2011-09-10 22:16:35 PDT ---
And you need to use 3.1.0-rc5+ because as you remember we put there patch that
loads nvidia's ctxprog

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https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #52 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-10 22:24:33 PDT ---
(In reply to comment #51)
> And you need to use 3.1.0-rc5+ because as you remember we put there patch that
> loads nvidia's ctxprog

Correct. I will just SSH in next time I get a hang, if I can make it hang, and
get the dmesg. I will report here anything I find. Thanks.

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--- Comment #53 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-10 22:40:12 PDT ---
I've noticed this on my dmesg now:

[drm] nouveau 0000:01:00.0: PGRAPH - TRAP_VFETCH FAULT
[drm] nouveau 0000:01:00.0: PGRAPH - TRAP_VFETCH 00f00000 0000fe0c 00000000
00000000
[drm] nouveau 0000:01:00.0: PGRAPH - TRAP
[drm] nouveau 0000:01:00.0: PGRAPH - ch 5 (0x00078b0000) subc 5 class 0x8297
mthd 0x15f0 data 0x01000000
[drm] nouveau 0000:01:00.0: VM: trapped read at 0x0000000000 on ch 5
[0x000078b0] PGRAPH/VFETCH/00 reason: PT_NOT_PRESENT

https://gist.github.com/1209217

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--- Comment #54 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-10 22:55:02 PDT ---
Got this now (while playing Nexuiz) -- I got no crashes this time but this
error in dmesg:

[diego@myhost ~]$ dmesg
[drm] nouveau 0000:01:00.0: firmware ctxvals loaded
uhci_hcd 0000:00:1d.3: reserve dev 2 ep01-ISO, period 1, phase 0, 158 us
uhci_hcd 0000:00:1d.3: release dev 2 ep01-ISO, period 1, phase 0, 158 us
uhci_hcd 0000:00:1d.3: reserve dev 2 ep01-ISO, period 1, phase 0, 158 us
[drm] nouveau 0000:01:00.0: firmware ctxvals loaded
[drm] nouveau 0000:01:00.0: firmware ctxvals loaded
[drm] nouveau 0000:01:00.0: PGRAPH - TRAP_VFETCH FAULT
[drm] nouveau 0000:01:00.0: PGRAPH - TRAP_VFETCH 00f00000 0000fe0c 00000000
00000000
[drm] nouveau 0000:01:00.0: PGRAPH - TRAP
[drm] nouveau 0000:01:00.0: PGRAPH - ch 5 (0x000f7b0000) subc 5 class 0x8297
mthd 0x15f0 data 0x00000000
[drm] nouveau 0000:01:00.0: VM: trapped read at 0x0000000000 on ch 5
[0x0000f7b0] PGRAPH/VFETCH/00 reason: PT_NOT_PRESENT
uhci_hcd 0000:00:1d.3: release dev 2 ep01-ISO, period 1, phase 0, 158 us
[diego@myhost ~]$ 


As you can see, I did a "dmesg -c" before, so I make sure I go this now.

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[Bug 40630] nouveau: corrupted opengl/3d/composited graphics after suspend/hibernate

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https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #55 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-10 23:34:18 PDT ---
(In reply to comment #54)
> Got this now (while playing Nexuiz) -- I got no crashes this time but this
> error in dmesg:
> 
> [diego@myhost ~]$ dmesg
> [drm] nouveau 0000:01:00.0: firmware ctxvals loaded
> uhci_hcd 0000:00:1d.3: reserve dev 2 ep01-ISO, period 1, phase 0, 158 us
> uhci_hcd 0000:00:1d.3: release dev 2 ep01-ISO, period 1, phase 0, 158 us
> uhci_hcd 0000:00:1d.3: reserve dev 2 ep01-ISO, period 1, phase 0, 158 us
> [drm] nouveau 0000:01:00.0: firmware ctxvals loaded
> [drm] nouveau 0000:01:00.0: firmware ctxvals loaded
> [drm] nouveau 0000:01:00.0: PGRAPH - TRAP_VFETCH FAULT
> [drm] nouveau 0000:01:00.0: PGRAPH - TRAP_VFETCH 00f00000 0000fe0c 00000000
> 00000000
> [drm] nouveau 0000:01:00.0: PGRAPH - TRAP
> [drm] nouveau 0000:01:00.0: PGRAPH - ch 5 (0x000f7b0000) subc 5 class 0x8297
> mthd 0x15f0 data 0x00000000
> [drm] nouveau 0000:01:00.0: VM: trapped read at 0x0000000000 on ch 5
> [0x0000f7b0] PGRAPH/VFETCH/00 reason: PT_NOT_PRESENT
> uhci_hcd 0000:00:1d.3: release dev 2 ep01-ISO, period 1, phase 0, 158 us
> [diego@myhost ~]$ 
> 
> 
> As you can see, I did a "dmesg -c" before, so I make sure I go this now.

s/go/got/g

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--- Comment #56 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-11 00:07:40 PDT ---
Again (while playing Nexuis) -- no crashes.


