Is this a bug I should report? I keep getting this constantly in the log. I don't notice it in my use of the computer.
System76 Wild Dog Pro.
Intel HD 530 graphics.
Code:Dec 12 16:07:32 frontier kernel: [80936.949588] ------------[ cut here ]------------ Dec 12 16:07:32 frontier kernel: [80936.949598] WARNING: CPU: 0 PID: 1143 at /build/linux-26_gwp/linux-4.2.0/drivers/gpu/drm/i915/intel_pm.c:3404 skl_update_other_pipe_wm+0x1de/0x1f0 [i915]() Dec 12 16:07:32 frontier kernel: [80936.949599] WARN_ON(!wm_changed) Dec 12 16:07:32 frontier kernel: [80936.949600] Modules linked in: udp_diag tcp_diag inet_diag binfmt_misc drbg ansi_cprng ctr ccm hid_logitech_hidpp hid_generic hid_logitech_dj rfcomm bnep btusb btrtl btbcm btintel usbhid bluetooth uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common snd_usb_audio videodev snd_usbmidi_lib media pci_stub vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) arc4 snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic intel_rapl iosf_mbi snd_hda_intel x86_pkg_temp_thermal intel_powerclamp snd_hda_codec coretemp snd_hda_core snd_hwdep kvm_intel kvm crct10dif_pclmul snd_pcm crc32_pclmul iwlmvm snd_seq_midi snd_seq_midi_event snd_rawmidi mac80211 aesni_intel snd_seq snd_seq_device aes_x86_64 snd_timer lrw gf128mul glue_helper ablk_helper cryptd snd iwlwifi input_leds serio_raw soundcore cfg80211 shpchp mei_me mei 8250_fintek intel_lpss_acpi intel_lpss acpi_als tpm_infineon kfifo_buf acpi_pad industrialio mac_hid ip6t_REJECT nf_reject_ipv6 nf_log_ipv6 xt_hl ip6t_rt nf_conntrack_ipv6 nf_defrag_ipv6 ipt_REJECT nf_reject_ipv4 nf_log_ipv4 nf_log_common xt_LOG xt_limit xt_tcpudp xt_addrtype nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack ip6table_filter ip6_tables nf_conntrack_netbios_ns nf_conntrack_broadcast nf_nat_ftp nf_nat nf_conntrack_ftp nf_conntrack iptable_filter ip_tables parport_pc ppdev x_tables lp parport autofs4 btrfs xor raid6_pq dm_mirror dm_region_hash dm_log uas usb_storage i915 e1000e psmouse ptp pps_core i2c_algo_bit drm_kms_helper drm ahci libahci wmi video pinctrl_sunrisepoint pinctrl_intel i2c_hid hid Dec 12 16:07:32 frontier kernel: [80936.949647] CPU: 0 PID: 1143 Comm: Xorg Tainted: G W OE 4.2.0-19-generic #23-Ubuntu Dec 12 16:07:32 frontier kernel: [80936.949649] Hardware name: System76, Inc. Wild Dog Pro/H170-D3HP-CF, BIOS F2 10/19/2015 Dec 12 16:07:32 frontier kernel: [80936.949651] 0000000000000000 00000000d256a7c7 ffff8804593eb518 ffffffff817e93f9 Dec 12 16:07:32 frontier kernel: [80936.949652] 0000000000000000 ffff8804593eb570 ffff8804593eb558 ffffffff8107b3d6 Dec 12 16:07:32 frontier kernel: [80936.949654] ffff8804593eb620 ffff8804593eb6c4 ffff88045dc2d000 ffff88045dc2c000 Dec 12 16:07:32 frontier kernel: [80936.949655] Call Trace: Dec 12 16:07:32 frontier kernel: [80936.949659] [<ffffffff817e93f9>] dump_stack+0x45/0x57 Dec 12 16:07:32 frontier