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<base href="https://bugs.freedesktop.org/">
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI][SHARDS] igt@gem_flink_race@flink_close - dmesg-warn - DEBUG_LOCKS_WARN_ON(mutex_is_locked(lock))"
href="https://bugs.freedesktop.org/show_bug.cgi?id=110343">110343</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[CI][SHARDS] igt@gem_flink_race@flink_close - dmesg-warn - DEBUG_LOCKS_WARN_ON(mutex_is_locked(lock))
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>DRI git
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>lakshminarayana.vudum@intel.com
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
<p>
<div>
<pre><a href="https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_5875/shard-iclb6/igt@gem_flink_race@flink_close.html">https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_5875/shard-iclb6/igt@gem_flink_race@flink_close.html</a>
<6> [2420.394363] Console: switching to colour dummy device 80x25
<6> [2420.394412] [IGT] gem_flink_race: executing
<6> [2420.399327] [IGT] gem_flink_race: starting subtest flink_close
<4> [2425.300723] ------------[ cut here ]------------
<4> [2425.300734] DEBUG_LOCKS_WARN_ON(mutex_is_locked(lock))
<4> [2425.300742] WARNING: CPU: 5 PID: 7676 at kernel/locking/mutex-debug.c:103
mutex_destroy+0x49/0x50
<4> [2425.300759] Modules linked in: i2c_dev vgem snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic x86_pkg_temp_thermal i915 coretemp
mei_hdcp crct10dif_pclmul crc32_pclmul snd_hda_intel snd_hda_codec cdc_ether
snd_hwdep ghash_clmulni_intel usbnet snd_hda_core mii e1000e i2c_i801 snd_pcm
ptp pps_core mei_me mei prime_numbers
<4> [2425.300803] CPU: 5 PID: 7676 Comm: kworker/u16:41 Tainted: G U
5.1.0-rc3-CI-CI_DRM_5875+ #1
<4> [2425.300815] Hardware name: Intel Corporation Ice Lake Client
Platform/IceLake U DDR4 SODIMM PD RVP TLC, BIOS
ICLSFWR1.R00.3087.A00.1902250334 02/25/2019
<4> [2425.300880] Workqueue: i915 __i915_gem_free_work [i915]
<4> [2425.300889] RIP: 0010:mutex_destroy+0x49/0x50
<4> [2425.300896] Code: 00 00 5b c3 e8 48 26 3b 00 85 c0 74 ed 8b 05 a2 5c 23
01 85 c0 75 e3 48 c7 c6 60 01 08 82 48 c7 c7 18 df 06 82 e8 d7 17 fa ff <0f> 0b
eb cc 0f 1f 00 48 b8 11 11 11 11 11 11 11 11 48 89 76 20 48
<4> [2425.300916] RSP: 0018:ffffc90000adbdd8 EFLAGS: 00010282
<4> [2425.300924] RAX: 0000000000000000 RBX: ffff88831a25bf10 RCX:
0000000000000000
<4> [2425.300933] RDX: 0000000000000002 RSI: 0000000000000001 RDI:
ffffffff81126564
<4> [2425.300941] RBP: ffff8884936b9208 R08: 0000000000000000 R09:
0000000000000000
<4> [2425.300950] R10: 0000000000000000 R11: 0000000000001dfc R12:
ffff8884936b0000
<4> [2425.300958] R13: ffff8884936b0068 R14: ffffffff8233ebf0 R15:
0000000000000000
<4> [2425.300967] FS: 0000000000000000(0000) GS:ffff88849ff40000(0000)
knlGS:0000000000000000
<4> [2425.300977] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [2425.300985] CR2: 00007fb44af089a8 CR3: 000000040cf06001 CR4:
0000000000760ee0
<4> [2425.300993] PKRU: 55555554
<4> [2425.300997] Call Trace:
<4> [2425.301045] __i915_gem_free_objects+0x39e/0x720 [i915]
<4> [2425.301092] __i915_gem_free_work+0x5a/0x90 [i915]
<4> [2425.301101] process_one_work+0x245/0x610
<4> [2425.301109] worker_thread+0x37/0x380
<4> [2425.301117] ? process_one_work+0x610/0x610
<4> [2425.301124] kthread+0x119/0x130
<4> [2425.301130] ? kthread_park+0x80/0x80
<4> [2425.301139] ret_from_fork+0x24/0x50
<4> [2425.301148] irq event stamp: 1855377
<4> [2425.301155] hardirqs last enabled at (1855377): [<ffffffff8122ea58>]
__slab_free+0x3e8/0x4f0
<4> [2425.301166] hardirqs last disabled at (1855376): [<ffffffff8122e7a9>]
__slab_free+0x139/0x4f0
<4> [2425.301178] softirqs last enabled at (1849702): [<ffffffff81c0033a>]
__do_softirq+0x33a/0x4b9
<4> [2425.301190] softirqs last disabled at (1849695): [<ffffffff810b5159>]
irq_exit+0xa9/0xc0
<4> [2425.301201] WARNING: CPU: 5 PID: 7676 at kernel/locking/mutex-debug.c:103
mutex_destroy+0x49/0x50
<4> [2425.301211] ---[ end trace cfc39dc2547ed83f ]---
<6> [2425.593015] [IGT] gem_flink_race: exiting, ret=0
<5> [2425.593215] Setting dangerous option reset - tainting kernel
<6> [2425.630793] Console: switching to colour frame buffer device 240x67</pre>
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