[Bug 67504] intel driver crash in has_offload_slaves

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=67504

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

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

--- Comment #11 from Chris Wilson <chris at chris-wilson.co.uk> ---
I think I understand it:

commit 5287660aafe45859c07874c22dca99c1ff5e555a
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Fri Aug 2 13:18:12 2013 +0100

    sna: Reserve relocation entries for the deferred VBO

    Whilst we reserved exec entry slots for the deferred VBO, there were no
    relocation spaces reserved. So if we submitted a render command followed
    by a multitude of BLT copies, we could then overrun the relocation array
    when adding the deferred vbo to the batch.

    Reported-by: Danny <moondrake at gmail.com>
    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=67504
    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

Please do check that this indeed fixes the problem, thanks!

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