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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI][BAT] [ICL only] igt@* - incomplete - timeout/system hang?"
href="https://bugs.freedesktop.org/show_bug.cgi?id=107713#c20">Comment # 20</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI][BAT] [ICL only] igt@* - incomplete - timeout/system hang?"
href="https://bugs.freedesktop.org/show_bug.cgi?id=107713">bug 107713</a>
from <span class="vcard"><a class="email" href="mailto:martin.peres@free.fr" title="Martin Peres <martin.peres@free.fr>"> <span class="fn">Martin Peres</span></a>
</span></b>
<pre><a href="https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_5155/shard-iclb6/igt@pm_rpm@reg-read-ioctl.html">https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_5155/shard-iclb6/igt@pm_rpm@reg-read-ioctl.html</a>
No logs
<a href="https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_5153/shard-iclb6/igt@pm_rpm@sysfs-read.html">https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_5153/shard-iclb6/igt@pm_rpm@sysfs-read.html</a>
<4>[ 1147.152115] ? process_csb+0x790/0x790 [i915]
<4>[ 1147.152116] ? process_csb+0x790/0x790 [i915]
<4>[ 1147.152116] ? module_assert_mutex_or_preemp
<4>[ 1147.152118] Lost 31 message(s)!
<4>[ 1147.152122]
<4>[ 1147.152379] =============================
<4>[ 1147.152382] WARNING: suspicious RCU usage
<4>[ 1147.152385] 4.20.0-rc2-CI-CI_DRM_5153+ #1 Tainted: G U W
<4>[ 1147.152388] -----------------------------
<4>[ 1147.152391] ./include/linux/rcupdate.h:609 rcu_read_lock() used illegally
while idle!
<4>[ 1147.152394]
<4>[ 1147.152394] other info that might help us debug this:
<4>[ 1147.152394]
<4>[ 1147.152398]
<4>[ 1147.152398] RCU used illegally from idle CPU!
<4>[ 1147.152398] rcu_scheduler_active = 2, debug_locks = 1
<4>[ 1147.152402] RCU used illegally from extended quiescent state!
<4>[ 1147.152406] 1 lock held by swapper/0/0:
<4>[ 1147.152408] #0: 00000000dccdf396 (rcu_read_lock){....}, at:
kmsg_dump+0x12/0x1c0
<4>[ 1147.152415]
<4>[ 1147.152415] stack backtrace:
<4>[ 1147.152419] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G U W
4.20.0-rc2-CI-CI_DRM_5153+ #1
<4>[ 1147.152422] Hardware name: Intel Corporation Ice Lake Client
Platform/IceLake U DDR4 SODIMM PD RVP, BIOS ICLSFWR1.R00.2402.AD3.1810170014
10/17/2018
<4>[ 1147.152425] Call Trace:
<4>[ 1147.152430] dump_stack+0x67/0x9b
<4>[ 1147.152435] kmsg_dump+0x180/0x1c0
<4>[ 1147.152440] panic+0x13a/0x24d
<4>[ 1147.152446] ? acpi_idle_enter+0x2a6/0x2b0
<4>[ 1147.152454] __stack_chk_fail+0x10/0x10
<4>[ 1147.152458] acpi_idle_enter+0x2a6/0x2b0
<4>[ 1147.152465] cpuidle_enter_state+0x6a/0x340
<4>[ 1147.152472] do_idle+0x1f3/0x260
<4>[ 1147.152478] cpu_startup_entry+0x14/0x20
<4>[ 1147.152483] start_kernel+0x4a9/0x4c9
<4>[ 1147.152490] secondary_startup_64+0xa4/0xb0</pre>
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