Bug 110401 - [CI][DRMTIP] igt@gem_create@create-clear - incomplete - system hang/timeout
Summary: [CI][DRMTIP] igt@gem_create@create-clear - incomplete - system hang/timeout
Status: RESOLVED NOTOURBUG
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: DRI git
Hardware: Other All
: medium normal
Assignee: Intel GFX Bugs mailing list
QA Contact: Intel GFX Bugs mailing list
URL:
Whiteboard: ReadyForDev
Keywords:
Depends on:
Blocks:
 
Reported: 2019-04-11 05:55 UTC by Lakshmi
Modified: 2019-09-08 14:44 UTC (History)
1 user (show)

See Also:
i915 platform: CFL, HSW, KBL, SKL
i915 features: GEM/Other


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Description Lakshmi 2019-04-11 05:55:41 UTC
All the failures are incompletes. 

https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_249/fi-cfl-guc/igt@gem_create@create-clear.html

<6> [23.212172] Console: switching to colour dummy device 80x25
<6> [23.212212] [IGT] gem_create: executing
<6> [23.217046] [IGT] gem_create: starting subtest create-clear
<6> [23.217130] gem_create (1074): drop_caches: 4
<1> [29.434977] BUG: Bad page state in process kworker/9:1  pfn:25e8c0
<4> [29.435036] page:ffffd768097a3000 count:0 mapcount:-128 mapping:0000000000000000 index:0x1
<4> [29.435039] flags: 0x8000000000000000()
<4> [29.435042] raw: 8000000000000000 dead000000000100 dead000000000200 0000000000000000
<4> [29.435044] raw: 0000000000000001 0000000000000000 00000000ffffff7f 0000000000000000
<4> [29.435045] page dumped because: nonzero mapcount
<4> [29.435046] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic i915 mei_hdcp x86_pkg_temp_thermal coretemp snd_hda_intel crct10dif_pclmul snd_hda_codec crc32_pclmul ghash_clmulni_intel snd_hwdep snd_hda_core e1000e snd_pcm mei_me mei ptp pps_core prime_numbers
<4> [29.435059] CPU: 9 PID: 259 Comm: kworker/9:1 Tainted: G     U            5.1.0-rc3-g03f3a57c6df4-drmtip_249+ #1
<4> [29.435060] Hardware name: Micro-Star International Co., Ltd. MS-7B54/Z370M MORTAR (MS-7B54), BIOS 1.10 12/28/2017
<4> [29.435064] Workqueue: events delayed_fput
<4> [29.435066] Call Trace:
<4> [29.435070]  dump_stack+0x67/0x9b
<4> [29.435074]  bad_page+0xbf/0x120
<4> [29.435077]  free_pcppages_bulk+0x470/0x6a0
<4> [29.435085]  free_unref_page_list+0x111/0x250

https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_249/fi-kbl-x1275/igt@gem_create@create-clear.html

