[Bug 72917] [HSW] kms_flip hangs the machine

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=72917

--- Comment #3 from Paulo Zanoni <przanoni at gmail.com> ---
Subtest flip-vs-panning-vs-hang seems to be the first one to fail. It fails on
the following line:

..Test assertion failure function exec_nop, file kms_flip.c:648:
Last errno: 5, Input/output error
Failed assertion: drmIoctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, &execbuf) == 0 
Subtest flip-vs-panning-vs-hang: FAIL

On, the Kernel, I see the execbuf IOTCL returning -EIO and printing the
following message:
[drm:i915_gem_validate_context], Context 0 tried to submit while banned

Ben, Mika, any comments on this?

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