On Fri, Jul 25, 2014 at 10:17:26AM +0100, Chris Wilson wrote:
> On Fri, Jul 25, 2014 at 11:06:38AM +0200, Daniel Vetter wrote:
> > On Fri, Jul 25, 2014 at 10:00:19AM +0100, [email protected] wrote:
> > > From: Tim Gore <[email protected]>
> > > 
> > > gem_mmap_offset_exhaustion relies on purgeable memory
> > > allocations getting swapped out, freeing up physical
> > > memory for further allocations. On Android we have no
> > > swap partition so this cannot happen and the test gets
> > > killed by the low memory killer before mmap offset
> > > exhaustion can happen, thus defeating the tests purpose.
> > > 
> > > Signed-off-by: Tim Gore <[email protected]>
> > 
> > 
> > 
> >     /* we happily leak objects to exhaust mmap offset space, the kernel will
> >      * reap backing storage. */
> >     gem_madvise(fd, handle, I915_MADV_DONTNEED);
> > 
> > There's really no way you should be able to run out of memory. I suspect
> > android kernel's will fall over even with swap.
> 
> No, it's just the android lowmemkiller hates i915 by design. The two are
> more or less incompatible.

Well someone should fix up the lowmemkiller then. Disabling the test is
not really fixing it.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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