Comment 3 for bug 1570021

[ 675.378499] cfg80211: Regulatory domain changed to country: GB
[ 675.378504] cfg80211: DFS Master region: unset
[ 675.378505] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)
[ 675.378508] cfg80211: (2402000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A)
[ 675.378511] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A)
[ 675.378513] cfg80211: (5250000 KHz - 5330000 KHz @ 40000 KHz), (N/A, 2000 mBm), (0 s)
[ 675.378515] cfg80211: (5490000 KHz - 5710000 KHz @ 40000 KHz), (N/A, 2700 mBm), (0 s)
[ 675.378517] cfg80211: (57240000 KHz - 65880000 KHz @ 2160000 KHz), (N/A, 4000 mBm), (N/A)
[ 900.907757] mce: [Hardware Error]: Machine check events logged
[ 1636.039610] ------------[ cut here ]------------
[ 1636.039647] WARNING: CPU: 0 PID: 0 at /build/linux-lts-wily-H6pWeh/linux-lts-wily-4.2.0/drivers/gpu/drm/i915/intel_display.c:11104 intel_check_page_flip+0x100/0x110 [i915]()
[ 1636.039649] Kicking stuck page flip: queued at 97136, now 97142
[ 1636.039650] Modules linked in: usbhid snd_usb_audio hid snd_usbmidi_lib cmac rfcomm bnep binfmt_misc nls_iso8859_1 xfs libcrc32c intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev media crct10dif_pclmul crc32_pclmul btusb aesni_intel aes_x86_64 btrtl lrw btbcm btintel gf128mul glue_helper bluetooth hp_wmi wl(POE) ablk_helper sparse_keymap cryptd input_leds snd_hda_codec_hdmi i915 nouveau snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi joydev snd_seq mxm_wmi snd_seq_device snd_timer ttm drm_kms_helper serio_raw snd video drm cfg80211 hp_accel i2c_algo_bit lis3lv02d input_polldev soundcore mei_me lpc_ich mei wmi hp_wireless shpchp intel_smartconnect mac_hid parport_pc ppdev lp parport btrfs xor raid6_pq psmouse ahci r8169 libahci mii
[ 1636.039740] CPU: 0 PID: 0 Comm: swapper/0 Tainted: P W OE 4.2.0-35-generic #40~14.04.1-Ubuntu
[ 1636.039741] Hardware name: Hewlett-Packard HP Pavilion 17 Notebook PC /2282, BIOS F.42 03/18/2015
[ 1636.039743] 0000000000000000 ffff88025f203d18 ffffffff817bcbf8 ffff88025f203d68
[ 1636.039747] ffffffffc06a3ca8 ffff88025f203d58 ffffffff81079b5a ffff88003f58f1a8
[ 1636.039750] ffff88003f58f000 ffff88025453d000 ffff88003f58f1a8 0000000000000000
[ 1636.039753] Call Trace:
[ 1636.039754] <IRQ> [<ffffffff817bcbf8>] dump_stack+0x63/0x81
[ 1636.039766] [<ffffffff81079b5a>] warn_slowpath_common+0x8a/0xc0
[ 1636.039768] [<ffffffff81079bd6>] warn_slowpath_fmt+0x46/0x50
[ 1636.039790] [<ffffffffc06497d0>] intel_check_page_flip+0x100/0x110 [i915]
[ 1636.039820] [<ffffffffc06118cb>] ironlake_irq_handler+0x2cb/0xbc0 [i915]
[ 1636.039824] [<ffffffff810da730>] ? __note_gp_changes+0x20/0x90
[ 1636.039827] [<ffffffff810d1084>] handle_irq_event_percpu+0x44/0x1d0
[ 1636.039830] [<ffffffff810d1259>] handle_irq_event+0x49/0x70
[ 1636.039832] [<ffffffff810d43bd>] handle_edge_irq+0x9d/0x150
[ 1636.039835] [<ffffffff81018285>] handle_irq+0x25/0x40
[ 1636.039840] [<ffffffff817c6cb1>] do_IRQ+0x51/0xe0
[ 1636.039843] [<ffffffff817c4c2b>] common_interrupt+0x6b/0x6b
[ 1636.039844] <EOI> [<ffffffff810e4de2>] ? hrtimer_get_next_event+0x42/0x70
[ 1636.039851] [<ffffffff8165c6a8>] ? cpuidle_enter_state+0xd8/0x250
[ 1636.039854] [<ffffffff8165c684>] ? cpuidle_enter_state+0xb4/0x250
[ 1636.039856] [<ffffffff8165c857>] cpuidle_enter+0x17/0x20
[ 1636.039859] [<ffffffff810ba5fb>] call_cpuidle+0x3b/0x70
[ 1636.039861] [<ffffffff8165c833>] ? cpuidle_select+0x13/0x20
[ 1636.039863] [<ffffffff810ba8d7>] cpu_startup_entry+0x2a7/0x370
[ 1636.039868] [<ffffffff817acaac>] rest_init+0x7c/0x80
[ 1636.039872] [<ffffffff81d5211f>] start_kernel+0x4b0/0x4bd
[ 1636.039874] [<ffffffff81d51a54>] ? set_init_arg+0x57/0x57
[ 1636.039887] [<ffffffff81d51120>] ? early_idt_handler_array+0x120/0x120
[ 1636.039890] [<ffffffff81d515ee>] x86_64_start_reservations+0x2a/0x2c
[ 1636.039893] [<ffffffff81d5172d>] x86_64_start_kernel+0x13d/0x14c
[ 1636.039895] ---[ end trace 06093e4d0537f1d8 ]---