[diego@myhost ~]$ dmesg
[drm] nouveau 0000:01:00.0: firmware ctxvals loaded
uhci_hcd 0000:00:1d.3: reserve dev 2 ep01-ISO, period 1, phase 0, 158 us
uhci_hcd 0000:00:1d.3: release dev 2 ep01-ISO, period 1, phase 0, 158 us
uhci_hcd 0000:00:1d.3: reserve dev 2 ep01-ISO, period 1, phase 0, 158 us
uhci_hcd 0000:00:1d.3: release dev 2 ep01-ISO, period 1, phase 0, 158 us
uhci_hcd 0000:00:1d.3: reserve dev 2 ep01-ISO, period 1, phase 0, 158 us
uhci_hcd 0000:00:1d.3: release dev 2 ep01-ISO, period 1, phase 0, 158 us
uhci_hcd 0000:00:1d.3: reserve dev 2 ep01-ISO, period 1, phase 0, 158 us
process `skype' is using obsolete setsockopt SO_BSDCOMPAT
uhci_hcd 0000:00:1d.3: release dev 2 ep01-ISO, period 1, phase 0, 158 us
uhci_hcd 0000:00:1d.3: reserve dev 2 ep01-ISO, period 1, phase 0, 158 us
uhci_hcd 0000:00:1d.3: release dev 2 ep01-ISO, period 1, phase 0, 158 us
uhci_hcd 0000:00:1d.3: reserve dev 2 ep01-ISO, period 1, phase 0, 158 us
uhci_hcd 0000:00:1d.3: release dev 2 ep01-ISO, period 1, phase 0, 158 us
uhci_hcd 0000:00:1d.3: reserve dev 2 ep01-ISO, period 1, phase 0, 158 us
uhci_hcd 0000:00:1d.3: release dev 2 ep01-ISO, period 1, phase 0, 158 us
uhci_hcd 0000:00:1d.3: reserve dev 2 ep01-ISO, period 1, phase 0, 158 us
uhci_hcd 0000:00:1d.3: release dev 2 ep01-ISO, period 1, phase 0, 158 us
uhci_hcd 0000:00:1d.3: reserve dev 2 ep01-ISO, period 1, phase 0, 158 us
uhci_hcd 0000:00:1d.3: release dev 2 ep01-ISO, period 1, phase 0, 158 us
uhci_hcd 0000:00:1d.3: reserve dev 2 ep01-ISO, period 1, phase 0, 158 us
uhci_hcd 0000:00:1d.3: release dev 2 ep01-ISO, period 1, phase 0, 158 us
[drm] nouveau 0000:01:00.0: firmware ctxvals loaded
uhci_hcd 0000:00:1d.3: reserve dev 2 ep01-ISO, period 1, phase 0, 158 us
uhci_hcd 0000:00:1d.3: release dev 2 ep01-ISO, period 1, phase 0, 158 us
uhci_hcd 0000:00:1d.3: reserve dev 2 ep01-ISO, period 1, phase 0, 158 us
[drm] nouveau 0000:01:00.0: PGRAPH - TRAP_VFETCH FAULT
[drm] nouveau 0000:01:00.0: PGRAPH - TRAP_VFETCH 00f00000 0000fe0c 00000000
00000000
[drm] nouveau 0000:01:00.0: PGRAPH - TRAP
[drm] nouveau 0000:01:00.0: PGRAPH - ch 5 (0x00064f0000) subc 5 class 0x8297
mthd 0x0f04 data 0x00000000
[drm] nouveau 0000:01:00.0: VM: trapped read at 0x0000000000 on ch 5
[0x000064f0] PGRAPH/VFETCH/00 reason: PT_NOT_PRESENT
[diego@myhost ~]$

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[Bug 40630] nouveau: corrupted opengl/3d/composited graphics after suspend/hibernate

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https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #57 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-11 02:45:29 PDT ---
Created an attachment (id=51046)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=51046)
SuperTuxKart crash AFTER suspend dmesg (KERNEL LOG)

SuperTuxKart just froze my machine again AFTER suspend/resume, it crashed/froze
my whole machine basically, and I had to reboot, but I managed to SSH-in and
get the dmesg (see the file attached)

The interesting bit seems to be this:

[drm] nouveau 0000:01:00.0: Failed to idle channel 5.

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--- Comment #58 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-11 16:56:10 PDT ---
I've been using KDE 4.7.1 (kwin with opengl compositing) enabled most of the
time, and playing games NOT in suspend mode and it's table that way.

Most of the crashes with games happens AFTER suspending.

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--- Comment #59 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-11 19:15:00 PDT ---
I suspended my computer (tm-suspend as root) then played SuperTuxKart and after
completing the first race it just hung my computer.

I sssh-in and did a dmesg, here is the relevant log:

[drm] nouveau 0000:01:00.0: firmware ctxvals loaded
[drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
0x00000001 0x00000000 0x00000000
[drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
0x00000001 0x00000000 0x00000000
[drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
0x00000001 0x00000000 0x00000000
[drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
0x00000001 0x00000000 0x00000000
[drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
0x00000001 0x00000000 0x00000000
[drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
0x00000001 0x00000000 0x00000000
[drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
0x00000001 0x00000000 0x00000000
[drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
0x00000001 0x00000000 0x00000000
[drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
0x00000001 0x00000000 0x00000000
[drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
0x00000001 0x00000000 0x00000000
[drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
0x00000001 0x00000000 0x00000000
[drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
0x00000001 0x00000000 0x00000000
[drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
0x00000001 0x00000000 0x00000000
[drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
0x00000001 0x00000000 0x00000000
[drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
0x00000001 0x00000000 0x00000000
[drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
0x00000001 0x00000000 0x00000000
[drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
0x00000001 0x00000000 0x00000000
[drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
0x00000001 0x00000000 0x00000000
[drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
0x00000001 0x00000000 0x00000000
[drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
0x00000001 0x00000000 0x00000000
[drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
0x00000001 0x00000000 0x00000000
[drm] nouveau 0000:01:00.0: Failed to idle channel 5.
[drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
0x00000001 0x00000000 0x00000000
[drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
0x00000001 0x00000000 0x00000000
[drm] nouveau 0000:01:00.0: PGRAPH idle timed out with status 0x00000203
[drm] nouveau 0000:01:00.0: PGRAPH idle timed out with status 0x00000303
[drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000303
0x00000001 0x00000000 0x00000000

