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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 - [SNB regression bisected]igt/gem_reset_stats/ban-ctx-render causes system hang"
href="https://bugs.freedesktop.org/show_bug.cgi?id=87429">bug 87429</a>
<br>
<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Severity</td>
<td>major
</td>
<td>critical
</td>
</tr></table>
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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [SNB regression bisected]igt/gem_reset_stats/ban-ctx-render causes system hang"
href="https://bugs.freedesktop.org/show_bug.cgi?id=87429#c7">Comment # 7</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [SNB regression bisected]igt/gem_reset_stats/ban-ctx-render causes system hang"
href="https://bugs.freedesktop.org/show_bug.cgi?id=87429">bug 87429</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>Run ./gem_reset_stats --run-subtest ban-render, system also hang.
output:
IGT-Version: 1.9-gc537cdb (x86_64) (Linux:
3.18.0_drm-intel-nightly_4fa231_20141221+ x86_64)
dmesg:
[ 100.747004] console [netcon0] enabled
[ 100.748232] netconsole: network logging started
[ 100.755058] console [netcon0] disabled
[ 100.773377] console [netcon0] enabled
[ 100.774640] netconsole: network logging started
[ 103.062178] NET: Registered protocol family 10
[ 120.331211] gem_reset_stats: executing
[ 120.332608] [drm:i915_gem_open]
[ 120.334171] [drm:i915_gem_open]
[ 120.335400] [drm:i915_gem_context_create_ioctl] HW context 1 created
[ 120.336645] [drm:i915_gem_context_destroy_ioctl] HW context 1 destroyed
[ 120.337881] [drm:i915_gem_open]
[ 120.339167] gem_reset_stats: starting subtest ban-render
[ 120.340412] [drm:i915_gem_open]
[ 120.341937] [drm:i915_gem_open]
[ 120.343143] [drm:i915_gem_open]
[ 120.344621] [drm:i915_ring_stop_set] Stopping rings 0x80000001
[ 130.802652] [drm] stuck on render ring
[ 130.804371] [drm] GPU HANG: ecode 6:0:0xe77fffff, in gem_reset_stats [4232],
reason: Ring hung, action: reset
[ 130.805614] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[ 130.806883] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[ 130.808172] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[ 130.809527] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[ 130.810894] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[ 130.812300] [drm:i915_error_work_func] resetting chip
[ 130.815362] [drm] Simulated gpu hang, resetting stop_rings
[ 130.816704] drm/i915: Resetting chip after gpu hang
[ 130.818088] [drm:ironlake_update_primary_plane] Writing base 001F3000
00000000 0 0 6400
[ 130.819566] [drm:i915_ring_stop_set] Stopping rings 0x80000001</pre>
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