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

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Dec 13 08:22:03 UTC 2016


Chris Wilson <chris at chris-wilson.co.uk> changed:

           What    |Removed                     |Added
            Product|DRI                         |Mesa
         QA Contact|intel-gfx-bugs at lists.freede |intel-3d-bugs at lists.freedes
                   |sktop.org                   |ktop.org
           Assignee|intel-gfx-bugs at lists.freede |intel-3d-bugs at lists.freedes
                   |sktop.org                   |ktop.org
          Component|DRM/Intel                   |Drivers/DRI/i965
            Version|DRI git                     |git

--- Comment #5 from Chris Wilson <chris at chris-wilson.co.uk> ---
(In reply to Mark Janes from comment #4)
> 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
> fbo-maxsize
> You should see dmesg errors:
>   "Unable to purge GPU memory due lock contention"
> Subsequently, other GPU workloads will fail intermittently.

That is not what that means at all.

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