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* [Bug 100024] [radeonsi] Failed to find memory space for buffer eviction when calling glTexSubImage2D with 16384 / 2
@ 2017-03-01 17:45 bugzilla-daemon
  2017-03-01 17:46 ` bugzilla-daemon
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  0 siblings, 18 replies; 19+ messages in thread
From: bugzilla-daemon @ 2017-03-01 17:45 UTC (permalink / raw)
  To: dri-devel


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https://bugs.freedesktop.org/show_bug.cgi?id=100024

            Bug ID: 100024
           Summary: [radeonsi] Failed to find memory space for buffer
                    eviction when calling glTexSubImage2D with 16384 / 2
           Product: DRI
           Version: XOrg git
          Hardware: All
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: julien.isorce@gmail.com

Created attachment 130005
  --> https://bugs.freedesktop.org/attachment.cgi?id=130005&action=edit
new piglit test max-texture-size2 to reproduce the problem

/ [AMD/ATI] Cape Verde PRO [FirePro W600] /

The piglit test max-texture-size2 prints:

GL_TEXTURE_RECTANGLE, Internal Format = GL_RGBA8, Largest Texture Size = 16384
radeon: Not enough memory for command submission.
[drm:radeon_cs_ioctl [radeon]] *ERROR* Failed to parse relocation -12! (ENOMEM)
PIGLIT: {"subtest": {"GL_TEXTURE_RECTANGLE-GL_RGBA8" : "pass"}}

It says it passes but internally it fails. It looks like a bug from the TTM GPU
memory manager subsystem in the linux kernel.

To reproduce just run:
RADEON_THREAD=false DISPLAY=:0 PIGLIT_SOURCE_DIR=/home/julien/dev/piglit/
PIGLIT_PLATFORM=mixed_glx_egl ./bin/max-texture-size -fbo -auto

I set RADEON_THREAD=false to make it easier since the problem also appears with
true.

I attached a new and more minimal piglit test "max-texture-size2" that
reproduces the problem.
A workaround of the problem is to use GL fence as the new test also
demonstrates setting the env var USE_FENCE.

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2019-09-25 17:57 ` bugzilla-daemon

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