Sep 28 21:43:41 blackbox kernel: [drm:intel_dp_start_link_train [i915]] *ERROR* too many voltage retries, give up Sep 28 21:43:42 blackbox kernel: [drm:intel_dp_start_link_train [i915]] *ERROR* too many voltage retries, give up Sep 28 21:43:43 blackbox kernel: [drm:intel_dp_start_link_train [i915]] *ERROR* too many voltage retries, give up Sep 28 21:43:43 blackbox kernel: [drm:intel_dp_start_link_train [i915]] *ERROR* too many voltage retries, give up Sep 28 21:43:44 blackbox kernel: [drm:intel_dp_start_link_train [i915]] *ERROR* too many voltage retries, give up Sep 28 21:43:45 blackbox kernel: [drm:intel_dp_start_link_train [i915]] *ERROR* too many voltage retries, give up Sep 28 21:43:46 blackbox kernel: [drm:intel_dp_start_link_train [i915]] *ERROR* too many voltage retries, give up Sep 28 21:43:46 blackbox kernel: [drm:intel_dp_complete_link_train [i915]] *ERROR* failed to train DP, aborting Sep 28 21:43:46 blackbox kernel: [drm:intel_dp_start_link_train [i915]] *ERROR* too many voltage retries, give up Sep 28 21:43:47 blackbox kernel: [drm:intel_dp_start_link_train [i915]] *ERROR* too many voltage retries, give up Sep 28 21:43:48 blackbox kernel: [drm:intel_dp_start_link_train [i915]] *ERROR* too many voltage retries, give up Sep 28 21:43:48 blackbox kernel: [drm:intel_dp_start_link_train [i915]] *ERROR* too many voltage retries, give up Sep 28 21:43:49 blackbox kernel: [drm:intel_dp_start_link_train [i915]] *ERROR* too many voltage retries, give up Sep 28 21:43:50 blackbox kernel: [drm:check_crtc_state [i915]] *ERROR* mismatch in base.adjusted_mode.crtc_clock (expected 108000, found 53999) Sep 28 21:43:50 blackbox kernel: ------------[ cut here ]------------ Sep 28 21:43:50 blackbox kernel: WARNING: CPU: 2 PID: 678 at drivers/gpu/drm/i915/intel_display.c:12324 check_crtc_state+0x8df/0xf80 [i915]() Sep 28 21:43:50 blackbox kernel: pipe state doesn't match! Sep 28 21:43:50 blackbox kernel: Modules linked in: cmac ecb rfcomm ctr ccm fuse bridge stp llc bnep uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core btusb v4l2_common btrtl btbcm videodev btintel media bluetooth snd_hda_codec_hdmi joydev mousedev iTCO_wdt iTCO_vendor_support msr arc4 snd_hda_codec_realtek snd_hda_codec_generic intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm pcspkr evdev input_leds psmouse mac_hid serio_raw iwlmvm i915 mac80211 snd_hda_intel snd_hda_codec snd_hda_core rtsx_pci_ms snd_hwdep mei_me i2c_i801 tpm_tis memstick drm_kms_helper lpc_ich snd_pcm iwlwifi ie31200_edac mei cfg80211 e1000e drm snd_timer thinkpad_acpi shpchp ptp intel_gtt nvram pps_core i2c_algo_bit snd edac_core soundcore led_class tpm thermal wmi rfkill battery button video ac processor Sep 28 21:43:50 blackbox kernel: sch_fq_codel acpi_call(O) x_tables ext4 crc16 mbcache jbd2 jitterentropy_rng sha256_ssse3 sha256_generic hmac drbg ansi_cprng algif_skcipher af_alg mmc_block 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 ablk_helper cryptd ahci libahci libata rtsx_pci ehci_pci xhci_pci ehci_hcd xhci_hcd i8042 serio usb_storage scsi_mod usbhid hid usbcore usb_common [last unloaded: ip_tables] Sep 28 21:43:50 blackbox kernel: CPU: 2 PID: 678 Comm: Xorg Tainted: G O 4.2.1-1-ARCH #1 Sep 28 21:43:50 blackbox kernel: Hardware name: LENOVO 20ASS25V00/20ASS25V00, BIOS