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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [CI][BAT]igt@i915_selftest@live_gt_heartbeat - dmesg-fail - live_idle_flush failed with error -22"
href="https://bugs.freedesktop.org/show_bug.cgi?id=112096#c22">Comment # 22</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [CI][BAT]igt@i915_selftest@live_gt_heartbeat - dmesg-fail - live_idle_flush failed with error -22"
href="https://bugs.freedesktop.org/show_bug.cgi?id=112096">bug 112096</a>
from <span class="vcard"><a class="email" href="mailto:lakshminarayana.vudum@intel.com" title="Lakshmi <lakshminarayana.vudum@intel.com>"> <span class="fn">Lakshmi</span></a>
</span></b>
<pre>(In reply to Chris Wilson from <a href="show_bug.cgi?id=112096#c20">comment #20</a>)
<span class="quote">> And the annoying thing is...
>
> <3> [383.431019] vcs0: heartbeat pulse did not flush idle tasks
> <3> [383.431123] *ERROR* pulse active pulse_active+0x0/0x10
> [i915]:pulse_retire+0x0/0x10 [i915]
> <3> [383.431128] *ERROR* pulse count: 0
> <3> [383.431132] *ERROR* pulse preallocated barriers? no
>
> it is nothing more than bad timing; a missing CPU barrier. But where? I'm
> running out of places to put them!</span >
<span class="quote">> <a href="https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7417/fi-kbl-guc/">https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7417/fi-kbl-guc/</a>
> igt@<a href="mailto:i915_selftest@live_gt_heartbeat.html">i915_selftest@live_gt_heartbeat.html</a></span >
Another failure
<3> [686.205010] i915/intel_heartbeat_live_selftests: live_idle_pulse failed
with error -62</pre>
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