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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BAT] [CNL only] igt@* - incomplete - system hang?"
href="https://bugs.freedesktop.org/show_bug.cgi?id=105086#c15">Comment # 15</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [BAT] [CNL only] igt@* - incomplete - system hang?"
href="https://bugs.freedesktop.org/show_bug.cgi?id=105086">bug 105086</a>
from <span class="vcard"><a class="email" href="mailto:marta.lofstedt@intel.com" title="Marta Löfstedt <marta.lofstedt@intel.com>"> <span class="fn">Marta Löfstedt</span></a>
</span></b>
<pre><a href="https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_4/fi-cnl-y3/igt@kms_atomic_transition@plane-all-modeset-transition.html">https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_4/fi-cnl-y3/igt@kms_atomic_transition@plane-all-modeset-transition.html</a>
run.log:
running: igt/kms_atomic_transition/plane-all-modeset-transition
[29/97] skip: 11, pass: 16, fail: 2 /
FATAL: command execution failed
...
Completed CI_IGT_test drmtip_4/fi-cnl-y3/7 : FAILURE
CI_IGT_test runtime 556 seconds
Rebooting fi-cnl-y3
dmesg:
<7>[ 136.865074] [IGT] kms_atomic_transition: starting subtest
plane-all-modeset-transition
...
<7>[ 307.183896] [drm:intel_enable_shared_dpll [i915]] enable DPLL 0 (active
4, on? 0) for crtc 99
<7>[ 307.184048] [drm:intel_enable_shared_dpll [i915]] enabling DPLL 0
<7>[ 307.184538] [drm:intel_dp_dual_mode_set_tmds_output [i915]] Enabling DP
dual mode adaptor TMDS output
pstore is missing beader of back trace however, the stuff there indicates some
CPU scheduling issue:
<4>[ 326.290574] Call Trace:
<4>[ 326.290584] ? do_idle+0x188/0x1d0
<4>[ 326.290591] ? cpu_startup_entry+0x14/0x20
<4>[ 326.290597] ? start_secondary+0x129/0x160
<4>[ 326.290603] ? secondary_startup_64+0xa5/0xb0
...
<1>[ 326.290711] RIP: acpi_idle_enter+0x103/0x290 RSP: ffff9965800ffeb0
<4>[ 326.290717] ---[ end trace 5cba7989ef49428d ]---
<0>[ 326.588085] Kernel panic - not syncing: Attempted to kill the idle task!
<4>[ 326.588097] ------------[ cut here ]------------
<4>[ 326.588100] sched: Unexpected reschedule of offline CPU#3!</pre>
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