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--- Comment #60 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-11 19:15:37 PDT ---
pm-suspend, sorry

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--- Comment #61 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-11 19:19:15 PDT ---
(In reply to comment #59)
> I suspended my computer (tm-suspend as root) then played SuperTuxKart and after
> completing the first race it just hung my computer.
> 
> I sssh-in and did a dmesg, here is the relevant log:
> 
> [drm] nouveau 0000:01:00.0: firmware ctxvals loaded
> [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
> 0x00000001 0x00000000 0x00000000
> [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
> 0x00000001 0x00000000 0x00000000
> [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
> 0x00000001 0x00000000 0x00000000
> [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
> 0x00000001 0x00000000 0x00000000
> [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
> 0x00000001 0x00000000 0x00000000
> [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
> 0x00000001 0x00000000 0x00000000
> [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
> 0x00000001 0x00000000 0x00000000
> [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
> 0x00000001 0x00000000 0x00000000
> [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
> 0x00000001 0x00000000 0x00000000
> [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
> 0x00000001 0x00000000 0x00000000
> [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
> 0x00000001 0x00000000 0x00000000
> [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
> 0x00000001 0x00000000 0x00000000
> [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
> 0x00000001 0x00000000 0x00000000
> [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
> 0x00000001 0x00000000 0x00000000
> [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
> 0x00000001 0x00000000 0x00000000
> [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
> 0x00000001 0x00000000 0x00000000
> [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
> 0x00000001 0x00000000 0x00000000
> [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
> 0x00000001 0x00000000 0x00000000
> [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
> 0x00000001 0x00000000 0x00000000
> [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
> 0x00000001 0x00000000 0x00000000
> [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
> 0x00000001 0x00000000 0x00000000
> [drm] nouveau 0000:01:00.0: Failed to idle channel 5.
> [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
> 0x00000001 0x00000000 0x00000000
> [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000203
> 0x00000001 0x00000000 0x00000000
> [drm] nouveau 0000:01:00.0: PGRAPH idle timed out with status 0x00000203
> [drm] nouveau 0000:01:00.0: PGRAPH idle timed out with status 0x00000303
> [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x00000303
> 0x00000001 0x00000000 0x00000000

The last time it crashed I was running the game in windowed mode at max
resolution (1680x1050). AFTER suspending.

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--- Comment #62 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-11 20:49:01 PDT ---
I've tried running Doom 3 (without suspending my machine) and it ran very slow
(4 FPS), and Doom 3 thought I had only 64 MB of VRAM, wtf?

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--- Comment #63 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-11 20:49:39 PDT ---
Doom 3 didn't crash though, but it was very slow.

I managed to run "timedemo demo1" and it passed the test but very slowly (4
FPS)

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[Bug 40630] nouveau: corrupted opengl/3d/composited graphics after suspend/hibernate

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #64 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-11 21:15:23 PDT ---
Sorry!

I was missing some lib32 libs, like DRI and mesa (32 bits), now I installed
those and Doom 3 runs freaking FAST!

60+ FPS :D

And runs stable too (without suspending)

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[Bug 40630] nouveau: corrupted opengl/3d/composited graphics after suspend/hibernate

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #65 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-13 04:26:05 PDT ---
maybe we should open another bug report for the crashes that happens after
suspending, as this one is for the graphics corruption after suspend.

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[Bug 40630] nouveau: corrupted opengl/3d/composited graphics after suspend/hibernate

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #66 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-15 05:37:07 PDT ---
Hello,

I tried running SuperTuxKart after suspend and it crahsed as usual.

Then I tried your suggestion: suspend without X, resume, unbind, restart
nouveau module with your script, start X and play SuperTuxKart, but it crashed
after playing for a while (1-2 laps).

I did a dmesg from my laptop via SSH on the affected computer and found nothing
interesting, excpet this line:

[drm] nouveau 0000:01:00.0: Failed to idle channel 4.
[drm] nouveau 0000:01:00.0: GPU lockup - switching to software fbcon
[drm] nouveau 0000:01:00.0: Failed to idle channel 2.

I tried looking in Xorg.0.log as well but found nothing interesting as well.

Any ideas?

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[Bug 40630] nouveau becomes very unstable after suspend/hibernate/resume (opengl/3d/composited graphics and hangs) GeForce 9500 GT

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=40630

Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|nouveau: corrupted          |nouveau becomes very
                   |opengl/3d/composited        |unstable after
                   |graphics after              |suspend/hibernate/resume
                   |suspend/hibernate           |(opengl/3d/composited
                   |                            |graphics and hangs) GeForce
                   |                            |9500 GT

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[Bug 40630] nouveau becomes very unstable after suspend/hibernate/resume (corrupted opengl/3d/composited graphics and hangs) GeForce 9500 GT

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https://bugs.freedesktop.org/show_bug.cgi?id=40630

Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|nouveau becomes very        |nouveau becomes very
                   |unstable after              |unstable after
                   |suspend/hibernate/resume    |suspend/hibernate/resume
                   |(opengl/3d/composited       |(corrupted
                   |graphics and hangs) GeForce |opengl/3d/composited
                   |9500 GT                     |graphics and hangs) GeForce
                   |                            |9500 GT

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[Bug 40630] nouveau becomes very unstable after suspend/hibernate/resume (corrupted opengl/3d/composited graphics and hangs) GeForce 9500 GT

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #67 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-15 05:55:19 PDT ---
Just updated the title to something that describes the current problem better.

