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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI][BAT] igt@i915_selftest@live_contexts - dmesg-warn - BUG: Bad page state in process kworker"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111221">111221</a>
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</tr>
<tr>
<th>Summary</th>
<td>[CI][BAT] igt@i915_selftest@live_contexts - dmesg-warn - BUG: Bad page state in process kworker
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>XOrg 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>martin.peres@free.fr
</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>
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<div>
<pre><a href="https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6553/fi-icl-dsi/igt@i915_selftest@live_contexts.html">https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6553/fi-icl-dsi/igt@i915_selftest@live_contexts.html</a>
<1> [435.321134] BUG: Bad page state in process kworker/u16:22 pfn:260fc0
<4> [435.321196] page:ffffea000983f000 refcount:0 mapcount:0
mapping:0000000000000000 index:0x0
<4> [435.321198] flags: 0x8000000000000000()
<4> [435.321201] raw: 8000000000000000 dead000000000100 dead000000000122
0000000000000000
<4> [435.321203] raw: 0000000000000000 0000000000000000 00000000ffffffff
0000000000040000
<4> [435.321204] page dumped because: page still charged to cgroup
<4> [435.321205] page->mem_cgroup:0000000000040000
<4> [435.321207] Modules linked in: i915(+) amdgpu gpu_sched ttm vgem
snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic
x86_pkg_temp_thermal coretemp mei_hdcp crct10dif_pclmul snd_hda_codec
ax88179_178a crc32_pclmul usbnet snd_hwdep mii snd_hda_core e1000e
ghash_clmulni_intel snd_pcm ptp pps_core mei_me mei prime_numbers [last
unloaded: i915]
<4> [435.321222] CPU: 6 PID: 2368 Comm: kworker/u16:22 Tainted: G U
5.3.0-rc1-CI-CI_DRM_6553+ #1
<4> [435.321223] Hardware name: Intel Corporation Ice Lake Client
Platform/IceLake Y LPDDR4x T4 RVP TLC, BIOS ICLSFWR1.R00.3102.A00.1903052247
03/05/2019
<4> [435.321282] Workqueue: i915 __i915_gem_free_work [i915]
<4> [435.321284] Call Trace:
<4> [435.321289] dump_stack+0x67/0x9b
<4> [435.321294] bad_page+0xc2/0x120
<4> [435.321297] free_pcppages_bulk+0x470/0x680
<4> [435.321304] ? sg_alloc_table+0x50/0x50
<4> [435.321306] free_unref_page+0x3b/0x60
<4> [435.321309] __sg_free_table+0x49/0x80
<4> [435.321353] huge_free_pages.isra.2+0x61/0x70 [i915]
<4> [435.321395] huge_put_pages+0x1c/0x30 [i915]
<4> [435.321436] __i915_gem_object_put_pages+0x6e/0xe0 [i915]
<4> [435.321475] __i915_gem_free_objects+0x1df/0x4f0 [i915]
<4> [435.321514] __i915_gem_free_work+0x5a/0x90 [i915]
<4> [435.321518] process_one_work+0x245/0x5f0
<4> [435.321524] worker_thread+0x1d0/0x380
<4> [435.321528] ? process_one_work+0x5f0/0x5f0
<4> [435.321530] kthread+0x119/0x130
<4> [435.321532] ? kthread_park+0xa0/0xa0
<4> [435.321536] ret_from_fork+0x3a/0x50
<4> [435.321544] Disabling lock debugging due to kernel taint
<6> [435.452367] i915: Running i915_gem_context_live_selftests/igt_vm_isolation
<7> [435.452969] [drm:intel_power_well_enable [i915]] enabling always-on
<6> [440.456642] Checked 26116 scratch offsets across 5 engines
<7> [440.458026] [drm:intel_power_well_disable [i915]] disabling always-on
<7> [441.191647] [drm:intel_power_well_enable [i915]] enabling always-on
<7> [441.191719] [drm:intel_power_well_enable [i915]] enabling DC off
<7> [441.192136] [drm:gen9_set_dc_state [i915]] Setting DC state from 02 to 00
<7> [441.192221] [drm:intel_combo_phy_init [i915]] Combo PHY A already enabled,
won't reprogram it.
<7> [441.192286] [drm:intel_combo_phy_init [i915]] Combo PHY B already enabled,
won't reprogram it.
<7> [441.192330] [drm:intel_power_well_enable [i915]] enabling power well 2
<7> [441.192380] [drm:intel_power_well_enable [i915]] enabling power well 3
<7> [441.192432] [drm:intel_power_well_enable [i915]] enabling power well 4
<4> [441.272941] i915: probe of 0000:00:02.0 failed with error -25
<6> [441.468776] [IGT] i915_selftest: exiting, ret=0</pre>
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