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Message-ID: <20180419050339.jih5nqtnztq6zr6v@wfg-t540p.sh.intel.com>
Date:   Thu, 19 Apr 2018 13:03:39 +0800
From:   Fengguang Wu <fengguang.wu@...el.com>
To:     dri-devel@...ts.freedesktop.org
Cc:     Daniel Vetter <daniel.vetter@...el.com>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Sean Paul <seanpaul@...omium.org>,
        David Airlie <airlied@...ux.ie>,
        Ville Syrjälä <ville.syrjala@...ux.intel.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Thierry Reding <treding@...dia.com>,
        linux-kernel@...r.kernel.org, lkp@...org
Subject: [drm_wait_one_vblank] WARNING: CPU: 0 PID: 269 at
 drivers/gpu/drm/drm_vblank.c:1084 drm_wait_one_vblank+0x160/0x170 [drm]

Hello,

FYI this happens in mainline kernel and at least dates back to v4.13 .
It has been reported before, well sorry, if cannot be fixed or
work-around, it'll keep popping up in our tests and consume our time.
The last resort would be to blacklist this error from future 0day
reports.

[   13.867832] 	[00] BAD  ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   13.874320] 	[00] BAD  ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   14.037671] fbcon: inteldrmfb (fb0) is primary device
[   14.176079] ------------[ cut here ]------------
[   14.176081] vblank wait timed out on crtc 0
[   14.176118] WARNING: CPU: 0 PID: 269 at drivers/gpu/drm/drm_vblank.c:1084 drm_wait_one_vblank+0x160/0x170 [drm]
[   14.176119] Modules linked in: intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp snd_hda_codec_realtek snd_hda_codec_generic kvm_intel i915 kvm snd_hda_intel irqbypass crct10dif_pclmul crc32_pclmul snd_hda_codec crc32c_intel ghash_clmulni_intel drm_kms_helper pcbc ahci syscopyarea snd_hda_core aesni_intel libahci snd_hwdep crypto_simd sysfillrect sysimgblt fb_sys_fops dcdbas snd_pcm cryptd glue_helper libata pcspkr snd_timer shpchp drm snd soundcore video ip_tables
[   14.176139] CPU: 0 PID: 269 Comm: kworker/u16:7 Not tainted 4.17.0-rc1 #1
[   14.176140] Hardware name: Dell Inc. OptiPlex 9020/0DNKMN, BIOS A05 12/05/2013
[   14.176144] Workqueue: events_unbound async_run_entry_fn
[   14.176154] RIP: 0010:drm_wait_one_vblank+0x160/0x170 [drm]
[   14.176155] RSP: 0018:ffffc900013cf918 EFLAGS: 00010296
[   14.176157] RAX: 000000000000001f RBX: ffff88021bfe8000 RCX: 0000000000000000
[   14.176157] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000202
[   14.176158] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000001f
[   14.176159] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[   14.176160] R13: 0000000000000002 R14: ffff88021b98a008 R15: ffff88021b64fc00
[   14.176161] FS:  0000000000000000(0000) GS:ffff88021ea00000(0000) knlGS:0000000000000000
[   14.176162] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.176163] CR2: 0000557ac4b38e50 CR3: 000000021d40a002 CR4: 00000000001606f0
[   14.176164] Call Trace:
[   14.176171]  ? finish_wait+0x80/0x80:
						autoremove_wake_function at kernel/sched/wait.c:372
[   14.176216]  hsw_enable_crt+0x3d/0x90 [i915]
[   14.176253]  intel_encoders_enable+0x55/0x80 [i915]
[   14.176285]  haswell_crtc_enable+0x2a2/0x7f0 [i915]
[   14.176315]  intel_update_crtc+0x39/0x90 [i915]
[   14.176343]  intel_update_crtcs+0x47/0x60 [i915]
[   14.176369]  intel_atomic_commit_tail+0x1d2/0xc50 [i915]
[   14.176394]  intel_atomic_commit+0x215/0x2f0 [i915]
[   14.176402]  restore_fbdev_mode_atomic+0x19c/0x1f0 [drm_kms_helper]
[   14.176409]  drm_fb_helper_restore_fbdev_mode_unlocked+0x45/0x90 [drm_kms_helper]
[   14.176414]  drm_fb_helper_set_par+0x29/0x50 [drm_kms_helper]
[   14.176446]  intel_fbdev_set_par+0x16/0x60 [i915]
[   14.176450]  fbcon_init+0x4d7/0x680:
						fbcon_init at drivers/video/fbdev/core/fbcon.c:1138
[   14.176453]  visual_init+0xd5/0x130:
						visual_init at drivers/tty/vt/vt.c:748
[   14.176456]  do_bind_con_driver+0x1f4/0x400:
