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<body><span class="vcard"><a class="email" href="mailto:huax.lu@intel.com" title="lu hua <huax.lu@intel.com>"> <span class="fn">lu hua</span></a>
</span> changed
<a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [BDW]igt/kms_flip/flip-vs-modeset-vs-hang-interruptible randomly causes system hang"
href="https://bugs.freedesktop.org/show_bug.cgi?id=72631">bug 72631</a>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Status</td>
<td>NEEDINFO
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<td>NEW
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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [BDW]igt/kms_flip/flip-vs-modeset-vs-hang-interruptible randomly causes system hang"
href="https://bugs.freedesktop.org/show_bug.cgi?id=72631#c15">Comment # 15</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [BDW]igt/kms_flip/flip-vs-modeset-vs-hang-interruptible randomly causes system hang"
href="https://bugs.freedesktop.org/show_bug.cgi?id=72631">bug 72631</a>
from <span class="vcard"><a class="email" href="mailto:huax.lu@intel.com" title="lu hua <huax.lu@intel.com>"> <span class="fn">lu hua</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=72631#c14">comment #14</a>)
<span class="quote">> Created <span class=""><a href="attachment.cgi?id=94296" name="attach_94296" title="drm/i915: Fix forcewake counts for gen8">attachment 94296</a> <a href="attachment.cgi?id=94296&action=edit" title="drm/i915: Fix forcewake counts for gen8">[details]</a></span> <a href='page.cgi?id=splinter.html&bug=72631&attachment=94296'>[review]</a> [review]
> drm/i915: Fix forcewake counts for gen8</span >
Test this patch, It core dumped, doesn't cause system hang.
output:
Using monotonic timestamps
Beginning flip-vs-modeset-vs-hang-interruptible on crtc 3, connector 10
1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780
..Test assertion failure function exec_nop, file kms_flip.c:693:
Last errno: 5, Input/output error
Failed assertion: drmIoctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, &execbuf) == 0
Subtest flip-vs-modeset-vs-hang-interruptible: FAIL
Test assertion failure function gem_quiescent_gpu, file drmtest.c:156:
Last errno: 5, Input/output error
Failed assertion: drmIoctl((fd), ((((1U) << (((0+8)+8)+14)) | ((('d')) <<
(0+8)) | (((0x40 + 0x29)) << 0) | ((((sizeof(struct
drm_i915_gem_execbuffer2)))) << ((0+8)+8)))), (&execbuf)) == 0
kms_flip: drmtest.c:1113: igt_fail: Assertion `!test_with_subtests ||
in_fixture' failed.
Aborted (core dumped)</pre>
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