[ 4017.567933] ------------[ cut here ]------------
[ 4017.567943] WARNING: CPU: 2 PID: 5299 at drivers/gpu/drm/i915/intel_display.c:3916 intel_crtc_wait_for_pending_flips+0xe7/0x1d7()
[ 4017.567944] WARN_ON(wait_event_timeout(dev_priv->pending_flip_queue, !intel_crtc_has_pending_flip(crtc), 60*HZ) == 0)
[ 4017.567945] Modules linked in:
[ 4017.567946]  uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core hid_dr amdkfd amd_iommu_v2 radeon r8169 ttm mii
[ 4017.567955] CPU: 2 PID: 5299 Comm: weston Not tainted 4.2.0-krejzi #1
[ 4017.567956] Hardware name: Hewlett-Packard HP Pavilion g6 Notebook PC      /1670, BIOS F.66 01/24/2013
[ 4017.567957]  0000000000000002 00000000ed8fd6dc 0000000000000009 ffffffff81629e17
[ 4017.567959]  ffff880080d9fb40 ffffffff81095aad 000000000000ea60 ffffffff81365cf1
[ 4017.567961]  0000000000000286 ffff8801d8b54000 0000000000000000 ffff8801d8bfc800
[ 4017.567963] Call Trace:
[ 4017.567969]  [<ffffffff81629e17>] ? dump_stack+0x4a/0x74
[ 4017.567971]  [<ffffffff81095aad>] ? warn_slowpath_common+0x8d/0xa5
[ 4017.567973]  [<ffffffff81365cf1>] ? intel_crtc_wait_for_pending_flips+0xe7/0x1d7
[ 4017.567974]  [<ffffffff81095b1d>] ? warn_slowpath_fmt+0x58/0x72
[ 4017.567976]  [<ffffffff81365cf1>] ? intel_crtc_wait_for_pending_flips+0xe7/0x1d7
[ 4017.567978]  [<ffffffff810be56e>] ? wake_up_atomic_t+0x21/0x21
[ 4017.567980]  [<ffffffff813673ba>] ? intel_crtc_disable_planes+0x27/0xdb
[ 4017.567982]  [<ffffffff81367d22>] ? __intel_set_mode+0x3a1/0x914
[ 4017.567984]  [<ffffffff8136ddfa>] ? intel_crtc_set_config+0x431/0x490
[ 4017.567987]  [<ffffffff8130769c>] ? drm_mode_set_config_internal+0x50/0xd7
[ 4017.567989]  [<ffffffff8130782c>] ? drm_framebuffer_remove+0x9c/0x121
[ 4017.567991]  [<ffffffff8130af85>] ? drm_mode_rmfb+0xe6/0x108
[ 4017.567993]  [<ffffffff812fee38>] ? drm_ioctl+0x24d/0x3d0
[ 4017.567995]  [<ffffffff8130ae9f>] ? drm_mode_addfb+0x9c/0x9c
[ 4017.567997]  [<ffffffff81129958>] ? remove_vma+0x41/0x48
[ 4017.568001]  [<ffffffff811561a7>] ? do_vfs_ioctl+0x3a0/0x42f
[ 4017.568002]  [<ffffffff8115626f>] ? SyS_ioctl+0x39/0x55
[ 4017.568005]  [<ffffffff8163045b>] ? entry_SYSCALL_64_fastpath+0x16/0x6e
[ 4017.568007] ---[ end trace daee03a9c3f90f72 ]---
[ 4017.568008] ------------[ cut here ]------------
[ 4017.568010] WARNING: CPU: 2 PID: 5299 at drivers/gpu/drm/i915/intel_display.c:3921 intel_crtc_wait_for_pending_flips+0x122/0x1d7()
[ 4017.568010] Removing stuck page flip
[ 4017.568011] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core hid_dr amdkfd amd_iommu_v2 radeon r8169 ttm mii
[ 4017.568017] CPU: 2 PID: 5299 Comm: weston Tainted: G        W       4.2.0-krejzi #1
[ 4017.568017] Hardware name: Hewlett-Packard HP Pavilion g6 Notebook PC      /1670, BIOS F.66 01/24/2013
[ 4017.568018]  0000000000000002 00000000ed8fd6dc 0000000000000009 ffffffff81629e17
[ 4017.568020]  ffff880080d9fb40 ffffffff81095aad 000000000000ea60 ffffffff81365d2c
[ 4017.568022]  0000000000000286 ffff8801d8b54000 ffff8801d8bfc9a8 ffff8801d8bfc800
[ 4017.568024] Call Trace:
[ 4017.568025]  [<ffffffff81629e17>] ? dump_stack+0x4a/0x74
[ 4017.568026]  [<ffffffff81095aad>] ? warn_slowpath_common+0x8d/0xa5
[ 4017.568028]  [<ffffffff81365d2c>] ? intel_crtc_wait_for_pending_flips+0x122/0x1d7
[ 4017.568029]  [<ffffffff81095b1d>] ? warn_slowpath_fmt+0x58/0x72
[ 4017.568032]  [<ffffffff810b19ba>] ? get_parent_ip+0x9/0x1b
[ 4017.568034]  [<ffffffff81365d2c>] ? intel_crtc_wait_for_pending_flips+0x122/0x1d7
[ 4017.568035]  [<ffffffff810be56e>] ? wake_up_atomic_t+0x21/0x21
[ 4017.568037]  [<ffffffff813673ba>] ? intel_crtc_disable_planes+0x27/0xdb
[ 4017.568039]  [<ffffffff81367d22>] ? __intel_set_mode+0x3a1/0x914
[ 4017.568041]  [<ffffffff8136ddfa>] ? intel_crtc_set_config+0x431/0x490
[ 4017.568042]  [<ffffffff8130769c>] ? drm_mode_set_config_internal+0x50/0xd7
[ 4017.568043]  [<ffffffff8130782c>] ? drm_framebuffer_remove+0x9c/0x121
[ 4017.568045]  [<ffffffff8130af85>] ? drm_mode_rmfb+0xe6/0x108
[ 4017.568046]  [<ffffffff812fee38>] ? drm_ioctl+0x24d/0x3d0
[ 4017.568048]  [<ffffffff8130ae9f>] ? drm_mode_addfb+0x9c/0x9c
[ 4017.568049]  [<ffffffff81129958>] ? remove_vma+0x41/0x48
[ 4017.568051]  [<ffffffff811561a7>] ? do_vfs_ioctl+0x3a0/0x42f
[ 4017.568053]  [<ffffffff8115626f>] ? SyS_ioctl+0x39/0x55
[ 4017.568054]  [<ffffffff8163045b>] ? entry_SYSCALL_64_fastpath+0x16/0x6e
[ 4017.568055] ---[ end trace daee03a9c3f90f73 ]---