FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master commit ce22dba92de22e951dee2ff89937a39754d2dd91 ("drm/i915: Move toggling planes out of crtc enable/disable.") +-----------------------------------------------------------------------+------------+------------+ | | 7cac945fbe | ce22dba92d | +-----------------------------------------------------------------------+------------+------------+ | boot_successes | 15 | 9 | | boot_failures | 1 | 6 | | drm:gen8_irq_handler[i915]] | 1 | | | WARNING:at_drivers/gpu/drm/i915/intel_display.c:#assert_plane[i915]() | 0 | 5 | | assertion_failure | 0 | 5 | | WARNING:at_drivers/gpu/drm/drm_irq.c:#drm_wait_one_vblank[drm]() | 0 | 5 | | backtrace:SyS_ioctl | 0 | 5 | | backtrace:do_vfs_ioctl | 0 | 5 | | Unexpected_close,not_stopping_watchdog | 0 | 1 | +-----------------------------------------------------------------------+------------+------------+ [ 24.339559] ata2.00: configured for UDMA/133 [ 24.339737] scsi 1:0:0:0: Direct-Access ATA INTEL SSDSC2MH12 PPG2 PQ: 0 ANSI: 5 [ 24.433944] ------------[ cut here ]------------ [ 24.433959] WARNING: CPU: 2 PID: 215 at drivers/gpu/drm/drm_irq.c:1159 drm_wait_one_vblank+0x190/0x1a0 [drm]() [ 24.433960] vblank not available on crtc 0, ret=-22 [ 24.433973] Modules linked in: snd_hda_codec_hdmi x86_pkg_temp_thermal coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul i915 crc32c_intel ghash_clmulni_intel ahci snd_hda_intel ppdev snd_hda_controller snd_hda_codec libahci drm_kms_helper snd_hda_core aesni_intel snd_hwdep snd_pcm lrw gf128mul glue_helper ablk_helper snd_timer cryptd snd i2c_i801 microcode soundcore libata serio_raw pcspkr drm winbond_cir rc_core parport_pc parport dw_dmac sdhci_acpi video dw_dmac_core sdhci mmc_core i2c_hid acpi_pad [ 24.433975] CPU: 2 PID: 215 Comm: kworker/2:2 Not tainted 4.1.0-rc4-wl-03205-g1c55fcf #1 [ 24.433976] Hardware name: Intel Corporation Broadwell Client platform/WhiteTip Mountain 1, BIOS BDW-E1R1.86C.0108.R00.1412212013 12/21/2014 [ 24.433981] Workqueue: events output_poll_execute [drm_kms_helper] [ 24.433983] ffffffffa0113800 ffff8801377d7a08 ffffffff818c0ea7 0000000051865186 [ 24.433984] ffff8801377d7a58 ffff8801377d7a48 ffffffff8107683a 0000000000000000 [ 24.433985] ffff880136dc2800 0000000000000000 ffff88007eae3000 0000000000000000 [ 24.433985] Call Trace: [ 24.433991] [] dump_stack+0x4c/0x65 [ 24.433993] [] warn_slowpath_common+0x8a/0xc0 [ 24.433995] [] warn_slowpath_fmt+0x46/0x50 [ 24.434003] [] drm_wait_one_vblank+0x190/0x1a0 [drm] [ 24.434026] [] ? intel_runtime_pm_get+0x4f/0x80 [i915] [ 24.434051] [] intel_finish_crtc_commit+0x187/0x190 [i915] [ 24.434057] [] drm_atomic_helper_commit_planes+0x13c/0x250 [drm_kms_helper] [ 24.434078] [] __intel_set_mode+0xa07/0xcd0 [i915] [ 24.434100] [] intel_crtc_set_config+0x30f/0x650 [i915] [ 24.434111] [] drm_mode_set_config_internal+0x66/0x100 [drm] [ 24.434116] [] restore_fbdev_mode+0xc8/0xf0 [drm_kms_helper] [ 24.434120] [] drm_fb_helper_restore_fbdev_mode_unlocked+0x29/0x80 [drm_kms_helper] [ 24.434123] [] drm_fb_helper_set_par+0x22/0x50 [drm_kms_helper] [ 24.434126] [] drm_fb_helper_hotplug_event+0x8f/0xe0 [drm_kms_helper] [ 24.434149] [] intel_fbdev_output_poll_changed+0x1e/0x30 [i915] [ 24.434153] [] drm_kms_helper_hotplug_event+0x2b/0x40 [drm_kms_helper] [ 24.434156] [] output_poll_execute+0x1a1/0x1c0 [drm_kms_helper] [ 24.434159] [] process_one_work+0x158/0x490 [ 24.434160] [] worker_thread+0x73/0x580 [ 24.434162] [] ? rescuer_thread+0x400/0x400 [ 24.434164] [] kthread+0xef/0x110 [ 24.434165] [] ? kthread_create_on_node+0x180/0x180 [ 24.434167] [] ret_from_fork+0x42/0x70 [ 24.434168] [] ? kthread_create_on_node+0x180/0x180 [ 24.434169] ---[ end trace 42a37be8cec1c094 ]--- [ 25.223529] 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@eclists.intel.com https://eclists.intel.com/sympa/info/lkp Unsubscribe by sending email to sympa@eclists.intel.com with subject "Unsubscribe lkp"