linux-kernel - [lkp] [drm/i915] 70a101f8639: WARNING: CPU: 1 PID: 16 at drivers/gpu/drm/drm_irq.c:1159 drm_wait_one

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Date:	Wed, 03 Jun 2015 09:20:11 +0800
From:	Huang Ying <ying.huang@...el.com>
To:	Matt Roper <matthew.d.roper@...el.com>
CC:	Daniel Vetter <daniel.vetter@...ll.ch>,
	LKML <linux-kernel@...r.kernel.org>, lkp@...org
Subject: [lkp] [drm/i915] 70a101f8639: WARNING: CPU: 1 PID: 16 at drivers/gpu/drm/drm_irq.c:1159
 drm_wait_one_vblank+0x190/0x1a0 [drm]()

FYI, we noticed the below changes on

git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
commit 70a101f8639a712576c3ca1d910564c7e2ec91d8 ("drm/i915: Switch to full atomic helpers for plane updates/disable, take two")


+----------------+------------+------------+
|                | drm-intel/ | 70a101f863 |
+----------------+------------+------------+
| boot_successes | 16         | 11         |
+----------------+------------+------------+


[   14.189928] ata2.00: configured for UDMA/133
[   14.190028] scsi 1:0:0:0: Direct-Access     ATA      INTEL SSDSC2MH12 PPG2 PQ: 0 ANSI: 5
[   14.299715] ------------[ cut here ]------------
[   14.299728] WARNING: CPU: 1 PID: 16 at drivers/gpu/drm/drm_irq.c:1159 drm_wait_one_vblank+0x190/0x1a0 [drm]()
[   14.299729] vblank not available on crtc 0, ret=-22
[   14.299741] Modules linked in: x86_pkg_temp_thermal coretemp kvm_intel kvm snd_hda_codec_hdmi crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel snd_hda_intel snd_hda_controller aesni_intel snd_hda_codec snd_hda_core lrw gf128mul glue_helper ablk_helper cryptd snd_hwdep winbond_cir snd_pcm snd_timer sdhci_acpi i915 rc_core ppdev ahci microcode libahci pcspkr serio_raw drm_kms_helper i2c_i801 snd libata drm video soundcore sdhci mmc_core parport_pc dw_dmac dw_dmac_core acpi_pad parport i2c_hid
[   14.299743] CPU: 1 PID: 16 Comm: kworker/1:0 Not tainted 4.1.0-rc4-wl-03205-g1c55fcf #1
[   14.299744] Hardware name: Intel Corporation Broadwell Client platform/WhiteTip Mountain 1, BIOS BDW-E1R1.86C.0108.R00.1412212013 12/21/2014
[   14.299749] Workqueue: events output_poll_execute [drm_kms_helper]
[   14.299750]  ffffffffa0103800 ffff8801494dba08 ffffffff818c0ea7 000000004ab04ab0
[   14.299752]  ffff8801494dba58 ffff8801494dba48 ffffffff8107683a 0000000000000000
[   14.299753]  ffff880136c93000 0000000000000000 ffff88007f885000 0000000000000000
[   14.299753] Call Trace:
[   14.299758]  [<ffffffff818c0ea7>] dump_stack+0x4c/0x65
[   14.299761]  [<ffffffff8107683a>] warn_slowpath_common+0x8a/0xc0
[   14.299763]  [<ffffffff810768b6>] warn_slowpath_fmt+0x46/0x50
[   14.299770]  [<ffffffffa00d3840>] drm_wait_one_vblank+0x190/0x1a0 [drm]
[   14.299793]  [<ffffffffa022464f>] ? intel_runtime_pm_get+0x4f/0x80 [i915]
[   14.299819]  [<ffffffffa0283eb7>] intel_finish_crtc_commit+0x187/0x190 [i915]
[   14.299824]  [<ffffffffa01d8a4c>] drm_atomic_helper_commit_planes+0x13c/0x250 [drm_kms_helper]
[   14.299846]  [<ffffffffa0285297>] __intel_set_mode+0xa07/0xcd0 [i915]
[   14.299867]  [<ffffffffa028bbaf>] intel_crtc_set_config+0x30f/0x650 [i915]
[   14.299877]  [<ffffffffa00dd196>] drm_mode_set_config_internal+0x66/0x100 [drm]
[   14.299882]  [<ffffffffa01d97c8>] restore_fbdev_mode+0xc8/0xf0 [drm_kms_helper]
[   14.299887]  [<ffffffffa01db7e9>] drm_fb_helper_restore_fbdev_mode_unlocked+0x29/0x80 [drm_kms_helper]
[   14.299891]  [<ffffffffa01db862>] drm_fb_helper_set_par+0x22/0x50 [drm_kms_helper]
[   14.299894]  [<ffffffffa01db76f>] drm_fb_helper_hotplug_event+0x8f/0xe0 [drm_kms_helper]
[   14.299917]  [<ffffffffa029adbe>] intel_fbdev_output_poll_changed+0x1e/0x30 [i915]
[   14.299921]  [<ffffffffa01cf6db>] drm_kms_helper_hotplug_event+0x2b/0x40 [drm_kms_helper]
[   14.299924]  [<ffffffffa01cf8f1>] output_poll_execute+0x1a1/0x1c0 [drm_kms_helper]
[   14.299927]  [<ffffffff8108fc88>] process_one_work+0x158/0x490
[   14.299928]  [<ffffffff810908e3>] worker_thread+0x73/0x580
[   14.299930]  [<ffffffff81090870>] ? rescuer_thread+0x400/0x400
[   14.299931]  [<ffffffff8109604f>] kthread+0xef/0x110
[   14.299933]  [<ffffffff81095f60>] ? kthread_create_on_node+0x180/0x180
[   14.299935]  [<ffffffff818c96a2>] ret_from_fork+0x42/0x70
[   14.299936]  [<ffffffff81095f60>] ? kthread_create_on_node+0x180/0x180
[   14.299937] ---[ end trace 3d45f659ece5b2b3 ]---
[   15.099655] Console: switching to colour frame buffer device 240x67

To reproduce:

	apt-get install ruby
	git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git
	cd lkp-tests
	bin/setup-local job.yaml # the job file attached in this email
	bin/run-local   job.yaml


Thanks,
Ying Huang
-------------------------------------
lkp@...ists.intel.com
https://eclists.intel.com/sympa/info/lkp
Unsubscribe by sending email to sympa@...ists.intel.com with subject "Unsubscribe lkp"


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