[ 147.293443] ------------[ cut here ]------------ [ 147.293531] WARNING: CPU: 1 PID: 6786 at /build/linux-dcxD3m/linux-4.4.0/ubuntu/i915/intel_pm.c:3586 skl_update_other_pipe_wm+0x16c/0x180 [i915_bpo]() [ 147.293537] WARN_ON(!wm_changed) [ 147.293542] Modules linked in: [ 147.293547] hid_logitech_hidpp hid_logitech_dj hid_generic snd_usb_audio usbhid hid snd_usbmidi_lib ctr ccm pci_stub vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) ip6t_REJECT nf_reject_ipv6 xt_CHECKSUM ipt_REJECT nf_reject_ipv4 ebtable_filter ebtables ip6table_filter ip6_tables ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_addrtype iptable_nat nf_nat_ipv4 nf_nat xt_tcpudp nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack br_netfilter bridge stp llc aufs iptable_filter iptable_mangle ip_tables x_tables rfcomm bnep binfmt_misc zfs(PO) zunicode(PO) zcommon(PO) znvpair(PO) spl(O) zavl(PO) arc4 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp iwlmvm snd_hda_codec_hdmi mac80211 input_leds snd_hda_codec_realtek snd_soc_skl joydev snd_hda_codec_generic snd_soc_skl_ipc serio_raw snd_hda_ext_core [ 147.293668] snd_soc_sst_ipc snd_soc_sst_dsp btusb btrtl cdc_mbim cdc_wdm snd_soc_core btbcm cdc_ncm iwlwifi usbnet snd_compress mii ac97_bus btintel bluetooth snd_pcm_dmaengine dw_dmac_core rtsx_pci_ms qcserial snd_hda_intel memstick usb_wwan usbserial cfg80211 snd_hda_codec snd_hda_core snd_hwdep snd_pcm shpchp mei_me mei thinkpad_acpi nvram snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer snd soundcore mac_hid kvm_intel kvm irqbypass parport_pc ppdev lp parport autofs4 xfs btrfs drbg ansi_cprng algif_skcipher af_alg dm_crypt raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear rtsx_pci_sdmmc crct10dif_pclmul crc32_pclmul aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd i915_bpo [ 147.293804] psmouse intel_ips i2c_algo_bit e1000e drm_kms_helper syscopyarea ptp sysfillrect pps_core sysimgblt fb_sys_fops drm ahci rtsx_pci libahci wmi video fjes [ 147.293847] CPU: 1 PID: 6786 Comm: Xorg Tainted: P OE 4.4.0-31-generic #50-Ubuntu [ 147.293852] Hardware name: LENOVO 20FAS05Q00/20FAS05Q00, BIOS N1CET37W (1.05 ) 01/15/2016 [ 147.293858] 0000000000000286 00000000138228cb ffff8800b40639a8 ffffffff813f1143 [ 147.293868] ffff8800b40639f0 ffffffffc0293c98 ffff8800b40639e0 ffffffff81081102 [ 147.293877] ffff8805040a6000 ffff8805032d9d9c ffff8805040a7000 ffff88050372ab78 [ 147.293886] Call Trace: [ 147.293904] [] dump_stack+0x63/0x90 [ 147.293917] [] warn_slowpath_common+0x82/0xc0 [ 147.293925] [] warn_slowpath_fmt+0x5c/0x80 [ 147.293989] [] skl_update_other_pipe_wm+0x16c/0x180 [i915_bpo] [ 147.294050] [] skl_update_wm+0x186/0x5f0 [i915_bpo] [ 147.294109] [] intel_update_watermarks+0x1e/0x30 [i915_bpo] [ 147.294198] [] intel_atomic_commit+0x485/0xdc0 [i915_bpo] [ 147.294265] [] ? drm_atomic_check_only+0x18e/0x590 [drm] [ 147.294319] [] drm_atomic_commit+0x37/0x60 [drm] [ 147.294350] [] drm_atomic_helper_set_config+0x76/0xb0 [drm_kms_helper] [ 147.294405] [] ? drm_modeset_lock_all_ctx+0x9a/0xb0 [drm] [ 147.294455] [] drm_mode_set_config_internal+0x62/0x100 [drm] [ 147.294507] [] drm_mode_setcrtc+0x3d2/0x4f0 [drm] [ 147.294545] [] drm_ioctl+0x152/0x540 [drm] [ 147.294590] [] ? drm_mode_setplane+0x1b0/0x1b0 [drm] [ 147.294601] [] ? mntput+0x24/0x40 [ 147.294610] [] do_vfs_ioctl+0x29f/0x490 [ 147.294622] [] ? ____fput+0xe/0x10 [ 147.294634] [] ? task_work_run+0x84/0xa0 [ 147.294642] [] SyS_ioctl+0x79/0x90 [ 147.294652] [] entry_SYSCALL_64_fastpath+0x16/0x71 [ 147.294759] ---[ end trace f76cb2a96d4b960a ]---