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[Bug 40630] nouveau becomes very unstable after suspend/hibernate/resume (corrupted opengl/3d/composited graphics and opengl applications hangs) GeForce 9500 GT

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=40630

Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|nouveau becomes very        |nouveau becomes very
                   |unstable after              |unstable after
                   |suspend/hibernate/resume    |suspend/hibernate/resume
                   |(corrupted                  |(corrupted
                   |opengl/3d/composited        |opengl/3d/composited
                   |graphics and hangs) GeForce |graphics and opengl
                   |9500 GT                     |applications hangs) GeForce
                   |                            |9500 GT

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[Bug 40630] nouveau becomes very unstable after suspend/hibernate/resume (corrupted graphics and hangs with opengl/3d/composited applications) GeForce 9500 GT

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=40630

Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|nouveau becomes very        |nouveau becomes very
                   |unstable after              |unstable after
                   |suspend/hibernate/resume    |suspend/hibernate/resume
                   |(corrupted                  |(corrupted graphics and
                   |opengl/3d/composited        |hangs with
                   |graphics and opengl         |opengl/3d/composited
                   |applications hangs) GeForce |applications) GeForce 9500
                   |9500 GT                     |GT

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[Bug 40630] nouveau becomes very unstable after suspend/hibernate/resume (corrupted graphics and hangs with OpenGL applications) GeForce 9500 GT

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=40630

Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|nouveau becomes very        |nouveau becomes very
                   |unstable after              |unstable after
                   |suspend/hibernate/resume    |suspend/hibernate/resume
                   |(corrupted graphics and     |(corrupted graphics and
                   |hangs with                  |hangs with OpenGL
                   |opengl/3d/composited        |applications) GeForce 9500
                   |applications) GeForce 9500  |GT
                   |GT                          |

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[Bug 40630] nouveau becomes very unstable after suspend/hibernate/resume (corrupted graphics and hangs with OpenGL applications) GeForce 9500 GT

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #68 from maximlevitsky-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org 2011-09-17 07:31:00 PDT ---
We did futher testing and even though we had some promising results, it looks
like this bug is too hard to fix at least for myself.

We found following things:

1. Forcing nouveau to run POST tables (force_post=1) made the same corruption
as after suspend when we didn't use nvidia's ctxprog. The error reported was
the same (failure in MP1 of TP1).
Also, we managed to crash the system twice when force_post was set (running
supertuxkart)

Sadly, We couldn't crash the system anymore when we tried to repeat that
running Nexuz. Yet.

Also when I decoded the init tables, I found that they do setup of memory
controller, reclock the card, etc...

2. Nature of the crashes after resume from ram and nvidia ctxprog:
We found out that disabling of pageflip support made the crash occur less
often, also we found that 2D activity like opening firefox or changing virtual
desktop made system crash right away on condition that 3d app was already
running (we used unigine tropics for that I think)

3. Without nvidia ctxprog crashes happen as well.

4. We ruled out that that problem was that core clock is more that 1/2 of
shader clock. Its exactly 1/2

5. ....

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[Bug 40630] nouveau becomes very unstable after suspend/hibernate/resume (corrupted graphics and hangs with OpenGL applications) GeForce 9500 GT

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #69 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-17 09:57:12 PDT ---
We're running SuperTuxKart built from SVN on X and nothing else like this:

xinit /usr/local/games/supertuxkart  --profile-laps=1000 --fullscreen

We ran this with ctxprog loaded and force_post=1 (without suspend) and
SuerTuxKart just hung on lap 26/1000.

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[Bug 40630] nouveau becomes very unstable after suspend/hibernate/resume (corrupted graphics and hangs with OpenGL applications) GeForce 9500 GT

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https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #70 from maximlevitsky-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org 2011-09-17 20:27:04 PDT ---
Now the situation is much better. We did many tests and we get this picture:

There are 3 problems that are more or less independent. All are caused by ether
suspend or running BIOS init tables (tested).
None of these problems happen if nether of above was done.

In other words BIOS init tables set some registers to harmful values, but
nvidia driver undoes that - bios writes really are evil and indeed one need
'glove box' to handle BIOSes.

1. Fault in MP1 of TP0 - we tested that often and we did get it with
force_post=1.
Nvidia ctxprog (more likely ctxvals) 'fixes' this.

2. Semaphore related fault, happen after around 10 minutes of full screen STK.
Was reproduced with and without forced POSTing, one time in each situation,
same error according to PFIFO state dumps.
Can be 'fixed' by turning pageflipping off.


3. Crash that happens if we run glxgears in addition to STK.
Happens very fast (~3 seconds from glxgears start), regardless of pageflipping.
Both PFIFO and PGRAPH appears to be idle though.

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[Bug 40630] BIOS POST tables induced problems on GeForce 9500 GT

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=40630

maximlevitsky-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|nouveau becomes very        |BIOS POST tables induced
                   |unstable after              |problems on GeForce 9500 GT
                   |suspend/hibernate/resume    |
                   |(corrupted graphics and     |
                   |hangs with OpenGL           |
                   |applications) GeForce 9500  |
                   |GT                          |

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[Bug 40630] BIOS POST tables induced problems on GeForce 9500 GT

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #71 from maximlevitsky-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org 2011-09-17 21:03:07 PDT ---
Created an attachment (id=51300)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=51300)
list of POST register writes

Hopefully when we replay that list of register writes problem will reappear,
just like with force_post

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[Bug 40630] BIOS POST tables induced problems on GeForce 9500 GT

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #72 from maximlevitsky-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org 2011-09-17 21:13:45 PDT ---
Created an attachment (id=51301)
 View: https://bugs.freedesktop.org/attachment.cgi?id=51301
 Review: https://bugs.freedesktop.org/review?bug=40630&attachment=51301

demmio_replay patch

This is my tool I use to replay traces.
I adapted it to replay this trace.
Patch it to envytools

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[Bug 40630] BIOS POST tables induced problems on GeForce 9500 GT

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https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #73 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-18 05:59:07 PDT ---
I've ran SuperTuxKart for 9 hours (620/50000 laps) in total, without suspend
the machine.

