[Bug 103634] nv_conditional_render tests hang the gpu (HD 5750)

[Bug 103634] nv_conditional_render tests hang the gpu (HD 5750)

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https://bugs.freedesktop.org/show_bug.cgi?id=103634

            Bug ID: 103634
           Summary: nv_conditional_render tests hang the gpu (HD 5750)
           Product: Mesa
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Drivers/Gallium/r600
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: sroland@vmware.com
        QA Contact: dri-devel@lists.freedesktop.org

Nearly all of piglit's nv_conditional_render tests (I think 10 out of 12, I'd
rather not retry them all since it sometimes brings down the box after the gpu
reset) immediately hang the gpu - nv_conditional_render-begin-xxx are the two
exceptions (which pass).
GPU is Juniper, HD 5750.
I'm not sure if this is even a regression, as I never ran piglit on this box
before, and at least with mesa 17.1.8 it hangs all the same as current git
master. If the kernel version matters, I tried some 4.9 and some 4.13 kernel.

[  749.782315] radeon 0000:01:00.0: ring 0 stalled for more than 10224msec
[  749.782319] radeon 0000:01:00.0: GPU lockup (current fence id
0x0000000000004081 last fence id 0x0000000000004
...

[  771.466593] radeon 0000:01:00.0: Saved 882 dwords of commands on ring 0.
[  771.906456] radeon 0000:01:00.0: GPU softreset: 0x0000001D
[  771.906458] radeon 0000:01:00.0:   GRBM_STATUS               = 0xA0001828
[  771.906459] radeon 0000:01:00.0:   GRBM_STATUS_SE0           = 0x00000003
[  771.906460] radeon 0000:01:00.0:   GRBM_STATUS_SE1           = 0x00000007
[  771.906461] radeon 0000:01:00.0:   SRBM_STATUS               = 0x20000AC0
[  771.906462] radeon 0000:01:00.0:   SRBM_STATUS2              = 0x00000000
[  771.906463] radeon 0000:01:00.0:   R_008674_CP_STALLED_STAT1 = 0x00000000
[  771.906464] radeon 0000:01:00.0:   R_008678_CP_STALLED_STAT2 = 0x00000000
[  771.906465] radeon 0000:01:00.0:   R_00867C_CP_BUSY_STAT     = 0x00000006
[  771.906466] radeon 0000:01:00.0:   R_008680_CP_STAT          = 0x80008E47
[  771.906468] radeon 0000:01:00.0:   R_00D034_DMA_STATUS_REG   = 0x44C83D57
[  771.914331] radeon 0000:01:00.0: GRBM_SOFT_RESET=0x00007F6B
[  771.914382] radeon 0000:01:00.0: SRBM_SOFT_RESET=0x00100100
[  771.915528] radeon 0000:01:00.0:   GRBM_STATUS               = 0x00003828
[  771.915529] radeon 0000:01:00.0:   GRBM_STATUS_SE0           = 0x00000007
[  771.915530] radeon 0000:01:00.0:   GRBM_STATUS_SE1           = 0x00000007
[  771.915531] radeon 0000:01:00.0:   SRBM_STATUS               = 0x200000C0
[  771.915532] radeon 0000:01:00.0:   SRBM_STATUS2              = 0x00000000
[  771.915533] radeon 0000:01:00.0:   R_008674_CP_STALLED_STAT1 = 0x00000000
[  771.915534] radeon 0000:01:00.0:   R_008678_CP_STALLED_STAT2 = 0x00000000
[  771.915535] radeon 0000:01:00.0:   R_00867C_CP_BUSY_STAT     = 0x00000000
[  771.915536] radeon 0000:01:00.0:   R_008680_CP_STAT          = 0x00000000
[  771.915538] radeon 0000:01:00.0:   R_00D034_DMA_STATUS_REG   = 0x44C83D57
[  771.915554] radeon 0000:01:00.0: GPU reset succeeded, trying to resume

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[Bug 103634] nv_conditional_render tests hang the gpu (HD 5750)

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https://bugs.freedesktop.org/show_bug.cgi?id=103634

--- Comment #1 from Roland Scheidegger <sroland@vmware.com> ---
Created attachment 135335
  --> https://bugs.freedesktop.org/attachment.cgi?id=135335&action=edit
trace file captured with R600_TRACE

Here's the output of R600_TRACE when running
./nv_conditional_render-vertex_array. (It doesn't tell me much but there is
indeed a SET_PREDICATION and a predicated draw between the last trace id
reached and the first not reached one.)

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[Bug 103634] nv_conditional_render tests hang the gpu (HD 5750)

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https://bugs.freedesktop.org/show_bug.cgi?id=103634

GitLab Migration User <gitlab-migration@fdo.invalid> changed:

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

--- Comment #2 from GitLab Migration User <gitlab-migration@fdo.invalid> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/mesa/mesa/issues/616.

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