Bug 111221 - [CI][BAT] igt@i915_selftest@live_contexts - dmesg-warn - BUG: Bad page state in process kworker
Summary: [CI][BAT] igt@i915_selftest@live_contexts - dmesg-warn - BUG: Bad page state ...
Status: RESOLVED NOTOURBUG
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: XOrg git
Hardware: Other All
: high normal
Assignee: Intel GFX Bugs mailing list
QA Contact: Intel GFX Bugs mailing list
URL:
Whiteboard: ReadyForDev
Keywords:
Depends on:
Blocks:
 
Reported: 2019-07-26 08:26 UTC by Martin Peres
Modified: 2019-07-26 08:38 UTC (History)
1 user (show)

See Also:
i915 platform: ICL
i915 features: GEM/Other

Attachments

Description Martin Peres 2019-07-26 08:26:21 UTC 
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6553/fi-icl-dsi/igt@i915_selftest@live_contexts.html

<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
Comment 1 CI Bug Log 2019-07-26 08:27:04 UTC 
The CI Bug Log issue associated to this bug has been updated.

### New filters associated

* ICL: igt@i915_selftest@live_contexts - dmesg-warn - BUG: Bad page state in process kworker
  - https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6553/fi-icl-dsi/igt@i915_selftest@live_contexts.html
Comment 2 Chris Wilson 2019-07-26 08:38:59 UTC 
The test just before shows that there is HW memcorruption. We need to replace this preproduction icl asap.

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