The result: SuperTuxKart didn't crash or hang at all. I also ran glxgears in
the middle of it and no hangs or crashes. Stability is really good without
suspend.

I see lots of these messages on my dmesg however:

[drm] nouveau 0000:01:00.0: PGRAPH - TRAP_VFETCH FAULT
[drm] nouveau 0000:01:00.0: PGRAPH - TRAP_VFETCH 00f00000 0000fe0c 00000000
00000000
[drm] nouveau 0000:01:00.0: PGRAPH - TRAP
[drm] nouveau 0000:01:00.0: PGRAPH - ch 4 (0x0001980000) subc 5 class 0x8297
mthd 0x15f0 data 0xff0d2d07
[drm] nouveau 0000:01:00.0: VM: trapped read at 0x0000000000 on ch 4
[0x00001980] PGRAPH/VFETCH/00 reason: PT_NOT_PRESENT
[drm] nouveau 0000:01:00.0: PGRAPH - TRAP_VFETCH FAULT
[drm] nouveau 0000:01:00.0: PGRAPH - TRAP_VFETCH 00f00000 0000fe0c 00000000
00000000
[drm] nouveau 0000:01:00.0: PGRAPH - TRAP
[drm] nouveau 0000:01:00.0: PGRAPH - ch 4 (0x0001980000) subc 5 class 0x8297
mthd 0x15f0 data 0xff346120
[drm] nouveau 0000:01:00.0: VM: trapped read at 0x0000000000 on ch 4
[0x00001980] PGRAPH/VFETCH/00 reason: PT_NOT_PRESENT
[drm] nouveau 0000:01:00.0: PGRAPH - TRAP_VFETCH FAULT
[drm] nouveau 0000:01:00.0: PGRAPH - TRAP_VFETCH 00f00000 0000fe0c 00000000
00000000
[drm] nouveau 0000:01:00.0: PGRAPH - TRAP
[drm] nouveau 0000:01:00.0: PGRAPH - ch 4 (0x0001980000) subc 5 class 0x8297
mthd 0x15f0 data 0xff254208
[drm] nouveau 0000:01:00.0: VM: trapped read at 0x0000000000 on ch 4
[0x00001980] PGRAPH/VFETCH/00 reason: PT_NOT_PRESENT
[drm] nouveau 0000:01:00.0: PGRAPH - TRAP_VFETCH FAULT
[drm] nouveau 0000:01:00.0: PGRAPH - TRAP_VFETCH 00f00000 0000fe0c 00000000
00000000
[drm] nouveau 0000:01:00.0: PGRAPH - TRAP
[drm] nouveau 0000:01:00.0: PGRAPH - ch 4 (0x0001980000) subc 5 class 0x8297
mthd 0x15f0 data 0xff041d00
[drm] nouveau 0000:01:00.0: VM: trapped read at 0x0000000000 on ch 4
[0x00001980] PGRAPH/VFETCH/00 reason: PT_NOT_PRESENT

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[Bug 40630] BIOS POST tables induced problems on GeForce 9500 GT

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #74 from maximlevitsky-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org 2011-09-18 15:41:52 PDT ---
OK Folks, it was just one bit, and it was unset by bios init tables.
One 
Bit 0x400000 of register 0x4008, the register that responsible for memory
clock.

Actual values of this register:


before suspend:

0x90596400 PCLOCK.MPLL1 => { UNK0 = 0x6400 | P = 0x1 | UNK19 = 0xb | UNK28 =
0x1 | ENABLE }

after suspend:   
0x90016400 PCLOCK.MPLL1 => { UNK0 = 0x6400 | P = 0x1 | UNK19 = 0 | UNK28 = 0x1
| ENABLE }

test1:  0x90096400 - corruptions, but stable (with ctxfw, hang after 10 secs)
test2   0x90516400 - good (with ctxprog)
test3   0x90416400 - good (with ctxprog), without ctxprog: good
test4   0x90116400 - corruptions without ctxprog

Also seems that without nvidia's ctxprog, while we always got corruption, we
didn't get hangs (but we tested just few laps of STK+glxgears)
It doesn't matter much. It is one bit and its in unknown PLL area....

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[Bug 40630] BIOS POST tables induced problems on GeForce 9500 GT

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https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #75 from maximlevitsky-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org 2011-09-18 15:45:49 PDT ---
Created an attachment (id=51323)
 View: https://bugs.freedesktop.org/attachment.cgi?id=51323
 Review: https://bugs.freedesktop.org/review?bug=40630&attachment=51323

Temporary hack to fix this

This is hack to fix this issue.
It must be reversed further to get to bottom of this

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[Bug 40630] Bad memory clock set on GeForce 9500 GT after resume

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=40630

maximlevitsky-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|BIOS POST tables induced    |Bad memory clock set on
                   |problems on GeForce 9500 GT |GeForce 9500 GT after
                   |                            |resume

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https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #76 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-18 15:53:03 PDT ---
Created an attachment (id=51324)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=51324)
vbios.rom

attaching a dump of /sys/kernel/debug/dri/0/vbios.rom

cat /sys/kernel/debug/dri/0/vbios.rom > vbios.rom

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[Bug 40630] Bad memory clock set on GeForce 9500 GT after resume

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https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #77 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-19 07:43:32 PDT ---
I found another way to hung/crash the system.

