linux-kernel - [lkp] [drm/i915] f58f668ad6: WARNING: CPU: 3 PID: 77 at drivers/gpu/drm/i915/intel_display.c:1328 assert

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Date:	Mon, 11 Apr 2016 10:56:51 +0800
From:	kernel test robot <xiaolong.ye@...el.com>
To:	Lionel Landwerlin <lionel.g.landwerlin@...el.com>
Cc:	0day robot <fengguang.wu@...el.com>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Jani Nikula <jani.nikula@...el.com>,
	Daniel Vetter <daniel.vetter@...ll.ch>,
	LKML <linux-kernel@...r.kernel.org>, lkp@...org
Subject: [lkp] [drm/i915] f58f668ad6: WARNING: CPU: 3 PID: 77 at
 drivers/gpu/drm/i915/intel_display.c:1328 assert_plane+0x8d/0x90 [i915]()

FYI, we noticed the below changes on

https://github.com/0day-ci/linux Lionel-Landwerlin/drm-i915-add-missing-condition-for-committing-planes-on-crtc/20160409-003403
commit f58f668ad664a521b0321c34c0fcb54dafb04337 ("drm/i915: add missing condition for committing planes on crtc")

As below, the log "WARNING: CPU: 3 PID: 77 at drivers/gpu/drm/i915/intel_display.c:1328 assert_plane+0x8d/0x90 [i915]()" showed with your commit.


[   16.495153] ata2.00: configured for UDMA/133
[   16.495435] scsi 1:0:0:0: Direct-Access     ATA      INTEL SSDSC2CW12 400i PQ: 0 ANSI: 5
[   17.711554] ------------[ cut here ]------------
[   17.711617] WARNING: CPU: 3 PID: 77 at drivers/gpu/drm/i915/intel_display.c:1328 assert_plane+0x8d/0x90 [i915]()
[   17.711618] plane A assertion failure (expected on, current off)
[   17.711635] Modules linked in: x86_pkg_temp_thermal coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper ablk_helper ppdev serio_raw pcspkr snd_hda_intel i915(+) cryptd snd_hda_codec snd_hda_core ahci libahci drm_kms_helper syscopyarea sysfillrect sysimgblt snd_hwdep fb_sys_fops snd_pcm libata snd_timer snd soundcore shpchp drm i2c_hid winbond_cir rc_core dw_dmac sdhci_acpi dw_dmac_core video parport_pc parport sdhci mmc_core i2c_designware_platform i2c_designware_core spi_pxa2xx_platform acpi_pad
[   17.711637] CPU: 3 PID: 77 Comm: kworker/3:1 Not tainted 4.5.0-rc7-01683-gf58f668 #1
[   17.711637] Hardware name: Intel Corporation Broadwell Client platform/WhiteTip Mountain 1, BIOS BDW-E1R1.86C.0120.R00.1504020241 04/02/2015
[   17.711643] Workqueue: events output_poll_execute [drm_kms_helper]
[   17.711645]  0000000000000000 ffff880083547b30 ffffffff814261da ffff880083547b78
[   17.711647]  ffffffffa0384cb0 ffff880083547b68 ffffffff81079fe6 0000000000000000
[   17.711648]  ffff88007ae02000 0000000000000000 ffff88007ae02000 ffff88007a94bc00
[   17.711648] Call Trace:
[   17.711652]  [<ffffffff814261da>] dump_stack+0x63/0x89
[   17.711655]  [<ffffffff81079fe6>] warn_slowpath_common+0x86/0xc0
[   17.711657]  [<ffffffff8107a06c>] warn_slowpath_fmt+0x4c/0x50
[   17.711686]  [<ffffffffa030a09d>] assert_plane+0x8d/0x90 [i915]
[   17.711713]  [<ffffffffa03149e7>] hsw_enable_ips+0x37/0x170 [i915]
[   17.711738]  [<ffffffffa0315b1a>] intel_atomic_commit+0x7aa/0xd10 [i915]
[   17.711740]  [<ffffffff810bd7f0>] ? wait_woken+0xa0/0xa0
[   17.711755]  [<ffffffffa0178227>] drm_atomic_commit+0x37/0x60 [drm]
[   17.711761]  [<ffffffffa0233467>] restore_fbdev_mode+0x237/0x260 [drm_kms_helper]
[   17.711773]  [<ffffffffa01770ba>] ? drm_modeset_lock_all_ctx+0x9a/0xb0 [drm]
[   17.711778]  [<ffffffffa0235623>] drm_fb_helper_restore_fbdev_mode_unlocked+0x33/0x80 [drm_kms_helper]
[   17.711782]  [<ffffffffa023569d>] drm_fb_helper_set_par+0x2d/0x50 [drm_kms_helper]
[   17.711786]  [<ffffffffa02355a2>] drm_fb_helper_hotplug_event+0xa2/0xf0 [drm_kms_helper]
[   17.711816]  [<ffffffffa032f6ae>] intel_fbdev_output_poll_changed+0x1e/0x30 [i915]
[   17.711820]  [<ffffffffa0228707>] drm_kms_helper_hotplug_event+0x27/0x30 [drm_kms_helper]
[   17.711824]  [<ffffffffa0228909>] output_poll_execute+0x199/0x1e0 [drm_kms_helper]
[   17.711826]  [<ffffffff81092365>] process_one_work+0x155/0x440
[   17.711828]  [<ffffffff81092fae>] worker_thread+0x4e/0x4c0
[   17.711830]  [<ffffffff818e112c>] ? __schedule+0x35c/0x8e0
[   17.711832]  [<ffffffff81092f60>] ? rescuer_thread+0x350/0x350
[   17.711834]  [<ffffffff81092f60>] ? rescuer_thread+0x350/0x350
[   17.711836]  [<ffffffff81098554>] kthread+0xd4/0xf0
[   17.711837]  [<ffffffff81098480>] ? kthread_park+0x60/0x60
[   17.711839]  [<ffffffff818e5eff>] ret_from_fork+0x3f/0x70
[   17.711841]  [<ffffffff81098480>] ? kthread_park+0x60/0x60
[   17.711842] ---[ end trace cc49f1984c8fa0ba ]---
[   17.890226] snd_hda_intel 0000:00:03.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915])



To reproduce:

        git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git
        cd lkp-tests
        bin/lkp install job.yaml  # job file is attached in this email
        bin/lkp run     job.yaml



Thanks,
Xiaolong Ye

View attachment "config-4.5.0-rc7-01683-gf58f668" of type "text/plain" (145535 bytes)

Download attachment "kmsg.xz" of type "application/octet-stream" (25652 bytes)

View attachment "job.yaml" of type "text/plain" (2993 bytes)

View attachment "reproduce" of type "text/plain" (176 bytes)