						do_bind_con_driver at drivers/tty/vt/vt.c:3184
[   14.176458]  do_take_over_console+0x7b/0x190:
						do_take_over_console at drivers/tty/vt/vt.c:3744
[   14.176460]  do_fbcon_takeover+0x58/0xb0:
						do_fbcon_takeover at drivers/video/fbdev/core/fbcon.c:547
[   14.176462]  notifier_call_chain+0x47/0x70:
						notifier_call_chain at kernel/notifier.c:95 (discriminator 1)
[   14.176464]  blocking_notifier_call_chain+0x3e/0x60:
						__blocking_notifier_call_chain at kernel/notifier.c:319
						 (inlined by) blocking_notifier_call_chain at kernel/notifier.c:328
[   14.176467]  ? _cond_resched+0x19/0x30:
						_cond_resched at kernel/sched/core.c:4982
[   14.176469]  register_framebuffer+0x224/0x330:
						unlock_fb_info at include/linux/fb.h:657
						 (inlined by) do_register_framebuffer at drivers/video/fbdev/core/fbmem.c:1713
						 (inlined by) register_framebuffer at drivers/video/fbdev/core/fbmem.c:1806
[   14.176475]  __drm_fb_helper_initial_config_and_unlock+0x209/0x430 [drm_kms_helper]
[   14.176505]  intel_fbdev_initial_config+0x14/0x30 [i915]
[   14.176508]  async_run_entry_fn+0x39/0x160:
						async_run_entry_fn at kernel/async.c:128
[   14.176510]  process_one_work+0x182/0x3a0:
						arch_static_branch at kernel/workqueue.c:2145
						 (inlined by) static_key_false at include/linux/jump_label.h:142
						 (inlined by) trace_workqueue_execute_end at include/trace/events/workqueue.h:112
						 (inlined by) process_one_work at kernel/workqueue.c:2150
[   14.176511]  worker_thread+0x3a/0x3b0:
						__read_once_size at include/linux/compiler.h:188
						 (inlined by) list_empty at include/linux/list.h:203
						 (inlined by) worker_thread at kernel/workqueue.c:2280
[   14.176513]  ? process_one_work+0x3a0/0x3a0:
						worker_thread at kernel/workqueue.c:2222
[   14.176515]  kthread+0x11e/0x140:
						kthread at kernel/kthread.c:238
[   14.176517]  ? kthread_associate_blkcg+0xb0/0xb0:
						kthread at kernel/kthread.c:198
[   14.176520]  ret_from_fork+0x35/0x40:
						ret_from_fork at arch/x86/entry/entry_64.S:418
[   14.176522] Code: fc e0 0f 0b e9 39 ff ff ff 48 89 e6 4c 89 f7 e8 f7 79 01 e1 45 85 e4 0f 85 1b ff ff ff 89 ee 48 c7 c7 c8 23 0d a0 e8 40 ea fc e0 <0f> 0b e9 06 ff ff ff 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00
[   14.176545] ---[ end trace 25747e44b68a53bc ]---
[   14.280077] ------------[ cut here ]------------
[   14.280077] ------------[ cut here ]------------
[   14.280079] vblank wait timed out on crtc 0
[   14.280119] WARNING: CPU: 0 PID: 269 at drivers/gpu/drm/drm_vblank.c:1084 drm_wait_one_vblank+0x160/0x170 [drm]
[   14.280119] Modules linked in: intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp snd_hda_codec_realtek snd_hda_codec_generic kvm_intel i915 kvm snd_hda_intel irqbypass crct10dif_pclmul crc32_pclmul snd_hda_codec crc32c_intel ghash_clmulni_intel drm_kms_helper pcbc ahci syscopyarea snd_hda_core aesni_intel libahci snd_hwdep crypto_simd sysfillrect sysimgblt fb_sys_fops dcdbas snd_pcm cryptd glue_helper libata pcspkr snd_timer shpchp drm snd soundcore video ip_tables
[   14.280140] CPU: 0 PID: 269 Comm: kworker/u16:7 Tainted: G        W         4.17.0-rc1 #1
[   14.280141] Hardware name: Dell Inc. OptiPlex 9020/0DNKMN, BIOS A05 12/05/2013
[   14.280145] Workqueue: events_unbound async_run_entry_fn
[   14.280156] RIP: 0010:drm_wait_one_vblank+0x160/0x170 [drm]
[   14.280157] RSP: 0018:ffffc900013cf918 EFLAGS: 00010296
[   14.280159] RAX: 000000000000001f RBX: ffff88021bfe8000 RCX: 0000000000000000
[   14.280159] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000202
[   14.280160] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000001f
[   14.280161] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[   14.280162] R13: 0000000000000002 R14: ffff88021b98a008 R15: ffff88021b64fc00
[   14.280163] FS:  0000000000000000(0000) GS:ffff88021ea00000(0000) knlGS:0000000000000000