1- Boot into console mode (id:3:initdefault: in /etc/inittab)

2- start X (and just X) in tty1

3- switch to tty2 and start STK in that tty2.

start STK in tty2 like this:

export DISPLAY=:0
/usr/local/games/supertuxkart  --profile-laps=50000 --fullscreen

when I start STK like that it would attempt to switch to X as soon as STK is
launched.

Then X would hung right there, it wont even start STK, but it would hung as
soon as the VT is switched to X, then I would get errors like this one:

[ 17583.534] (EE) NOUVEAU(0): failed to set mode: Permission denied
Fatal server error:
[ 17583.534] EnterVT failed for screen 0

It seems like this issue is more related to this bug than anything else:
https://bugzilla.redhat.com/show_bug.cgi?id=680677

If I try to do the same, e.g. reboot the machine, login into tty1, start X,
switch to tty2, login into tty2, start glxgears in tty2, nothing happens... it
doesn't even switch right back to X when I start glxgears in tty2, it runs
glxgears and I see output in tty2, and I can switch to tt7 where X is running
(alt+f7) and see glxgears running in there.

But whether I try the same with STK, it would attempt to switch to X directly
and hung the machine.

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[Bug 40630] Bad memory clock set on GeForce 9500 GT after resume

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https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #78 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-19 07:45:19 PDT ---
(In reply to comment #77)
> I found another way to hung/crash the system.
> 
> 1- Boot into console mode (id:3:initdefault: in /etc/inittab)
> 
> 2- start X (and just X) in tty1
> 
> 3- switch to tty2 and start STK in that tty2.
> 
> start STK in tty2 like this:
> 
> export DISPLAY=:0
> /usr/local/games/supertuxkart  --profile-laps=50000 --fullscreen
> 
> when I start STK like that it would attempt to switch to X as soon as STK is
> launched.
> 
> Then X would hung right there, it wont even start STK, but it would hung as
> soon as the VT is switched to X, then I would get errors like this one:
> 
> [ 17583.534] (EE) NOUVEAU(0): failed to set mode: Permission denied
> Fatal server error:
> [ 17583.534] EnterVT failed for screen 0
> 
> It seems like this issue is more related to this bug than anything else:
> https://bugzilla.redhat.com/show_bug.cgi?id=680677
> 
> If I try to do the same, e.g. reboot the machine, login into tty1, start X,
> switch to tty2, login into tty2, start glxgears in tty2, nothing happens... it
> doesn't even switch right back to X when I start glxgears in tty2, it runs
> glxgears and I see output in tty2, and I can switch to tt7 where X is running
> (alt+f7) and see glxgears running in there.
> 
> But whether I try the same with STK, it would attempt to switch to X directly
> and hung the machine.

tty7*

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[Bug 40630] Bad memory clock set on GeForce 9500 GT after resume

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #79 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-19 07:48:30 PDT ---
I was able to suspend the machine and run STK+glxgears for many hours and I
didn't had another crash anymore, it seems like the hung I got in my last post
is related to fast VT switching and not another thing, different bug.

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[Bug 40630] Bad memory clock set on GeForce 9500 GT after resume

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #80 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-19 08:10:54 PDT ---
if I ssh from my laptop to the affected computer I can run STK+glxgears for
hours and no hangs.

The last hangs I experienced only happens when there is a fast VT->X context
switch.

So it seems like it's completely unrelated to the suspend hangs.

Thanks.

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[Bug 40630] Bad memory clock set on GeForce 9500 GT after resume

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #81 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-19 09:48:52 PDT ---
[root@myhost ~]# lspci -v
00:00.0 Host bridge: Intel Corporation 4 Series Chipset DRAM Controller (rev
03)
        Subsystem: ASUSTeK Computer Inc. Device 836d
        Flags: bus master, fast devsel, latency 0
        Capabilities: [e0] Vendor Specific Information: Len=0c <?>

00:01.0 PCI bridge: Intel Corporation 4 Series Chipset PCI Express Root Port
(rev 03) (prog-if 00 [Normal decode])
        Flags: bus master, fast devsel, latency 0
        Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
        I/O behind bridge: 0000d000-0000dfff
        Memory behind bridge: fa000000-feafffff
        Prefetchable memory behind bridge: 00000000e0000000-00000000efffffff
        Capabilities: [88] Subsystem: ASUSTeK Computer Inc. Device 836d
        Capabilities: [80] Power Management version 3
        Capabilities: [90] MSI: Enable- Count=1/1 Maskable- 64bit-
        Capabilities: [a0] Express Root Port (Slot+), MSI 00
        Kernel driver in use: pcieport

00:1b.0 Audio device: Intel Corporation N10/ICH 7 Family High Definition Audio
Controller (rev 01)
        Subsystem: ASUSTeK Computer Inc. Device 8445
        Flags: bus master, fast devsel, latency 0, IRQ 6
        Memory at f9ffc000 (64-bit, non-prefetchable) [size=16K]
        Capabilities: [50] Power Management version 2
        Capabilities: [60] MSI: Enable- Count=1/1 Maskable- 64bit+
        Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00

00:1c.0 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 1 (rev
01) (prog-if 00 [Normal decode])
        Flags: bus master, fast devsel, latency 0
        Bus: primary=00, secondary=04, subordinate=04, sec-latency=0
        I/O behind bridge: 00002000-00002fff
        Memory behind bridge: 80600000-807fffff
        Prefetchable memory behind bridge: 0000000080800000-00000000809fffff
        Capabilities: [40] Express Root Port (Slot+), MSI 00
        Capabilities: [80] MSI: Enable- Count=1/1 Maskable- 64bit-
        Capabilities: [90] Subsystem: ASUSTeK Computer Inc. Device 8179
        Capabilities: [a0] Power Management version 2
        Kernel driver in use: pcieport

