Nouveau - Feb 2013 - [Bug 61069] New: Crash while displaying large image

https://bugs.freedesktop.org/show_bug.cgi?id=61069

          Priority: medium
            Bug ID: 61069
          Assignee: nouveau at lists.freedesktop.org
           Summary: Crash while displaying large image
        QA Contact: xorg-team at lists.x.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: dave.mueller at gmx.ch
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: Driver/nouveau
           Product: xorg

Created attachment 75050
  --> https://bugs.freedesktop.org/attachment.cgi?id=75050&action=edit
crash Xorg.0.log

Xorg crash

If i try to display a large (3200x2700) PNG file using the "display"
tool from
the "ImageMagick" package, X crashes at shown in the attached Xorg log
file.

If i use the "old" nv driver on the same system and environment, image
is
displayed without problem. Therefore i assume a problem in the
"nouveau"
driver.

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--- Comment #1 from dave.mueller at gmx.ch ---
Created attachment 75051
  --> https://bugs.freedesktop.org/attachment.cgi?id=75051&action=edit
Image which causes the crash

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Marcin Slusarz <marcin.slusarz at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Crash while displaying      |[NV17] Crash while
                   |large image                 |displaying large image

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dave.mueller at gmx.ch changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Hardware|Other                       |x86 (IA32)
                 OS|All                         |Linux (All)

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |NEEDINFO

--- Comment #2 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Does this still happen? I just tried it with the latest kernel/ddx on a NV18,
which is rather similar, and it all worked fine (albeit rather slowly). Please
re-test.

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--- Comment #3 from dave.mueller at gmx.ch ---
What do you mean by "latest kernel"? If you mean 3.10, the answer is
yes.
Is there something in the upcoming 3.11 which may fix this issue?

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--- Comment #4 from Ilia Mirkin <imirkin at alum.mit.edu> ---
I doubt there's anything in 3.11 to fix this, but the fact is that I'm
currently running on top of the nouveau/linux-2.6 tree
(http://cgit.freedesktop.org/nouveau/linux-2.6/), which is 3.11-rc6 + some more
commits. I have a couple of patches applied on top of that, but I don't
think
any of them would matter for this case.

What other differences are there? I'm using 1920x1200, you're on
1600x1200. I
did get the "pan" thing from imagemagick's display command. I
assume you would
get that too (if it didn't crash)? Do you use a compositor of some sort? I
don't. My NV18 has 64M VRAM, reports a 128M GART... how much does your card
have?

Can you get debug libraries in place so that you get symbol resolution on
nouveau_drv.so in the stacktrace printed by X?

BTW, if you don't want to constantly kill your "regular" X
session, you can
start up a second X session to do your testing in. (Might seem obvious, but it
took me a little while before I thought of that.)

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--- Comment #5 from dave.mueller at gmx.ch ---
Perhaps you have to try with a bigger image (e.g. 4096x4096 pixel) to
compensate for your larger screen resolution.

I didn't played with the compositor so far, just used the standard KDE
settings.

I don't think that a second X session will do any good, as the system is
quite
unstable after the crash and needs to be rebooted.

My NV17 also has 64MiB VRAM as shown below:

nouveau  [  DEVICE][0000:01:00.0] BOOT0  : 0x017200a5
nouveau  [  DEVICE][0000:01:00.0] Chipset: NV17 (NV17)
nouveau  [  DEVICE][0000:01:00.0] Family : NV10
nouveau  [   VBIOS][0000:01:00.0] checking PRAMIN for image...
nouveau  [   VBIOS][0000:01:00.0] ... appears to be valid
nouveau  [   VBIOS][0000:01:00.0] using image from PRAMIN
nouveau  [   VBIOS][0000:01:00.0] BMP version 5.15
nouveau  [   VBIOS][0000:01:00.0] version 04.17.00.45.00
nouveau  [  PTIMER][0000:01:00.0] unknown input clock freq
nouveau  [     PFB][0000:01:00.0] RAM type: DDR1
nouveau  [     PFB][0000:01:00.0] RAM size: 64 MiB
nouveau  [     PFB][0000:01:00.0]    ZCOMP: 0 tags
nouveau  [     DRM] VRAM: 63 MiB
nouveau  [     DRM] GART: 128 MiB
nouveau  [     DRM] BMP version 5.21
nouveau  [     DRM] DCB version 2.0
nouveau  [     DRM] DCB outp 00: 01000100 000088b8
nouveau  [     DRM] DCB outp 01: 02010111 00000003
nouveau  [     DRM] DCB outp 02: 02010211 00000003
nouveau  [     DRM] Merging DCB entries 1 and 2
nouveau  [     DRM] Loading NV17 power sequencing microcode
nouveau  [     DRM] Saving VGA fonts
nouveau  [     DRM] 1 available performance level(s)
nouveau  [     DRM] 0: memory 332MHz
nouveau  [     DRM] c: core 249MHz memory 333MHz
nouveau  [     DRM] MM: using M2MF for buffer copies
nouveau  [     DRM] Setting dpms mode 3 on TV encoder (output 1)
nouveau  [     DRM] allocated 1600x1200 fb: 0x9000, bo f5a0c600

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--- Comment #6 from Ilia Mirkin <imirkin at alum.mit.edu> ---
I still can't repro the issue. Another difference might be that I'm
using xorg
1.13, whereas your original log is for 1.12. Is there anything in dmesg when
the hangs occur?

I did notice that if I'm running with a compositor, e.g. xcompmgr, then
things
get REALLY slow when loading large images. Slow enough for watchdogs to fire,
rcu to complain, etc. But the system does come into its own, esp if I kill
xcompmgr. I don't know whether "standard KDE settings" include a
compositor
(wouldn't be surprised), but if they do, can you try turning that off?

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--- Comment #7 from dave.mueller at gmx.ch ---
In the meantime i updated my system (kernel 3.12, X Server 1.14.3,
nouveau_drv.so module version = 1.0.9) and the crash with the 3200x2700 picture
is gone. 

But i see the following lines in the kernel logs:

nouveau E[   PFIFO][0000:01:00.0] DMA_PUSHER - ch 1 [X[1287]] get 0xbeef0200
put 0x00022a9c state 0xc000018c (err: MEM_FAULT) push 0x00000000
nouveau E[ X[1287]] reloc wait_idle failed: -16
nouveau E[ X[1287]] reloc apply: -16

which seems to be accompanied by a short "hang" of the GUI.

Unfortunately these "hangs" seem not only be triggered by my synthetic
test
case, but also by normal daily work. 

The system seems to be able to recover from this state but from time to time
(mostly if the system is under load) this results in a complete GUI freeze and
i need to reboot the whole system.

But i am not sure if this is just a new symptom of the same problem or a
totally unrelated new problem.

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--- Comment #8 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Are you using a version of libdrm before 2.4.48 compiled with gcc-4.8? If so,
upgrade. Or compile using an older gcc.

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--- Comment #9 from dave.mueller at gmx.ch ---
Thanks for the hint. I've upgraded to libdrm-2.4.50 and the errors lines in
the
kernel log are gone.

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

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

--- Comment #10 from Ilia Mirkin <imirkin at alum.mit.edu> ---
It appears that all the issues that were talked about here are resolved. Feel
free to re-open if I missed something.

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