[Bug 90953] [IVB] GPU hang (possibly triggered by VA-API)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90953

--- Comment #6 from Simon Farnsworth <simon at farnz.org.uk> ---
(In reply to Sean V Kelley from comment #3)
> What are you actually executing with libva/intel-driver?
> 
> Also, retest with libva/intel-driver master.

I've brought libva to:

commit 5d07b29687db6d17811b7ecf9b779377e9851a27
Author: Xiang, Haihao <haihao.xiang at intel.com>
Date:   Wed Jun 10 14:41:14 2015 +0800

    test/decode/tinyjpeg: make sure the pointer is valid before dereferencing
it

    Signed-off-by: Xiang, Haihao <haihao.xiang at intel.com>
    Reviewed-by: Sean V Kelley <seanvk at posteo.de>
    (cherry picked from commit 8455834161bab3374fe9756fd4a28d919027daf7)


and intel-driver to:

commit e797089446c1f5b71b239b9046d76e054dfcba59
Author: Zhong Li <zhong.li at intel.com>
Date:   Mon Jun 8 12:42:21 2015 +0800

    VP8 HWEnc: Modify qp threshold value for mode cost calculatation

    The patch is helpful to improve quality when qp is lower than the
    threshold value.

    Signed-off-by: Zhong Li <zhong.li at intel.com>

I've seen a hang - I'll attach the error state in case it's different.

I'm using vaapidecode ! queue ! vaapipostproc ! vaapisink with suitable
parameters set (MCDI if possible) to handle video. The queue is set to take up
to 6 frames of video from vaapidecode.

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