Comment 18 for bug 1420290

The attachment contains the complete dmesg with drm turned on.

Snippet from around the flip message:

[ 7538.988560] [drm:valleyview_update_wm] Setting FIFO watermarks - A: plane=111, cursor=2, B: plane=2, cursor=2, SR: plane=60, cursor=2
[ 7538.988565] [drm:intel_set_memory_cxsr] memory self-refresh is enabled
[ 7538.994556] [drm:g4x_check_srwm] SR watermark: display plane 60, cursor 6
[ 7538.994563] [drm:g4x_check_srwm] SR watermark: display plane 117, cursor 10
[ 7538.994568] [drm:valleyview_update_wm] Setting FIFO watermarks - A: plane=111, cursor=6, B: plane=2, cursor=2, SR: plane=60, cursor=10
[ 7538.994572] [drm:intel_set_memory_cxsr] memory self-refresh is enabled
[ 7540.057903] [drm:i915_gem_context_destroy_ioctl] HW context 25 destroyed
[ 7543.835009] wlan0: deauthenticating from c0:4a:00:2c:dc:bd by local choice (Reason: 3=DEAUTH_LEAVING)
[ 7543.848742] cfg80211: Calling CRDA to update world regulatory domain
[ 7543.932927] cfg80211: World regulatory domain updated:
[ 7543.932935] cfg80211: DFS Master region: unset
[ 7543.932937] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)
[ 7543.932943] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
[ 7543.932947] cfg80211: (2457000 KHz - 2482000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
[ 7543.932950] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm), (N/A)
[ 7543.932953] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
[ 7543.932957] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
[ 7545.299524] wlan0: authenticate with 00:14:7f:b2:ad:fd
[ 7545.311204] wlan0: send auth to 00:14:7f:b2:ad:fd (try 1/3)
[ 7545.313850] wlan0: authenticated
[ 7545.329704] wlan0: associate with 00:14:7f:b2:ad:fd (try 1/3)
[ 7545.333311] wlan0: RX AssocResp from 00:14:7f:b2:ad:fd (capab=0x411 status=0 aid=5)
[ 7545.334296] wlan0: associated
[ 7591.802174] ------------[ cut here ]------------
[ 7591.802224] WARNING: CPU: 0 PID: 0 at /build/buildd/linux-3.19.0/drivers/gpu/drm/i915/intel_display.c:9713 intel_check_page_flip+0xda/0xf0 [i915]()
[ 7591.802227] Kicking stuck page flip: queued at 453978, now 453983
[ 7591.802229] Modules linked in: ctr ccm rfcomm bnep nls_iso8859_1 hid_generic hp_wmi sparse_keymap btusb bluetooth usbhid joydev snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic intel_rapl intel_soc_dts_thermal intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel cryptd arc4 uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core rtl8723be v4l2_common btcoexist videodev rtl8723_common rtl_pci media rtlwifi mac80211 snd_hda_intel serio_raw snd_hda_controller cfg80211 snd_intel_sst_acpi snd_intel_sst_core snd_soc_rt5640 snd_soc_sst_mfld_platform mei_txe i915 snd_hda_codec snd_soc_rl6231 rtsx_pci_ms lpc_ich memstick snd_soc_core shpchp snd_compress snd_pcm_dmaengine snd_hwdep mei snd_pcm drm_kms_helper drm snd_seq_midi snd_seq_midi_event iosf_mbi
[ 7591.802283] i2c_algo_bit wmi snd_rawmidi snd_seq snd_seq_device video hp_wireless dw_dmac dw_dmac_core snd_timer processor_thermal_device int3403_thermal int3400_thermal acpi_thermal_rel intel_smartconnect snd i2c_hid hid soundcore rfkill_gpio i2c_designware_platform i2c_designware_core snd_soc_sst_acpi 8250_dw spi_pxa2xx_platform pwm_lpss_platform mac_hid pwm_lpss parport_pc ppdev lp parport autofs4 mmc_block rtsx_pci_sdmmc psmouse rtsx_pci sdhci_acpi sdhci