00:1c.1 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 2 (rev
01) (prog-if 00 [Normal decode])                                                
        Flags: bus master, fast devsel, latency 0                               
        Bus: primary=00, secondary=03, subordinate=03, sec-latency=0            
        I/O behind bridge: 00001000-00001fff                                    
        Memory behind bridge: 80200000-803fffff                                 
        Prefetchable memory behind bridge: 0000000080400000-00000000805fffff    
        Capabilities: [40] Express Root Port (Slot+), MSI 00                    
        Capabilities: [80] MSI: Enable- Count=1/1 Maskable- 64bit-              
        Capabilities: [90] Subsystem: ASUSTeK Computer Inc. Device 8179         
        Capabilities: [a0] Power Management version 2                           
        Kernel driver in use: pcieport                                          

00:1c.3 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 4 (rev
01) (prog-if 00 [Normal decode])                                                
        Flags: bus master, fast devsel, latency 0                               
        Bus: primary=00, secondary=02, subordinate=02, sec-latency=0            
        I/O behind bridge: 0000e000-0000efff                                    
        Memory behind bridge: feb00000-febfffff                                 
        Prefetchable memory behind bridge: 0000000080000000-00000000801fffff    
        Capabilities: [40] Express Root Port (Slot+), MSI 00                    
        Capabilities: [80] MSI: Enable- Count=1/1 Maskable- 64bit-              
        Capabilities: [90] Subsystem: ASUSTeK Computer Inc. Device 8179         
        Capabilities: [a0] Power Management version 2                           
        Kernel driver in use: pcieport                                          

00:1d.0 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller
#1 (rev 01) (prog-if 00 [UHCI])                                                 
        Subsystem: ASUSTeK Computer Inc. P5KPL-VM,P5LD2-VM Mainboard            
        Flags: bus master, medium devsel, latency 0, IRQ 23
        I/O ports at c480 [size=32]
        Kernel driver in use: uhci_hcd

00:1d.1 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller
#2 (rev 01) (prog-if 00 [UHCI])
        Subsystem: ASUSTeK Computer Inc. P5KPL-VM,P5LD2-VM Mainboard
        Flags: bus master, medium devsel, latency 0, IRQ 19
        I/O ports at c800 [size=32]
        Kernel driver in use: uhci_hcd

00:1d.2 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller
#3 (rev 01) (prog-if 00 [UHCI])
        Subsystem: ASUSTeK Computer Inc. P5KPL-VM,P5LD2-VM Mainboard
        Flags: bus master, medium devsel, latency 0, IRQ 18
        I/O ports at c880 [size=32]
        Kernel driver in use: uhci_hcd

00:1d.3 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller
#4 (rev 01) (prog-if 00 [UHCI])
        Subsystem: ASUSTeK Computer Inc. P5KPL-VM,P5LD2-VM Mainboard
        Flags: bus master, medium devsel, latency 0, IRQ 16
        I/O ports at cc00 [size=32]
        Kernel driver in use: uhci_hcd

00:1d.7 USB Controller: Intel Corporation N10/ICH 7 Family USB2 EHCI Controller
(rev 01) (prog-if 20 [EHCI])
        Subsystem: ASUSTeK Computer Inc. P5KPL-VM,P5LD2-VM Mainboard
        Flags: bus master, medium devsel, latency 0, IRQ 23
        Memory at f9ffbc00 (32-bit, non-prefetchable) [size=1K]
        Capabilities: [50] Power Management version 2
        Capabilities: [58] Debug port: BAR=1 offset=00a0
        Kernel driver in use: ehci_hcd

00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev e1) (prog-if 01
[Subtractive decode])
        Flags: bus master, fast devsel, latency 0
        Bus: primary=00, secondary=05, subordinate=05, sec-latency=32
        Capabilities: [50] Subsystem: ASUSTeK Computer Inc. Device 8179

00:1f.0 ISA bridge: Intel Corporation 82801GB/GR (ICH7 Family) LPC Interface
Bridge (rev 01)
        Subsystem: ASUSTeK Computer Inc. P5KPL-VM Motherboard
        Flags: bus master, medium devsel, latency 0
        Capabilities: [e0] Vendor Specific Information: Len=0c <?>

00:1f.1 IDE interface: Intel Corporation 82801G (ICH7 Family) IDE Controller
(rev 01) (prog-if 8a [Master SecP PriP])
        Subsystem: ASUSTeK Computer Inc. P5KPL-VM Motherboard
        Flags: bus master, medium devsel, latency 0, IRQ 18
        I/O ports at 01f0 [size=8]
        I/O ports at 03f4 [size=1]
        I/O ports at 0170 [size=8]
        I/O ports at 0374 [size=1]
        I/O ports at ffa0 [size=16]
        Kernel driver in use: ata_piix

00:1f.2 IDE interface: Intel Corporation N10/ICH7 Family SATA IDE Controller
(rev 01) (prog-if 8f [Master SecP SecO PriP PriO])
        Subsystem: ASUSTeK Computer Inc. P5KPL-VM Motherboard
        Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 22
        I/O ports at c400 [size=8]
        I/O ports at c080 [size=4]
        I/O ports at c000 [size=8]
        I/O ports at bc00 [size=4]
        I/O ports at b880 [size=16]
        Capabilities: [70] Power Management version 2
        Kernel driver in use: ata_piix

01:00.0 VGA compatible controller: nVidia Corporation G96 [GeForce 9500 GT]
(rev a1) (prog-if 00 [VGA controller])
        Subsystem: eVga.com. Corp. Device c958
        Flags: bus master, fast devsel, latency 0, IRQ 16
        Memory at fd000000 (32-bit, non-prefetchable) [size=16M]
        Memory at e0000000 (64-bit, prefetchable) [size=256M]
        Memory at fa000000 (64-bit, non-prefetchable) [size=32M]
        I/O ports at dc00 [size=128]
        Expansion ROM at fea80000 [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 <?>
        Kernel driver in use: nouveau
        Kernel modules: nouveau

