[Bug 99107] [SNB] BUG NULL pointer deref in gen6_ppgtt_insert_entries+0x154/0x1e0
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Sat Mar 4 00:57:10 UTC 2017
https://bugs.freedesktop.org/show_bug.cgi?id=99107
Chris Wilson <chris at chris-wilson.co.uk> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEEDINFO |NEW
--- Comment #14 from Chris Wilson <chris at chris-wilson.co.uk> ---
I know where the memory starvation is coming from in v4.9+ -- it creates huge
objects and pwrites into just a page, and then never uses the object. We are
pinning the whole object, and since it is not used by the gpu, it is not
currently being accounted for -- a side-effect of the obj->mm.lock work. Even
with that fixed, this is going to be badly behaving.
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