Still (again?) happening with 3.19.0-12-generic [ 5578.584172] ------------[ cut here ]------------ [ 5578.584230] WARNING: CPU: 0 PID: 15321 at /build/buildd/linux-3.19.0/drivers/gpu/drm/i915/intel_display.c:9713 intel_check_page_flip+0xda/0xf0 [i915]() [ 5578.584233] Kicking stuck page flip: queued at 243167, now 243173 [ 5578.584236] Modules linked in: nls_utf8 btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c rfcomm bnep nls_iso8859_1 snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic btusb hid_generic bluetooth intel_rapl intel_soc_dts_thermal hp_wmi sparse_keymap intel_powerclamp coretemp joydev kvm_intel kvm crct10dif_pclmul snd_intel_sst_acpi crc32_pclmul snd_intel_sst_core ghash_clmulni_intel snd_soc_rt5640 snd_soc_sst_mfld_platform snd_soc_rl6231 cryptd snd_soc_core serio_raw snd_compress snd_pcm_dmaengine arc4 snd_seq_midi snd_seq_midi_event rtl8723be btcoexist snd_rawmidi snd_hda_intel rtl8723_common snd_hda_controller rtl_pci uvcvideo rtlwifi videobuf2_vmalloc snd_hda_codec videobuf2_memops videobuf2_core mac80211 i915 snd_hwdep v4l2_common usbhid videodev media snd_seq [ 5578.584289] rtsx_pci_ms cfg80211 drm_kms_helper memstick lpc_ich snd_pcm snd_seq_device drm mei_txe snd_timer mei shpchp i2c_algo_bit iosf_mbi wmi video hp_wireless snd dw_dmac dw_dmac_core int3400_thermal int3403_thermal acpi_thermal_rel processor_thermal_device intel_smartconnect mac_hid rfkill_gpio i2c_hid hid soundcore i2c_designware_platform i2c_designware_core snd_soc_sst_acpi 8250_dw spi_pxa2xx_platform pwm_lpss_platform pwm_lpss parport_pc ppdev lp parport autofs4 mmc_block rtsx_pci_sdmmc psmouse rtsx_pci sdhci_acpi sdhci [ 5578.584336] CPU: 0 PID: 15321 Comm: kworker/u8:9 Tainted: G W 3.19.0-12-generic #12-Ubuntu [ 5578.584339] Hardware name: Hewlett-Packard HP Stream Notebook PC 13/802A, BIOS F.05 11/28/2014 [ 5578.584351] Workqueue: rtsx_pci_sdmmc_workq sd_request [rtsx_pci_sdmmc] [ 5578.584354] ffffffffc055de10 ffff880076c02f30 ffffffff817c2175 0000000000000007 [ 5578.584358] ffff880076c02f80 ffff880076c02f70 ffffffff8107595a ffff880076c02f90 [ 5578.584363] ffff8800728ad000 ffff880079ba2800 0000000000000000 ffff880079ba29a8 [ 5578.584367] Call Trace: [ 5578.584371] [] dump_stack+0x45/0x57 [ 5578.584386] [] warn_slowpath_common+0x8a/0xc0 [ 5578.584391] [] warn_slowpath_fmt+0x46/0x50 [ 5578.584422] [] intel_check_page_flip+0xda/0xf0 [i915] [ 5578.584445] [] valleyview_pipestat_irq_handler+0x159/0x230 [i915] [ 5578.584470] [] valleyview_irq_handler+0xc1/0x170 [i915] [ 5578.584476] [] handle_irq_event_percpu+0x77/0x1a0 [ 5578.584481] [] handle_irq_event+0x41/0x70 [ 5578.584486] [] handle_edge_irq+0x6e/0x120 [ 5578.584490] [] handle_irq+0x22/0x40 [ 5578.584496] [] do_IRQ+0x4f/0xf0 [ 5578.584500] [] common_interrupt+0x6d/0x6d [ 5578.584506] [] ? nommu_map_page+0x44/0x80 [ 5578.584515] [] ? rtl8723be_phy_bb_config+0x282/0x640 [rtl8723be] [ 5578.584522] [] ? pci_read16_sync+0x10/0x20 [rtl_pci] [ 5578.584529] [] rtl8723be_tx_polling+0x53/0x60 [rtl8723be] [ 5578.584536] [] rtl_pci_tx+0x1eb/0x3f0 [rtl_pci] [ 5578.584545] [] ? rtl_is_special_data+0x2c/0x180 [rtlwifi] [ 5578.584554] [] rtl_op_tx+0x9d/0xa0 [rtlwifi] [ 5578.584581] [] __ieee80211_tx+0x290/0x390 [mac80211] [ 5578.584602] [] ieee80211_tx+0xbf/0x110 [mac80211] [ 5578.584623] [] ieee80211_xmit+0x94/0x100 [mac80211] [ 5578.584644] [] __ieee80211_subif_start_xmit+0x8c/0xb0 [mac80211] [ 5578.584665] [] ieee80211_subif_start_xmit+0x10/0x20 [mac80211] [ 5578.584671] [] dev_hard_start_xmit+0x169/0x3a0 [ 5578.584676] [] ? validate_xmit_skb.isra.92.part.93+0x20d/0x320 [ 5578.584682] [] sch_direct_xmit+0xdf/0x220 [ 5578.584686] [] __dev_queue_xmit+0x242/0x580 [ 5578.584691] [] ? handle_fasteoi_irq+0xc8/0x140 [ 5578.584696] [] dev_queue_xmit+0x10/0x20 [ 5578.584700] [] ip6_finish_output2+0x2ab/0x470 [ 5578.584705] [] ip6_finish_output+0x92/0xd0 [ 5578.584708] [] ip6_output+0x3c/0xc0 [ 5578.584714] [] ? ip6_dst_check+0x27/0x50 [ 5578.584718] [] ip6_xmit+0x225/0x480 [ 5578.584722] [] ? pingv6_exit+0x70/0x70 [ 5578.584727] [] inet6_csk_xmit+0x70/0xc0 [ 5578.584732] [] tcp_transmit_skb+0x4d2/0x990 [ 5578.584737] [] ? native_sched_clock+0x2a/0x90 [ 5578.584742] [] tcp_send_ack+0x116/0x170 [ 5578.584747] [] __tcp_ack_snd_check+0x5e/0xa0 [ 5578.584751] [] tcp_rcv_established+0x226/0x6f0 [ 5578.584757] [] ? security_sock_rcv_skb+0x16/0x20 [ 5578.584761] [] tcp_v6_do_rcv+0x180/0x570 [ 5578.584766] [] ? security_sock_rcv_skb+0x16/0x20 [ 5578.584770] [] tcp_v6_rcv+0x78e/0x940 [ 5578.584774] [] ? security_sock_rcv_skb+0x16/0x20 [ 5578.584779] [] ? sk_filter+0x2a/0xf0 [ 5578.584784] [] ? tcp_v4_rcv+0x7f4/0x9a0 [ 5578.584788] [] ip6_input_finish+0x72/0x430 [ 5578.584792] [] ip6_input+0x22/0x60 [ 5578.584797] [] ? ip_local_deliver+0x48/0x80 [ 5578.584801] [] ip6_rcv_finish+0x78/0xb0 [ 5578.584805] [] ipv6_rcv+0x308/0x500 [ 5578.584810] [] __netif_receive_skb_core+0x572/0x810 [ 5578.584815] [] ? irq_exit+0x49/0xa0 [ 5578.584819] [] ? do_IRQ+0x58/0xf0 [ 5578.584823] [] __netif_receive_skb+0x18/0x60 [ 5578.584828] [] netif_receive_skb_internal+0x23/0x90 [ 5578.584851] [] ? ieee80211_data_to_8023+0x211/0x410 [cfg80211] [ 5578.584855] [] netif_receive_skb+0x1c/0x70 [ 5578.584879] [] ieee80211_deliver_skb+0x148/0x1b0 [mac80211] [ 5578.584900] [] ieee80211_rx_handlers+0xef8/0x2450 [mac80211] [ 5578.584920] [] ? ieee80211_sta_reorder_release+0x271/0x2f0 [mac80211] [ 5578.584926] [] ? free_one_page+0x280/0x4e0 [ 5578.584931] [] ? handle_irq_event_percpu+0x133/0x1a0 [ 5578.584952] [] ieee80211_prepare_and_rx_handle+0x530/0xc20 [mac80211] [ 5578.584972] [] ieee80211_rx+0x5fe/0x910 [mac80211] [ 5578.584977] [] ? irq_exit+0x49/0xa0 [ 5578.584994] [] ieee80211_tasklet_handler+0xd4/0xe0 [mac80211] [ 5578.584999] [] tasklet_action+0xe6/0xf0 [ 5578.585003] [] __do_softirq+0x109/0x270 [ 5578.585007] [] irq_exit+0x95/0xa0 [ 5578.585012] [] do_IRQ+0x58/0xf0 [ 5578.585017] [] common_interrupt+0x6d/0x6d [ 5578.585019] [] ? rtsx_pci_send_cmd+0xff/0x1d0 [rtsx_pci] [ 5578.585048] [] ? rtsx_pci_dma_transfer+0x15/0x2c0 [rtsx_pci] [ 5578.585058] [] sd_request+0x4ad/0x59e [rtsx_pci_sdmmc] [ 5578.585064] [] process_one_work+0x158/0x430 [ 5578.585068] [] worker_thread+0x5b/0x530 [ 5578.585072] [] ? rescuer_thread+0x3a0/0x3a0 [ 5578.585077] [] kthread+0xc9/0xe0 [ 5578.585082] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 5578.585087] [] ret_from_fork+0x58/0x90 [ 5578.585092] [] ? kthread_create_on_node+0x1c0/0x1c0 [ 5578.585096] ---[ end trace 70c303625ab83eaf ]---