02:00.0 Ethernet controller: Atheros Communications AR8121/AR8113/AR8114
Gigabit or Fast Ethernet (rev b0)
        Subsystem: ASUSTeK Computer Inc. P5KPL-CM Motherboard
        Flags: bus master, fast devsel, latency 0, IRQ 19
        Memory at febc0000 (64-bit, non-prefetchable) [size=256K]
        I/O ports at ec00 [size=128]
        Capabilities: [40] Power Management version 2
        Capabilities: [48] MSI: Enable- Count=1/1 Maskable- 64bit+
        Capabilities: [58] Express Endpoint, MSI 00
        Kernel driver in use: ATL1E

[root@myhost ~]#

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[Bug 40630] Bad memory clock set on GeForce 9500 GT after resume

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #82 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-19 10:33:42 PDT ---
Pictures of the affected card.

Front:

http://dl.dropbox.com/u/6005119/gpu/P1120649.JPG

Back:

http://dl.dropbox.com/u/6005119/gpu/P1120671.JPG

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[Bug 40630] Bad memory clock set on GeForce 9500 GT after resume

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #83 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-19 10:35:50 PDT ---
Created an attachment (id=51365)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=51365)
lspci -a

added lspci -a

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[Bug 40630] Bad memory clock set on GeForce 9500 GT after resume

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #84 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-19 10:57:35 PDT ---
(In reply to comment #82)
> Pictures of the affected card.
> 
> Front:
> 
> http://dl.dropbox.com/u/6005119/gpu/P1120649.JPG
> 
> Back:
> 
> http://dl.dropbox.com/u/6005119/gpu/P1120671.JPG

card pictures (mirror), just in case.

http://ompldr.org/vYWY5aA/P1120649.JPG
http://ompldr.org/vYWY5Zw/P1120671.JPG

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[Bug 40630] Bad memory clock set on GeForce 9500 GT after resume

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #85 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-20 15:01:25 PDT ---
I failed to reproduce this same problem with this card:

01:00.0 VGA compatible controller: nVidia Corporation G96 [GeForce 9400 GT]
(rev a1)

BTW this problem is also present on Fedora 15, I tested it and the problem is
there also.

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[Bug 40630] Bad memory clock set on GeForce 9500 GT after resume

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #86 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-20 15:08:41 PDT ---
I fail to reproduce this issue with this card as well:

02:00.0 VGA compatible controller: nVidia Corporation G92 [GeForce 9800 GT]
(rev a2)


This issue is only present with my GeForce 9500 GT.

Weird.

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[Bug 40630] Bad memory clock set on GeForce 9500 GT after resume

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #87 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-20 16:10:31 PDT ---
I have a ThinkPad T510 with optimus GPU (hybrid Intel/Nvidia), I have switched
the GPU in the BIOS to use the Nvidia card so I could try to reproduce this
issue in my laptop as well, and failed to reproduce there as well.

I have suspended hte laptop many times but glxgears appears just fine after
suspend, no corrupted graphics, etc.

[diego@myhost ~]$ lspci|grep VGA
01:00.0 VGA compatible controller: nVidia Corporation GT218 [NVS 3100M] (rev
a2)
[diego@myhost ~]$

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[Bug 40630] Bad memory clock set on GeForce 9500 GT after resume

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #88 from Ben Skeggs <skeggsb-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-22 22:09:47 PDT ---
Created an attachment (id=51531)
 View: https://bugs.freedesktop.org/attachment.cgi?id=51531
 Review: https://bugs.freedesktop.org/review?bug=40630&attachment=51531

More complete MPLL programming during POST

Give this patch a try.  It should correct nouveau's MPLL setup when
cold-booting the card.

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[Bug 40630] Bad memory clock set on GeForce 9500 GT after resume

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=40630

--- Comment #89 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-23 17:08:07 PDT ---
(In reply to comment #88)
> Created an attachment (id=51531)
 View: https://bugs.freedesktop.org/attachment.cgi?id=51531
 Review: https://bugs.freedesktop.org/review?bug=40630&attachment=51531

> More complete MPLL programming during POST
> 
> Give this patch a try.  It should correct nouveau's MPLL setup when
> cold-booting the card.

Works great, thank you so much! :)

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[Bug 40630] Bad memory clock set on GeForce 9500 GT after resume

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=40630

Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> changed:

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

--- Comment #90 from Diego Viola <diego.viola-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2011-09-23 17:16:26 PDT ---
I've rebuilt the kernel today from Linus Torvalds github repository and applied
darktama's patch.

Linux myhost 3.1.0-rc7+ #1 SMP Fri Sep 23 13:44:20 PYT 2011 x86_64 Intel(R)
Core(TM)2 Duo CPU E7500 @ 2.93GHz GenuineIntel GNU/Linux

So far things are very stable!

I've ran STK (100 laps) with glxgears and suspended many times, I also
suspended while in-game and things are very stable.

I also tried using KDE 4.7 with kwin opengl compositing after and before
suspending and things are very smooth and stable.

I'm going to close this bug report now and mark it fixed. calim and
MaximLevitsky already approved closing the bug report. calim have also stated
that the real fix has been merged into nouveau git master and that it will be
available in Linux 3.2. The commit is here:
http://cgit.freedesktop.org/nouveau/linux-2.6/commit/?id=a51d43c1b27581e780f60b6d724d146db94b31c5

Thanks to everyone who have helped!

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