[Bug 100024] [radeonsi] Failed to find memory space for buffer eviction when calling glTexSubImage2D with 16384 / 2

[Bug 100024] [radeonsi] Failed to find memory space for buffer eviction when calling glTexSubImage2D with 16384 / 2

[bugzilla-daemon]

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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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[Bug 100024] [radeonsi] Failed to find memory space for buffer eviction when calling glTexSubImage2D with 16384 / 2

[bugzilla-daemon]

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

--- Comment #1 from Julien Isorce <julien.isorce@gmail.com> ---
Created attachment 130006
  --> https://bugs.freedesktop.org/attachment.cgi?id=130006&action=edit
lspic -s -v

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[Bug 100024] [radeonsi] Failed to find memory space for buffer eviction when calling glTexSubImage2D with 16384 / 2

[bugzilla-daemon]

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

--- Comment #2 from Julien Isorce <julien.isorce@gmail.com> ---
Created attachment 130008
  --> https://bugs.freedesktop.org/attachment.cgi?id=130008&action=edit
dmesg

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[Bug 100024] [radeonsi] Failed to find memory space for buffer eviction when calling glTexSubImage2D with 16384 / 2

[bugzilla-daemon]

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

--- Comment #3 from Julien Isorce <julien.isorce@gmail.com> ---
Created attachment 130009
  --> https://bugs.freedesktop.org/attachment.cgi?id=130009&action=edit
Xorg.log

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[Bug 100024] [radeonsi] Failed to find memory space for buffer eviction when calling glTexSubImage2D with 16384 / 2

[bugzilla-daemon]

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

--- Comment #4 from Julien Isorce <julien.isorce@gmail.com> ---
Created attachment 130011
  --> https://bugs.freedesktop.org/attachment.cgi?id=130011&action=edit
max-texture-size2 backtrace untill ENOMEM

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[Bug 100024] [radeonsi] Failed to find memory space for buffer eviction when calling glTexSubImage2D with 16384 / 2

[bugzilla-daemon]

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

--- Comment #5 from Julien Isorce <julien.isorce@gmail.com> ---
Created attachment 130012
  --> https://bugs.freedesktop.org/attachment.cgi?id=130012&action=edit
default output of max-texture-size2 test

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[Bug 100024] [radeonsi] Failed to find memory space for buffer eviction when calling glTexSubImage2D with 16384 / 2

[bugzilla-daemon]

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

--- Comment #6 from Julien Isorce <julien.isorce@gmail.com> ---
Created attachment 130013
  --> https://bugs.freedesktop.org/attachment.cgi?id=130013&action=edit
output of max-texture-size2 test with MESA_VERBOSE

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[Bug 100024] [radeonsi] Failed to find memory space for buffer eviction when calling glTexSubImage2D with 16384 / 2

[bugzilla-daemon]

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

--- Comment #7 from Julien Isorce <julien.isorce@gmail.com> ---
Created attachment 130014
  --> https://bugs.freedesktop.org/attachment.cgi?id=130014&action=edit
output of max-texture-size2 test with MESA_VERBOSE and R600_DEBUG

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[Bug 100024] [radeonsi] Failed to find memory space for buffer eviction when calling glTexSubImage2D with 16384 / 2

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 358 bytes --]

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

--- Comment #8 from Julien Isorce <julien.isorce@gmail.com> ---
Created attachment 130015
  --> https://bugs.freedesktop.org/attachment.cgi?id=130015&action=edit
output of max-texture-size2 test with USE_FENCE workaround

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[Bug 100024] [radeonsi] Failed to find memory space for buffer eviction when calling glTexSubImage2D with 16384 / 2

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 384 bytes --]

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

--- Comment #9 from Julien Isorce <julien.isorce@gmail.com> ---
Created attachment 130016
  --> https://bugs.freedesktop.org/attachment.cgi?id=130016&action=edit
patch for mesa to translate the radeonsi printf ENOMEM to a proper
GL_OUT_OF_MEMORY

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[Bug 100024] [radeonsi] Failed to find memory space for buffer eviction when calling glTexSubImage2D with 16384 / 2