[   14.280164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.280165] CR2: 0000557ac4b38e50 CR3: 000000021d40a002 CR4: 00000000001606f0
[   14.280166] Call Trace:
[   14.280174]  ? finish_wait+0x80/0x80:
						autoremove_wake_function at kernel/sched/wait.c:372
[   14.280226]  hsw_enable_crt+0x47/0x90 [i915]
[   14.280265]  intel_encoders_enable+0x55/0x80 [i915]
[   14.280300]  haswell_crtc_enable+0x2a2/0x7f0 [i915]
[   14.280331]  intel_update_crtc+0x39/0x90 [i915]
[   14.280360]  intel_update_crtcs+0x47/0x60 [i915]
[   14.280386]  intel_atomic_commit_tail+0x1d2/0xc50 [i915]
[   14.280413]  intel_atomic_commit+0x215/0x2f0 [i915]
[   14.280421]  restore_fbdev_mode_atomic+0x19c/0x1f0 [drm_kms_helper]
[   14.280428]  drm_fb_helper_restore_fbdev_mode_unlocked+0x45/0x90 [drm_kms_helper]
[   14.280434]  drm_fb_helper_set_par+0x29/0x50 [drm_kms_helper]
[   14.280468]  intel_fbdev_set_par+0x16/0x60 [i915]
[   14.280471]  fbcon_init+0x4d7/0x680:
						fbcon_init at drivers/video/fbdev/core/fbcon.c:1138
[   14.280475]  visual_init+0xd5/0x130:
						visual_init at drivers/tty/vt/vt.c:748
[   14.280478]  do_bind_con_driver+0x1f4/0x400:
						do_bind_con_driver at drivers/tty/vt/vt.c:3184
[   14.280480]  do_take_over_console+0x7b/0x190:
						do_take_over_console at drivers/tty/vt/vt.c:3744
[   14.280482]  do_fbcon_takeover+0x58/0xb0:
						do_fbcon_takeover at drivers/video/fbdev/core/fbcon.c:547
[   14.280484]  notifier_call_chain+0x47/0x70:
						notifier_call_chain at kernel/notifier.c:95 (discriminator 1)
[   14.280486]  blocking_notifier_call_chain+0x3e/0x60:
						__blocking_notifier_call_chain at kernel/notifier.c:319
						 (inlined by) blocking_notifier_call_chain at kernel/notifier.c:328
[   14.280490]  ? _cond_resched+0x19/0x30:
						_cond_resched at kernel/sched/core.c:4982
[   14.280492]  register_framebuffer+0x224/0x330:
						unlock_fb_info at include/linux/fb.h:657
						 (inlined by) do_register_framebuffer at drivers/video/fbdev/core/fbmem.c:1713
						 (inlined by) register_framebuffer at drivers/video/fbdev/core/fbmem.c:1806
[   14.280499]  __drm_fb_helper_initial_config_and_unlock+0x209/0x430 [drm_kms_helper]
[   14.280530]  intel_fbdev_initial_config+0x14/0x30 [i915]
[   14.280533]  async_run_entry_fn+0x39/0x160:
						async_run_entry_fn at kernel/async.c:128
[   14.280535]  process_one_work+0x182/0x3a0:
						arch_static_branch at kernel/workqueue.c:2145
						 (inlined by) static_key_false at include/linux/jump_label.h:142
						 (inlined by) trace_workqueue_execute_end at include/trace/events/workqueue.h:112
						 (inlined by) process_one_work at kernel/workqueue.c:2150
[   14.280537]  worker_thread+0x3a/0x3b0:
						__read_once_size at include/linux/compiler.h:188
						 (inlined by) list_empty at include/linux/list.h:203
						 (inlined by) worker_thread at kernel/workqueue.c:2280
[   14.280539]  ? process_one_work+0x3a0/0x3a0:
						worker_thread at kernel/workqueue.c:2222
[   14.280541]  kthread+0x11e/0x140:
						kthread at kernel/kthread.c:238
[   14.280543]  ? kthread_associate_blkcg+0xb0/0xb0:
						kthread at kernel/kthread.c:198
[   14.280546]  ret_from_fork+0x35/0x40:
						ret_from_fork at arch/x86/entry/entry_64.S:418
[   14.280548] Code: fc e0 0f 0b e9 39 ff ff ff 48 89 e6 4c 89 f7 e8 f7 79 01 e1 45 85 e4 0f 85 1b ff ff ff 89 ee 48 c7 c7 c8 23 0d a0 e8 40 ea fc e0 <0f> 0b e9 06 ff ff ff 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00
[   14.280571] ---[ end trace 25747e44b68a53bd ]---
[   16.741085] ata1: link is slow to respond, please be patient (ready=0)

Attached the full dmesg, kconfig and reproduce scripts.

Thanks,
Fengguang

View attachment "dmesg-lkp-hsw-d01:20180417000819:x86_64-rhel-7.2:gcc-7:4.17.0-rc1:1" of type "text/plain" (94099 bytes)

View attachment ".config" of type "text/plain" (164169 bytes)

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