[ 11.435665] WARNING: CPU: 1 PID: 3100 at /home/adam/linux-kernels/source/linux-4.3.0/drivers/gpu/drm/i915/intel_uncore.c:664 hsw_unclaimed_reg_debug+0x89/0x130 [i915]() [ 11.435667] Unclaimed register detected after writing to register 0x4510c [ 11.435669] Modules linked in: lirc_serial(C) nf_conntrack_ipv4 nf_defrag_ipv4 xt_tcpudp iptable_filter xt_recent xt_conntrack nf_conntrack ip_tables x_tables cpufreq_ondemand cpufreq_powersave cpufreq_stats cpufreq_conservative cpufreq_userspace cmac ecb btusb btrtl btbcm btintel uinput intel_rapl iosf_mbi intel_powerclamp kvm_intel kvm crct10dif_pclmul crc32_pclmul aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd microcode snd_hda_codec_hdmi uio_pdrv_genirq snd_hda_codec_realtek snd_soc_rt5640 snd_hda_codec_generic snd_soc_rl6231 uio snd_soc_ssm4567 snd_soc_core snd_compress ac97_bus snd_pcm_dmaengine snd_hda_intel snd_seq_oss snd_hda_codec rfcomm snd_hda_core snd_seq_midi snd_hwdep bnep snd_pcm_oss bluetooth rfkill snd_seq_midi_event snd_mixer_oss snd_pcm snd_rawmidi lpc_ich fbcon bitblit softcursor ehci_pci xhci_pci font ehci_hcd shpchp xhci_hcd tileblit snd_seq ir_xmp_decoder ir_lirc_codec ir_mce_kbd_decoder lirc_dev ir_sharp_decoder ir_sanyo_decoder ir_sony_decoder ir_jvc_decoder snd_seq_device ir_rc6_decoder ir_rc5_decoder snd_timer ir_nec_decoder battery rtc_cmos rc_rc6_mce 8250_fintek parport_pc ite_cir snd rc_core ppdev i2c_hid elan_i2c hid soundcore lp parport dw_dmac i2c_designware_platform snd_soc_sst_acpi usblp 8250_dw dw_dmac_core i2c_designware_core usbcore spi_pxa2xx_platform usb_common lm63 sbs nfsd sbshc acpi_als evdev auth_rpcgss kfifo_buf nfs_acl acpi_pad coretemp industrialio i2c_dev processor nfs lockd grace sunrpc fscache hwmon_vid ipv6 ext4 crc16 jbd2 mbcache sd_mod crc32c_intel ahci libahci libata scsi_mod igb i915 dca ptp pps_core squashfs intel_gtt i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm agpgart fan thermal video sdhci_acpi sdhci fjes mmc_core button [ 11.435833] CPU: 1 PID: 3100 Comm: Xorg Tainted: G U WC 4.3.0-64bit #1 [ 11.435835] Hardware name: To be filled by O.E.M. To be filled by O.E.M./CRESCENTBAY, BIOS 31BDW201 03/11/2015 [ 11.435837] ffffffffa02310f8 ffff880093687678 ffffffff8131b509 ffff8800936876c0 [ 11.435842] ffff8800936876b0 ffffffff8106fb22 ffff880146ff0000 0000000000000000 [ 11.435846] 0000000000000000 ffff880146ff0080 0000000000203296 ffff880093687710 [ 11.435851] Call Trace: [ 11.435857] [] dump_stack+0x4b/0x72 [ 11.435861] [] warn_slowpath_common+0x82/0xc0 [ 11.435864] [] warn_slowpath_fmt+0x4c/0x50 [ 11.435885] [] hsw_unclaimed_reg_debug+0x89/0x130 [i915] [ 11.435903] [] __raw_i915_write32+0x3c/0x50 [i915] [ 11.435921] [] gen8_write32+0xf4/0x1e0 [i915] [ 11.435936] [] ilk_update_wm+0x7da/0x1060 [i915] [ 11.435953] [] ? gen8_ggtt_insert_entries+0xf4/0x120 [i915] [ 11.435970] [] intel_update_watermarks+0x1e/0x30 [i915] [ 11.435991] [] intel_begin_crtc_commit+0xaa/0xc0 [i915] [ 11.435999] [] drm_atomic_helper_commit_planes_on_crtc+0x5b/0x260 [drm_kms_helper] [ 11.436021] [] intel_atomic_commit+0x201/0x1340 [i915] [ 11.436039] [] ? drm_atomic_check_only+0x21e/0x550 [drm] [ 11.436054] [] ? drm_atomic_get_crtc_state+0x6d/0xd0 [drm] [ 11.436068] [] drm_atomic_commit+0x37/0x60 [drm] [ 11.436076] [] drm_atomic_helper_update_plane+0xec/0x130 [drm_kms_helper] [ 11.436090] [] __setplane_internal+0x2cc/0x300 [drm] [ 11.436104] [] drm_mode_cursor_universal+0x124/0x200 [drm] [ 11.436117] [] drm_mode_cursor_common+0x84/0x180 [drm] [ 11.436136] [] ? i915_gem_fault+0x1c5/0x4c0 [i915] [ 11.436151] [] drm_mode_cursor_ioctl+0x41/0x50 [drm] [ 11.436162] [] drm_ioctl+0x138/0x520 [drm] [ 11.436165] [] ? __fget+0x9f/0xf0 [ 11.436179] [] ? drm_mode_setcrtc+0x4d0/0x4d0 [drm] [ 11.436182] [] ? __fget+0x5/0xf0 [ 11.436198] [] drm_compat_ioctl+0x33/0x40 [drm] [ 11.436215] [] i915_compat_ioctl+0x32/0x40 [i915] [ 11.436218] [] compat_SyS_ioctl+0xc0/0x1550 [ 11.436222] [] ? up_read+0x1f/0x40 [ 11.436227] [] ? __do_page_fault+0x1dd/0x440 [ 11.436231] [] sysenter_dispatch+0xf/0x29 [ 11.436234] ---[ end trace 7272da559a48108b ]---