J4ET76WW(1.76) 03/03/2015 Sep 28 21:43:50 blackbox kernel: 0000000000000000 00000000ebd2ae8f ffff8800c7da3788 ffffffff8156b77a Sep 28 21:43:50 blackbox kernel: 0000000000000000 ffff8800c7da37e0 ffff8800c7da37c8 ffffffff81074846 Sep 28 21:43:50 blackbox kernel: 00000001c7da37d8 ffff88007fc64350 ffff8802158b6000 ffff88007fc64000 Sep 28 21:43:50 blackbox kernel: Call Trace: Sep 28 21:43:50 blackbox kernel: [] dump_stack+0x4c/0x6e Sep 28 21:43:50 blackbox kernel: [] warn_slowpath_common+0x86/0xc0 Sep 28 21:43:50 blackbox kernel: [] warn_slowpath_fmt+0x55/0x70 Sep 28 21:43:50 blackbox kernel: [] check_crtc_state+0x8df/0xf80 [i915] Sep 28 21:43:50 blackbox kernel: [] intel_modeset_check_state+0x216/0xb50 [i915] Sep 28 21:43:50 blackbox kernel: [] ? __intel_set_mode+0x92c/0xb60 [i915] Sep 28 21:43:50 blackbox kernel: [] intel_crtc_set_config+0x4c7/0x580 [i915] Sep 28 21:43:50 blackbox kernel: [] drm_mode_set_config_internal+0x66/0x100 [drm] Sep 28 21:43:50 blackbox kernel: [] drm_mode_setcrtc+0x3e9/0x500 [drm] Sep 28 21:43:50 blackbox kernel: [] drm_ioctl+0x125/0x610 [drm] Sep 28 21:43:50 blackbox kernel: [] ? fsnotify+0x316/0x4a0 Sep 28 21:43:50 blackbox kernel: [] ? drm_mode_setplane+0x1b0/0x1b0 [drm] Sep 28 21:43:50 blackbox kernel: [] do_vfs_ioctl+0x295/0x480 Sep 28 21:43:50 blackbox kernel: [] ? __fget+0x77/0xb0 Sep 28 21:43:50 blackbox kernel: [] SyS_ioctl+0x79/0x90 Sep 28 21:43:50 blackbox kernel: [] ? SyS_rt_sigprocmask+0x8e/0xc0 Sep 28 21:43:50 blackbox kernel: [] entry_SYSCALL_64_fastpath+0x12/0x71 Sep 28 21:43:50 blackbox kernel: ---[ end trace 7cebf4e252251694 ]--- Sep 28 21:43:50 blackbox kernel: [drm:intel_dp_start_link_train [i915]] *ERROR* too many voltage retries, give up Sep 28 21:43:50 blackbox kernel: [drm:intel_dp_start_link_train [i915]] *ERROR* too many voltage retries, give up Sep 28 21:43:50 blackbox kernel: [drm:intel_dp_complete_link_train [i915]] *ERROR* failed to train DP, aborting Sep 28 21:43:51 blackbox kernel: [drm:intel_dp_start_link_train [i915]] *ERROR* too many voltage retries, give up Sep 28 21:43:52 blackbox kernel: [drm:intel_dp_start_link_train [i915]] *ERROR* too many voltage retries, give up Sep 28 21:43:52 blackbox kernel: [drm:intel_dp_start_link_train [i915]] *ERROR* too many voltage retries, give up Sep 28 21:43:53 blackbox kernel: [drm:intel_dp_start_link_train [i915]] *ERROR* too many voltage retries, give up Sep 28 21:43:54 blackbox kernel: [drm:intel_dp_start_link_train [i915]] *ERROR* too many voltage retries, give up Sep 28 21:43:55 blackbox kernel: [drm:intel_dp_start_link_train [i915]] *ERROR* too many voltage retries, give up Sep 28 21:43:55 blackbox kernel: [drm:intel_dp_start_link_train [i915]] *ERROR* too many voltage retries, give up Sep 28 21:43:55 blackbox kernel: [drm:intel_dp_complete_link_train [i915]] *ERROR* failed to train DP, aborting Sep 28 21:43:55 blackbox kernel: [drm:intel_set_cpu_fifo_underrun_reporting [i915]] *ERROR* uncleared fifo underrun on pipe A Sep 28 21:43:55 blackbox kernel: [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun Sep 28 21:44:07 blackbox kernel: [drm:intel_dp_start_link_train [i915]] *ERROR* too many voltage retries, give up Sep 28 21:44:08 blackbox kernel: [drm:intel_dp_start_link_train [i915]] *ERROR* too many voltage retries, give up