[ 7591.802322] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 3.19.0-16-generic #16-Ubuntu
[ 7591.802324] Hardware name: Hewlett-Packard HP Stream Notebook PC 13/802A, BIOS F.06 01/06/2015
[ 7591.802327] ffffffffc0559e10 ffff880076c03d18 ffffffff817c2235 0000000000000007
[ 7591.802332] ffff880076c03d68 ffff880076c03d58 ffffffff8107595a ffff880076c03d78
[ 7591.802336] ffff880071d65000 ffff88003671b000 0000000000000000 ffff88003671b1a8
[ 7591.802341] Call Trace:
[ 7591.802344] <IRQ> [<ffffffff817c2235>] dump_stack+0x45/0x57
[ 7591.802358] [<ffffffff8107595a>] warn_slowpath_common+0x8a/0xc0
[ 7591.802363] [<ffffffff810759d6>] warn_slowpath_fmt+0x46/0x50
[ 7591.802390] [<ffffffffc0505a3a>] intel_check_page_flip+0xda/0xf0 [i915]
[ 7591.802413] [<ffffffffc04ce549>] valleyview_pipestat_irq_handler+0x159/0x230 [i915]
[ 7591.802437] [<ffffffffc04d3fa1>] valleyview_irq_handler+0xc1/0x170 [i915]
[ 7591.802443] [<ffffffff810cd5f7>] handle_irq_event_percpu+0x77/0x1a0
[ 7591.802447] [<ffffffff810cd761>] handle_irq_event+0x41/0x70
[ 7591.802452] [<ffffffff810d07ce>] handle_edge_irq+0x6e/0x120
[ 7591.802457] [<ffffffff81017772>] handle_irq+0x22/0x40
[ 7591.802462] [<ffffffff817cc27f>] do_IRQ+0x4f/0xf0
[ 7591.802467] [<ffffffff817ca0ed>] common_interrupt+0x6d/0x6d
[ 7591.802469] <EOI> [<ffffffff81664405>] ? cpuidle_enter_state+0x65/0x160
[ 7591.802478] [<ffffffff816643f1>] ? cpuidle_enter_state+0x51/0x160
[ 7591.802482] [<ffffffff816645e7>] cpuidle_enter+0x17/0x20
[ 7591.802487] [<ffffffff810b6a41>] cpu_startup_entry+0x311/0x3b0
[ 7591.802492] [<ffffffff817b6b07>] rest_init+0x77/0x80
[ 7591.802498] [<ffffffff81d4cfce>] start_kernel+0x482/0x48f
[ 7591.802502] [<ffffffff81d4c120>] ? early_idt_handlers+0x120/0x120
[ 7591.802507] [<ffffffff81d4c4d7>] x86_64_start_reservations+0x2a/0x2c
[ 7591.802511] [<ffffffff81d4c61c>] x86_64_start_kernel+0x143/0x152
[ 7591.802514] ---[ end trace eb45f1b701243f9b ]---
[ 7666.909632] atkbd serio0: Unknown key pressed (translated set 2, code 0xd8 on isa0060/serio0).
[ 7666.909640] atkbd serio0: Use 'setkeycodes e058 <keycode>' to make it known.
[ 7666.917627] atkbd serio0: Unknown key released (translated set 2, code 0xd8 on isa0060/serio0).
[ 7666.917634] atkbd serio0: Use 'setkeycodes e058 <keycode>' to make it known.
[ 7667.193969] [drm:intel_dp_detect] [CONNECTOR:35:DP-1]
[ 7667.194050] [drm:intel_hdmi_detect] [CONNECTOR:30:HDMI-A-1]
[ 7667.194224] [drm:gmbus_xfer] GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
[ 7667.194230] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
[ 7667.194356] [drm:intel_hdmi_detect] [CONNECTOR:37:HDMI-A-2]
[ 7667.194638] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
[ 7667.194714] [drm:intel_crt_detect] [CONNECTOR:27:VGA-1] force=1
[ 7667.194719] [drm:valleyview_crt_detect_hotplug] trigger hotplug detect cycle: adpa=0xf40000
[ 7667.202343] [drm:valleyview_crt_detect_hotplug] valleyview hotplug adpa=0xf40000, result 0
[ 7667.202349] [drm:intel_crt_detect] CRT not detected via hotplug
[ 7667.204040] [drm:drm_mode_getconnector] [CONNECTOR:39:?]