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<base href="https://bugs.freedesktop.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI][SHARDS]igt@kms_plane_scaling@pipe-b-scaler-with-clipping-clamping - dmesg-warn - BUG: kernel NULL pointer dereference, address: 0000000000000018"
href="https://bugs.freedesktop.org/show_bug.cgi?id=112320">112320</a>
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</tr>
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<th>Summary</th>
<td>[CI][SHARDS]igt@kms_plane_scaling@pipe-b-scaler-with-clipping-clamping - dmesg-warn - BUG: kernel NULL pointer dereference, address: 0000000000000018
</td>
</tr>
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<th>Product</th>
<td>DRI
</td>
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<th>Version</th>
<td>DRI git
</td>
</tr>
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<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>not set
</td>
</tr>
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<th>Priority</th>
<td>not set
</td>
</tr>
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<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
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<th>Reporter</th>
<td>lakshminarayana.vudum@intel.com
</td>
</tr>
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<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
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<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_7359/shard-iclb7/igt@kms_plane_scaling@pipe-b-scaler-with-clipping-clamping.html">https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7359/shard-iclb7/igt@kms_plane_scaling@pipe-b-scaler-with-clipping-clamping.html</a>
<1> [644.752543] BUG: kernel NULL pointer dereference, address:
0000000000000018
<1> [644.752553] #PF: supervisor read access in kernel mode
<1> [644.752559] #PF: error_code(0x0000) - not-present page
<6> [644.752566] PGD 0 P4D 0
<4> [644.752571] Oops: 0000 [#1] PREEMPT SMP NOPTI
<4> [644.752577] CPU: 3 PID: 1219 Comm: kworker/u16:58 Tainted: G U
5.4.0-rc8-CI-CI_DRM_7359+ #1
<4> [644.752588] Hardware name: Intel Corporation Ice Lake Client
Platform/IceLake U DDR4 SODIMM PD RVP, BIOS ICLSFWR1.R00.3234.A01.1906141750
06/14/2019
<4> [644.752644] Workqueue: i915 __i915_gem_free_work [i915]
<4> [644.752653] RIP: 0010:set_page_dirty+0x2f/0xb0
<4> [644.752659] Code: 57 9d 01 00 48 8b 53 08 48 8d 4a ff 83 e2 01 48 0f 45 d9
48 85 c0 74 50 48 8b 4b 08 48 8b 80 08 01 00 00 48 8d 51 ff 83 e1 01 <48> 8b 40
18 48 0f 44 d3 48 8b 12 f7 c2 00 00 04 00 74 14 48 8b 4b
<4> [644.752676] RSP: 0018:ffffc90000b13d18 EFLAGS: 00010246
<4> [644.752683] RAX: 0000000000000000 RBX: ffffea001229d700 RCX:
0000000000000000
<4> [644.752691] RDX: ffffea000f7100c7 RSI: ffffea001229d700 RDI:
ffffea001229d700
<4> [644.752698] RBP: ffff888488739260 R08: 0000000000000000 R09:
0000000000000001
<4> [644.752706] R10: 0000000000000000 R11: 0000000000000000 R12:
0000000000004000
<4> [644.752714] R13: 0000000000000000 R14: ffff88847f24cb40 R15:
ffffea001229d700
<4> [644.752722] FS: 0000000000000000(0000) GS:ffff88849fd80000(0000)
knlGS:0000000000000000
<4> [644.752731] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [644.752738] CR2: 0000000000000018 CR3: 0000000005210005 CR4:
0000000000760ee0
<4> [644.752746] PKRU: 55555554
<4> [644.752750] Call Trace:
<4> [644.752797] shmem_put_pages+0x1f1/0x250 [i915]
<4> [644.752851] __i915_gem_object_put_pages+0x8b/0x110 [i915]
<4> [644.752927] __i915_gem_free_objects+0xc1/0x3e0 [i915]
<4> [644.752936] process_one_work+0x26a/0x620
<4> [644.752944] worker_thread+0x37/0x380
<4> [644.752951] ? process_one_work+0x620/0x620
<4> [644.752957] kthread+0x119/0x130
<4> [644.752962] ? kthread_park+0x80/0x80
<4> [644.752969] ret_from_fork+0x24/0x50
<4> [644.752977] Modules linked in: vgem snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic i915 x86_pkg_temp_thermal coretemp
mei_hdcp snd_hda_intel snd_intel_dspcfg crct10dif_pclmul snd_hda_codec
crc32_pclmul cdc_ether snd_hwdep usbnet mii snd_hda_core e1000e
ghash_clmulni_intel snd_pcm ptp pps_core mei_me mei thunderbolt prime_numbers</pre>
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