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 362 bytes --]

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

--- Comment #10 from Julien Isorce <julien.isorce@gmail.com> ---
Created attachment 130018
  --> https://bugs.freedesktop.org/attachment.cgi?id=130018&action=edit
output of max-texture-size2 test with attached patch for mesa

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[Bug 100024] [radeonsi] Failed to find memory space for buffer eviction when calling glTexSubImage2D with 16384 / 2

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

Michel Dänzer <michel@daenzer.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #130018|text/x-log                  |text/plain
          mime type|                            |

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[Bug 100024] [radeonsi] Failed to find memory space for buffer eviction when calling glTexSubImage2D with 16384 / 2

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

Michel Dänzer <michel@daenzer.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #130008|text/x-log                  |text/plain
          mime type|                            |

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[Bug 100024] [radeonsi] Failed to find memory space for buffer eviction when calling glTexSubImage2D with 16384 / 2

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

Michel Dänzer <michel@daenzer.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #130009|text/x-log                  |text/plain
          mime type|                            |

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[Bug 100024] [radeonsi] Failed to find memory space for buffer eviction when calling glTexSubImage2D with 16384 / 2

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

Michel Dänzer <michel@daenzer.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Product|DRI                         |Mesa
            Version|XOrg git                    |unspecified
          Component|DRM/Radeon                  |Drivers/Gallium/radeonsi
         QA Contact|                            |dri-devel@lists.freedesktop
                   |                            |.org

--- Comment #11 from Michel Dänzer <michel@daenzer.net> ---
I don't think there's a kernel-side bug here — it simply runs out of graphics
memory, and correctly reports that to userspace.

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[Bug 100024] [radeonsi] Failed to find memory space for buffer eviction when calling glTexSubImage2D with 16384 / 2

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

--- Comment #12 from Julien Isorce <julien.isorce@gmail.com> ---
Hi Michel. Thx you for your comment. In a way it is a good and only my attached
mesa will be needed to fix the test. I will send it to the mailing list.

But I still do not properly understand why there is not enough graphic memory
because lspci reports 2048M. And there are some contradictions depending on the
subSize for the test sequence which is:

for i in 0 1:
  glGenTextures
  glTexImage2D    maxSize
  glTexSubImage2D subSize = maxSize / 2.
  glDeleteTextures

A: The kernel trace ENOMEM appears with:
  subSize = maxSize - 1 -> "radeon: Failed to allocate a buffer"
  subSize = 3 * maxSize / 4 -> "radeon: Failed to allocate a buffer"
  subSize = maxSize / 2 -> "radeon: Not enough memory for command submission"

B: It works with:
  subSize = maxSize
  subSize = maxSize / 4

Isn't A and B a contradiction ? For me A should succeeds because
glDeteteTextures should . Also note that on other 

Also by calling glFush() within an additional loop iteration i = 2, it can
recover so it will fail for iteration i = 1 but succeeds for i = 2. 
So what could the explanation here ? Should the driver just flush the cs
automatically in that case like it does for subSize = maxSize ? Sorry I am just
trying to understand :). Thx!

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[Bug 100024] [radeonsi] Failed to find memory space for buffer eviction when calling glTexSubImage2D with 16384 / 2

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

--- Comment #13 from Julien Isorce <julien.isorce@gmail.com> ---
Oups the part "because glDeteteTextures should . Also note that on other" of my
comment should have been removed.

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[Bug 100024] [radeonsi] Failed to find memory space for buffer eviction when calling glTexSubImage2D with 16384 / 2

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

Julien Isorce <julien.isorce@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #130005|0                           |1
        is obsolete|                            |

--- Comment #14 from Julien Isorce <julien.isorce@gmail.com> ---
Created attachment 130023
  --> https://bugs.freedesktop.org/attachment.cgi?id=130023&action=edit
new piglit test max-texture-size2 to reproduce the problem

Typo fix "maxSide -> maxSize" and some cleanup.

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[Bug 100024] [radeonsi] Failed to find memory space for buffer eviction when calling glTexSubImage2D with 16384 / 2

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

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

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

--- Comment #15 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/1257.

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