kernel: [80936.949662] [<ffffffff8107b3d6>] warn_slowpath_common+0x86/0xc0 Dec 12 16:07:32 frontier kernel: [80936.949663] [<ffffffff8107b465>] warn_slowpath_fmt+0x55/0x70 Dec 12 16:07:32 frontier kernel: [80936.949668] [<ffffffffc01abb9e>] skl_update_other_pipe_wm+0x1de/0x1f0 [i915] Dec 12 16:07:32 frontier kernel: [80936.949674] [<ffffffffc01abd6b>] skl_update_wm+0x1bb/0x740 [i915] Dec 12 16:07:32 frontier kernel: [80936.949683] [<ffffffffc01f7837>] ? gen9_read32+0xf7/0x2d0 [i915] Dec 12 16:07:32 frontier kernel: [80936.949691] [<ffffffffc01e02a2>] ? i915_get_vblank_timestamp+0x62/0xa0 [i915] Dec 12 16:07:32 frontier kernel: [80936.949697] [<ffffffffc01af4be>] intel_update_watermarks+0x1e/0x30 [i915] Dec 12 16:07:32 frontier kernel: [80936.949706] [<ffffffffc0212ad9>] intel_finish_crtc_commit+0x169/0x190 [i915] Dec 12 16:07:32 frontier kernel: [80936.949710] [<ffffffffc0100793>] drm_atomic_helper_commit_planes_on_crtc+0x143/0x260 [drm_kms_helper] Dec 12 16:07:32 frontier kernel: [80936.949719] [<ffffffffc022be3b>] intel_atomic_commit+0x6b/0x100 [i915] Dec 12 16:07:32 frontier kernel: [80936.949728] [<ffffffffc009bd47>] drm_atomic_commit+0x37/0x60 [drm] Dec 12 16:07:32 frontier kernel: [80936.949732] [<ffffffffc00ff0cf>] drm_atomic_helper_disable_plane+0xef/0x130 [drm_kms_helper] Dec 12 16:07:32 frontier kernel: [80936.949734] [<ffffffff81211700>] ? poll_select_copy_remaining+0x140/0x140 Dec 12 16:07:32 frontier kernel: [80936.949740] [<ffffffffc008b93a>] __setplane_internal+0x23a/0x2f0 [drm] Dec 12 16:07:32 frontier kernel: [80936.949741] [<ffffffff81211700>] ? poll_select_copy_remaining+0x140/0x140 Dec 12 16:07:32 frontier kernel: [80936.949747] [<ffffffffc008bb1b>] drm_mode_cursor_universal+0x12b/0x210 [drm] Dec 12 16:07:32 frontier kernel: [80936.949748] [<ffffffff817edf2f>] ? __ww_mutex_lock+0x5f/0xa0 Dec 12 16:07:32 frontier kernel: [80936.949753] [<ffffffffc008bc81>] drm_mode_cursor_common+0x81/0x180 [drm] Dec 12 16:07:32 frontier kernel: [80936.949759] [<ffffffffc008fca0>] drm_mode_cursor_ioctl+0x50/0x70 [drm] Dec 12 16:07:32 frontier kernel: [80936.949763] [<ffffffffc0080495>] drm_ioctl+0x125/0x610 [drm] Dec 12 16:07:32 frontier kernel: [80936.949769] [<ffffffffc008fc50>] ? drm_mode_setcrtc+0x500/0x500 [drm] Dec 12 16:07:32 frontier kernel: [80936.949771] [<ffffffff81210a25>] do_vfs_ioctl+0x295/0x480 Dec 12 16:07:32 frontier kernel: [80936.949772] [<ffffffff81087f71>] ? __set_task_blocked+0x41/0xa0 Dec 12 16:07:32 frontier kernel: [80936.949774] [<ffffffff81210c89>] SyS_ioctl+0x79/0x90 Dec 12 16:07:32 frontier kernel: [80936.949775] [<ffffffff8108ab9e>] ? SyS_rt_sigprocmask+0x8e/0xc0 Dec 12 16:07:32 frontier kernel: [80936.949777] [<ffffffff817f01f2>] entry_SYSCALL_64_fastpath+0x16/0x75 Dec 12 16:07:32 frontier kernel: [80936.949778] ---[ end trace d3216d9b2aeab5a3 ]---
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