[ 36.690237] [drm:intel_set_cpu_fifo_underrun_reporting [i915]] *ERROR* uncleared fifo underrun on pipe B [ 36.690258] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe B FIFO underrun [ 36.710981] [drm:check_crtc_state [i915]] *ERROR* mismatch in dpll_hw_state.wrpll (expected 0x90280202, found 0x00000000) [ 36.710984] ------------[ cut here ]------------ [ 36.710999] WARNING: CPU: 0 PID: 446 at drivers/gpu/drm/i915/intel_display.c:12619 check_crtc_state+0x94d/0x10f0 [i915]() [ 36.711000] pipe state doesn't match! [ 36.711001] Modules linked in: ctr ccm arc4 iwlmvm mac80211 iwlwifi snd_hda_codec_hdmi snd_hda_codec_realtek rtsx_pci_ms snd_hda_codec_generic memstick cfg80211 iTCO_wdt iTCO_vendor_support cmac ecb rfcomm bnep btusb btbcm btintel bluetooth joydev mousedev uvcvideo coretemp videobuf2_vmalloc videobuf2_memops intel_rapl videobuf2_core iosf_mbi v4l2_common x86_pkg_temp_thermal videodev intel_powerclamp kvm_intel media kvm pcspkr psmouse serio_raw snd_hda_intel snd_hda_codec snd_hda_core thinkpad_acpi snd_hwdep lpc_ich i2c_i801 nvram snd_pcm led_class shpchp mei_me rfkill e1000e snd_timer tpm_tis hwmon snd tpm battery ac mei wmi soundcore ptp pps_core evdev mac_hid processor thermal sch_fq_codel ip_tables x_tables ext4 crc16 mbcache jbd2 sha256_ssse3 sha256_generic algif_skcipher af_alg hid_generic [ 36.711046] hid_logitech_hidpp hid_logitech_dj usbhid hid dm_crypt dm_mod sd_mod rtsx_pci_sdmmc mmc_core atkbd libps2 crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ahci ablk_helper cryptd libahci libata scsi_mod xhci_pci ehci_pci xhci_hcd ehci_hcd rtsx_pci usbcore usb_common i8042 serio i915 button intel_gtt i2c_algo_bit video drm_kms_helper drm i2c_core [ 36.711072] CPU: 0 PID: 446 Comm: Xorg Tainted: G W 4.1.0-rc6-drm_intel_nightly_20150607 #3 [ 36.711073] Hardware name: LENOVO 20ALCTO1WW/20ALCTO1WW, BIOS GIET62WW (2.12 ) 09/25/2013 [ 36.711075] 0000000000000000 00000000282b41a4 ffff880211bf3778 ffffffff81580a71 [ 36.711078] 0000000000000000 ffff880211bf37d0 ffff880211bf37b8 ffffffff81079a1a [ 36.711081] ffff880211bf37b8 ffff8800c95c1b48 ffff8802136e2000 ffff8800c95c1800 [ 36.711084] Call Trace: [ 36.711092] [] dump_stack+0x4c/0x6e [ 36.711096] [] warn_slowpath_common+0x8a/0xc0 [ 36.711098] [] warn_slowpath_fmt+0x55/0x70 [ 36.711117] [] check_crtc_state+0x94d/0x10f0 [i915] [ 36.711136] [] intel_modeset_check_state+0x29d/0xc40 [i915] [ 36.711152] [] ? __intel_set_mode+0x7a5/0x7f0 [i915] [ 36.711167] [] intel_crtc_set_config+0x529/0x5a0 [i915] [ 36.711181] [] drm_mode_set_config_internal+0x66/0x100 [drm] [ 36.711193] [] drm_mode_setcrtc+0x41e/0x570 [drm] [ 36.711206] [] drm_ioctl+0x12f/0x620 [drm] [ 36.711218] [] ? drm_mode_setplane+0x1d0/0x1d0 [drm] [ 36.711222] [] do_vfs_ioctl+0x2c6/0x4d0 [ 36.711226] [] ? __sb_end_write+0x35/0x70 [ 36.711228] [] ? __fget+0x72/0xb0 [ 36.711232] [] SyS_ioctl+0x81/0xa0 [ 36.711235] [] system_call_fastpath+0x12/0x71 [ 36.711237] ---[ end trace fc60895cd0bd3072 ]---