Bug 112348 - [CI][SHARDS]igt@gem_ctx_create@basic-files - dmesg-warn - BUG kmalloc-8k (Tainted:.*): Redzone overwritten
Summary: [CI][SHARDS]igt@gem_ctx_create@basic-files - dmesg-warn - BUG kmalloc-8k (Tai...
Status: RESOLVED MOVED
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: DRI git
Hardware: Other All
: not set not set
Assignee: Intel GFX Bugs mailing list
QA Contact: Intel GFX Bugs mailing list
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2019-11-20 09:00 UTC by Lakshmi
Modified: 2019-11-29 19:50 UTC (History)
1 user (show)

See Also:
i915 platform: ICL
i915 features:


Attachments

Description Lakshmi 2019-11-20 09:00:13 UTC
https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3726/shard-iclb7/igt@gem_ctx_create@basic-files.html
6> [93.168450] Console: switching to colour dummy device 80x25
<6> [93.168495] [IGT] gem_ctx_create: executing
<5> [93.175965] Setting dangerous option reset - tainting kernel
<6> [93.178647] [IGT] gem_ctx_create: starting subtest basic-files
<7> [95.689107] [drm:edp_panel_vdd_off_sync [i915]] Turning [ENCODER:214:DDI A] VDD off
<7> [95.689302] [drm:edp_panel_vdd_off_sync [i915]] PP_STATUS: 0x80000008 PP_CONTROL: 0x00000067
<7> [95.689340] [drm:intel_power_well_disable [i915]] disabling DC off
<7> [95.689383] [drm:skl_enable_dc6 [i915]] Enabling DC6
<7> [95.689420] [drm:gen9_set_dc_state [i915]] Setting DC state from 00 to 02
<3> [98.786793] =============================================================================
<3> [98.786936] BUG kmalloc-8k (Tainted: G     U           ): Redzone overwritten
<3> [98.786953] -----------------------------------------------------------------------------

<4> [98.786974] Disabling lock debugging due to kernel taint
<3> [98.786976] INFO: 0x00000000cd9c7f25-0x00000000d09cd61d. First byte 0x0 instead of 0xcc
<3> [98.787024] INFO: Allocated in __alloc_pd+0xb/0x30 [i915] age=4300 cpu=6 pid=1127
<3> [98.787032] 	__slab_alloc.isra.84.constprop.89+0x3d/0x70
<3> [98.787036] 	__kmalloc+0x2b1/0x320
<3> [98.787073] 	__alloc_pd+0xb/0x30 [i915]
<3> [98.787109] 	alloc_pd+0x16/0x50 [i915]
<3> [98.787142] 	__gen8_ppgtt_alloc+0x436/0x690 [i915]
<3> [98.787176] 	__gen8_ppgtt_alloc+0x2eb/0x690 [i915]
<3> [98.787209] 	gen8_ppgtt_alloc+0xc1/0x270 [i915]
<3> [98.787241] 	ppgtt_bind_vma+0x2a/0xc0 [i915]
<3> [98.787274] 	__vma_bind+0x26/0xc0 [i915]
<3> [98.787300] 	fence_work+0x1c/0x80 [i915]
<3> [98.787305] 	process_one_work+0x26a/0x620
<3> [98.787308] 	worker_thread+0x37/0x380
<3> [98.787313] 	kthread+0x119/0x130
<3> [98.787317] 	ret_from_fork+0x24/0x50
<3> [98.787321] INFO: Slab 0x00000000b858867f objects=1 used=1 fp=0x000000006053eb3c flags=0x8000000000010201
<3> [98.787328] INFO: Object 0x0000000086fb50a4 @offset=8192 fp=0x000000006053eb3c
Comment 1 CI Bug Log 2019-11-20 09:01:51 UTC
The CI Bug Log issue associated to this bug has been updated.

### New filters associated

* ICL: igt@gem_ctx_create@basic-files - dmesg-warn - BUG kmalloc-8k (Tainted:.*): Redzone overwritten
  - https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3726/shard-iclb7/igt@gem_ctx_create@basic-files.html
Comment 2 Chris Wilson 2019-11-20 09:11:41 UTC
Doesn't look like us; we now have a cluster of memcorruption bugs, so something is definitely upset.
Comment 3 Martin Peres 2019-11-29 19:50:51 UTC
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been closed from further activity.

You can subscribe and participate further through the new bug through this link to our GitLab instance: https://gitlab.freedesktop.org/drm/intel/issues/626.


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