FYI, we noticed the below changes on

git://people.freedesktop.org/~mlankhorst/linux rework-page-flip
commit 1b7e515ce1b5f53e2deb752d4769b2acc81784ae ("drm/i915: Make unpin async.")


<3>[   25.859472] x86/PAT: bmc-watchdog:492 map pfn expected mapping type uncached-minus for [mem 0xbac69000-0xbac69fff], got write-back
<6>[   33.029292] [drm] Fake missed irq on blitter ring
<4>[  487.818346] ------------[ cut here ]------------
<4>[  487.823000] WARNING: CPU: 0 PID: 2747 at drivers/gpu/drm/i915/intel_display.c:3930 intel_atomic_commit+0x104b/0x1060 [i915]()
<4>[  487.835670] Removing stuck page flip
<4>[  487.839247] Modules linked in: rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver netconsole btrfs xor raid6_pq sg sd_mod ata_generic snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pata_acpi i915 drm_kms_helper snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_codec kvm_intel snd_hda_core syscopyarea snd_hwdep sysfillrect sysimgblt kvm snd_pcm crct10dif_pclmul crc32_pclmul crc32c_intel eeepc_wmi asus_wmi sparse_keymap snd_timer fb_sys_fops aesni_intel lrw gf128mul glue_helper ablk_helper snd rfkill cryptd pata_via ppdev microcode serio_raw pcspkr ata_piix libata drm soundcore shpchp wmi parport_pc parport tpm_infineon video
<4>[  487.896765] CPU: 0 PID: 2747 Comm: kms_universal_p Not tainted 4.3.0-rc6-00979-g1b7e515 #1
<4>[  487.905015] Hardware name: System manufacturer System Product Name/P8H67-M PRO, BIOS 1002 04/01/2011
<4>[  487.914134]  ffffffffa048ca68 ffff880032ef3b20 ffffffff81402902 ffff880032ef3b68
<4>[  487.921587]  ffff880032ef3b58 ffffffff81074726 ffff88009af439a8 ffff8801bd697400
<4>[  487.929036]  ffff8801bd09d000 0000000000000000 ffff88018d2f0e00 ffff880032ef3bb8
<4>[  487.936491] Call Trace:
<4>[  487.938946]  [<ffffffff81402902>] dump_stack+0x4b/0x69
<4>[  487.944079]  [<ffffffff81074726>] warn_slowpath_common+0x86/0xc0
<4>[  487.950078]  [<ffffffff810747ac>] warn_slowpath_fmt+0x4c/0x50
<4>[  487.955822]  [<ffffffff810b7477>] ? finish_wait+0x67/0x80
<4>[  487.961235]  [<ffffffffa042860b>] intel_atomic_commit+0x104b/0x1060 [i915]
<4>[  487.968115]  [<ffffffffa0086634>] ? drm_atomic_check_only+0x144/0x5d0 [drm]
<4>[  487.975061]  [<ffffffff810b7620>] ? wait_woken+0xb0/0xb0
<4>[  487.980380]  [<ffffffffa0086af7>] drm_atomic_commit+0x37/0x60 [drm]
<4>[  487.986644]  [<ffffffffa0389708>] drm_atomic_helper_disable_plane+0x98/0xd0 [drm_kms_helper]
<4>[  487.995075]  [<ffffffffa00853e8>] ? drm_modeset_lock+0x68/0xe0 [drm]
<4>[  488.001431]  [<ffffffffa0076677>] __setplane_internal+0x177/0x270 [drm]
<4>[  488.008046]  [<ffffffffa00854f0>] ? drm_modeset_lock_all_crtcs+0x90/0xa0 [drm]
<4>[  488.015329]  [<ffffffffa007a568>] drm_mode_setplane+0x138/0x1b0 [drm]
<4>[  488.021768]  [<ffffffffa006c702>] drm_ioctl+0x142/0x590 [drm]
<4>[  488.027505]  [<ffffffff81192001>] ? __do_fault+0x41/0xd0
<4>[  488.032820]  [<ffffffffa007a430>] ? drm_plane_check_pixel_format+0x50/0x50 [drm]
<4>[  488.040208]  [<ffffffff8139f03c>] ? ioctl_has_perm+0xac/0xc0
<4>[  488.045862]  [<ffffffff811f39d1>] do_vfs_ioctl+0x301/0x560
<4>[  488.051341]  [<ffffffff8139f0a0>] ? selinux_file_ioctl+0x50/0xd0
<4>[  488.057337]  [<ffffffff81393903>] ? security_file_ioctl+0x43/0x60
<4>[  488.063423]  [<ffffffff811f3ca9>] SyS_ioctl+0x79/0x90
<4>[  488.068471]  [<ffffffff81003ba5>] ? syscall_return_slowpath+0x55/0x160
<4>[  488.074991]  [<ffffffff818ae26e>] entry_SYSCALL_64_fastpath+0x12/0x71
<4>[  488.081425] ---[ end trace 2fabf19ab8aad141 ]---
<47>


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,
Ying Huang