 ------------[ cut here ]------------
<4> [26.557602] list_del corruption. prev->next should be ffffc89689039f88, but was ffffc896898f3b08
<4> [26.557612] WARNING: CPU: 4 PID: 994 at lib/list_debug.c:53 __list_del_entry_valid+0x79/0x90
<4> [26.557614] Modules linked in: i915 x86_pkg_temp_thermal coretemp crct10dif_pclmul igb crc32_pclmul ghash_clmulni_intel ptp pps_core mei_me prime_numbers mei acpi_power_meter
<4> [26.557622] CPU: 4 PID: 994 Comm: dmesg Tainted: G     U            5.1.0-rc3-g03f3a57c6df4-drmtip_249+ #1
<4> [26.557623] Hardware name: Intel Corporation S1200SP/S1200SP, BIOS S1200SP.86B.03.01.0026.092720170729 09/27/2017
<4> [26.557625] RIP: 0010:__list_del_entry_valid+0x79/0x90
<4> [26.557627] Code: 0b 31 c0 c3 48 89 fe 48 c7 c7 08 7f 09 ac e8 2e 33 be ff 0f 0b 31 c0 c3 48 89 f2 48 89 fe 48 c7 c7 40 7f 09 ac e8 17 33 be ff <0f> 0b 31 c0 c3 48 c7 c7 80 7f 09 ac e8 06 33 be ff 0f 0b 31 c0 c3
<4> [26.557628] RSP: 0000:ffffa50d80c3bbe0 EFLAGS: 00010086
<4> [26.557630] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000
<4> [26.557631] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000ffffffff
<4> [26.557632] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000001
<4> [26.627213] CPU: 3 PID: 1 Comm: systemd Tainted: G    BU  W         5.1.0-rc3-g03f3a57c6df4-drmtip_249+ #1
<4> [26.641210] CPU: 3 PID: 1 Comm: systemd Tainted: G    BU  W         5.1.0-rc3-g03f3a57c6df4-drmtip_249+ #1
<4> [26.655292] CPU: 3 PID: 1 Comm: systemd Tainted: G    BU  W         5.1.0-rc3-g03f3a57c6df4-drmtip_249+ #1
<4> [26.676457]  ? page_fault+0x8/0x30
<4> [26.690920] RSP: 0000:ffffa50d8006fa88 EFLAGS: 00010086
<4> [27.675094] hardirqs last disabled at (83564): [<ffffffffab9ad9ea>] __schedule+0xaa/0xb40
<4> [28.337724] softirqs last disabled at (83260): [<ffffffffab9278ba>] unix_sock_destructor+0x4a/0xb0
<4> [29.211553] R10: 00000000ffffffff R11: 0000000000000246 R12: ffffffffffffffff
<4> [30.462609] RSP: 0000:ffffa50d8006fee0 EFLAGS: 00010086
<4> [31.145107] RAX: 0000000000001000 RBX: 0000000000000000 RCX: 0000000000001000
<4> [31.848697] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4> [33.867078] Modules linked in: i915 x86_pkg_temp_thermal coretemp crct10dif_pclmul igb crc32_pclmul ghash_clmulni_intel ptp pps_core mei_me prime_numbers mei acpi_power_meter
<4> [35.439127] RDX: 0000000000000009 RSI: 00007ffc67ba7198 RDI: 0000000000000000
<4> [36.977790] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
<4> [38.746738] FS:  0000000000000000(0000) GS:ffff928d2b6c0000(0000) knlGS:0000000000000000
<4> [40.302408] RIP: 0010:ext4_mpage_readpages+0x80e/0x870
<4> [41.216185] R13: ffffc896890306c8 R14: fffffffffffffff0 R15: 000000000000003f
<4> [42.148272] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4> [42.382942] FS:  00007f9d4af4c8c0(0000) GS:ffff928d2b680000(0000) knlGS:0000000000000000
<4> [42.391425] R10: 0000000000000000 R11: ffffa50d8006fd90 R12: dead000000000200


The rest of the failures doesn't have much in the logs. Let me know if any failure needs a separate bug.
Comment 2 Lakshmi 2019-04-11 05:57:41 UTC
Is it a firmware bug?
Comment 3 Chris Wilson 2019-04-11 06:43:04 UTC
(In reply to Lakshmi from comment #2)
> Is it a firmware bug?

No, a bug in mm/ is my bet.
Comment 4 CI Bug Log 2019-08-21 13:33:45 UTC
A CI Bug Log filter associated to this bug has been updated:

{- GUC: igt@gem_create@create-clear - incomplete - BUG: Bad page state in process kworker -}
{+ CFL: igt@gem_create@create-clear - incomplete - BUG: Bad page state in process kworker +}


  No new failures caught with the new filter
Comment 5 Chris Wilson 2019-09-08 14:44:32 UTC
This particular bad page has not reoccurred. I believe it was not our bug...


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