[Bug 89887] AMD 3650 Mobility locks up on overdraw

[Bug 89887] AMD 3650 Mobility locks up on overdraw

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https://bugs.freedesktop.org/show_bug.cgi?id=89887

            Bug ID: 89887
           Summary: AMD 3650 Mobility locks up on overdraw
           Product: Mesa
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r600
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: pavol@klacansky.com
        QA Contact: dri-devel@lists.freedesktop.org

Created attachment 114845
  --> https://bugs.freedesktop.org/attachment.cgi?id=114845&action=edit
Demo

Hi,

by accident I found out that after some threshold on overdraw the GPU hangs. I
have attached a simple program that demonstrates the problem.

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[Bug 89887] AMD 3650 Mobility locks up on overdraw

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https://bugs.freedesktop.org/show_bug.cgi?id=89887

--- Comment #1 from Dave Airlie <airlied@freedesktop.org> ---
can you attach the source code and how to build it?

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[Bug 89887] AMD 3650 Mobility locks up on overdraw

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https://bugs.freedesktop.org/show_bug.cgi?id=89887

pavol@klacansky.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #114845|0                           |1
        is obsolete|                            |

--- Comment #2 from pavol@klacansky.com ---
Created attachment 114856
  --> https://bugs.freedesktop.org/attachment.cgi?id=114856&action=edit
Overdraw application

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[Bug 89887] AMD 3650 Mobility locks up on overdraw

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https://bugs.freedesktop.org/show_bug.cgi?id=89887

--- Comment #3 from pavol@klacansky.com ---
I have fixed MIME for the overdraw demo. It requires Gtk+ 3.16 and it can be
compiled by "clang main.c common/io.c `pkg-config --cflags --libs gtk+-3.0
epoxy`".

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[Bug 89887] AMD 3650 Mobility locks up on overdraw

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https://bugs.freedesktop.org/show_bug.cgi?id=89887

--- Comment #4 from pavol@klacansky.com ---
Created attachment 114911
  --> https://bugs.freedesktop.org/attachment.cgi?id=114911&action=edit
Overdraw GLFW3

This is a version using GLFW3 in case you do not have Gtk+ 3.16.

gcc common/io.c main.c `pkg-config --cflags --libs glfw3 epoxy`

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[Bug 89887] AMD 3650 Mobility locks up on overdraw

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https://bugs.freedesktop.org/show_bug.cgi?id=89887

--- Comment #5 from pavol@klacansky.com ---
Tesla card renders it correctly (it takes around 10 seconds), I will test on
Intel (GL 2.1) when I get home.

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[Bug 89887] AMD 3650 Mobility locks up on overdraw

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https://bugs.freedesktop.org/show_bug.cgi?id=89887

--- Comment #6 from pavol@klacansky.com ---
Intel x4500 hang too, but seems to do better job at reseting.

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[Bug 89887] AMD 3650 Mobility locks up on overdraw

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https://bugs.freedesktop.org/show_bug.cgi?id=89887

--- Comment #7 from pavol@klacansky.com ---
Created attachment 114934
  --> https://bugs.freedesktop.org/attachment.cgi?id=114934&action=edit
Intel dmesg

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[Bug 89887] AMD 3650 Mobility locks up on overdraw

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https://bugs.freedesktop.org/show_bug.cgi?id=89887

Marek Olšák <maraeo@gmail.com> changed:

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

--- Comment #8 from Marek Olšák <maraeo@gmail.com> ---
Hi Pavol,

If the draw call takes more than 10 seconds, the kernel driver will consider it
a hang and will try to reset the GPU, which might sometimes fail, leaving the
GPU in an unusable state.

I will close this as NOTABUG. Please try again with a lower instance count and
make sure it finishes in 10 seconds.

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[Bug 89887] AMD 3650 Mobility locks up on overdraw

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https://bugs.freedesktop.org/show_bug.cgi?id=89887

--- Comment #9 from Christian König <deathsimple@vodafone.de> ---
(In reply to Marek Olšák from comment #8)
> I will close this as NOTABUG. Please try again with a lower instance count
> and make sure it finishes in 10 seconds.

Alternatively use the kernel parameter radeon.lockup_timeout=20000 to increase
the timeout to 20 seconds.

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