[Bug 99048] [BYT] piglit.spec.ext_framebuffer_object.fbo-maxsize OOM disables GPU

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Dec 12 20:18:11 UTC 2016


Mark Janes <mark.a.janes at intel.com> changed:

           What    |Removed                     |Added
            Summary|[BYT]                       |[BYT]
                   |piglit.spec.ext_framebuffer |piglit.spec.ext_framebuffer
                   |_object.fbo-maxsize OOM     |_object.fbo-maxsize OOM
                   |                            |disables GPU
                 CC|                            |intel-gfx-bugs at lists.freede
                   |                            |sktop.org
            Product|Mesa                        |DRI
         QA Contact|intel-3d-bugs at lists.freedes |intel-gfx-bugs at lists.freede
                   |ktop.org                    |sktop.org
            Version|git                         |DRI git
          Component|Drivers/DRI/i965            |DRM/Intel

--- Comment #4 from Mark Janes <mark.a.janes at intel.com> ---
Assigning to the kernel team, because it appears that OOM can kill a process
while it holds a lock, generating an unrecoverable error.

To reproduce:

 1) use a device with 1GB RAM
 2) use Mesa after e9133dd9, when texture sizes were increased
 3) use piglit before 12b5938, when Ken reduced the memory footprint of

You should see dmesg errors:
  "Unable to purge GPU memory due lock contention"

Subsequently, other GPU workloads will fail intermittently.

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