Feb 28 01:11:42 tesseract kernel: ------------[ cut here ]------------
Feb 28 01:11:42 tesseract kernel: WARNING: CPU: 1 PID: 10325 at drivers/gpu/drm/i915/intel_runtime_pm.c:636 skl_enable_dc6+0xba/0xc0 [i915]
Feb 28 01:11:42 tesseract kernel: DC6 already programmed to be enabled.
Feb 28 01:11:42 tesseract kernel: Modules linked in: isofs sr_mod cdrom ums_cypress uas usb_storage xt_nat xt_tcpudp veth ipt_MASQUERADE nf_nat_masquerad
Feb 28 01:11:42 tesseract kernel:  e1000e snd_hda_intel snd_hda_codec snd_seq_device snd_hda_core ptp snd_hwdep i2c_i801 pps_core i2c_smbus snd_pcm snd_t
Feb 28 01:11:42 tesseract kernel: CPU: 1 PID: 10325 Comm: kworker/1:0 Tainted: P           O    4.9.11-1-ARCH #1
Feb 28 01:11:42 tesseract kernel: Hardware name: FUJITSU D3417-B1/D3417-B1, BIOS V5.0.0.11 R1.17.0 for D3417-B1x                    09/16/2016
Feb 28 01:11:42 tesseract kernel: Workqueue: events i915_hpd_poll_init_work [i915]
Feb 28 01:11:42 tesseract kernel:  ffffc9000326bbf0 ffffffff81305830 ffffc9000326bc40 0000000000000000
Feb 28 01:11:42 tesseract kernel:  ffffc9000326bc30 ffffffff8107eb3b 0000027c00000202 ffff880807a10000
Feb 28 01:11:42 tesseract kernel:  ffff880807a10000 ffff880807a10000 0000000002000000 0000000000000019
Feb 28 01:11:42 tesseract kernel: Call Trace:
Feb 28 01:11:42 tesseract kernel:  [<ffffffff81305830>] dump_stack+0x63/0x83
Feb 28 01:11:42 tesseract kernel:  [<ffffffff8107eb3b>] __warn+0xcb/0xf0
Feb 28 01:11:42 tesseract kernel:  [<ffffffff8107ebbf>] warn_slowpath_fmt+0x5f/0x80
Feb 28 01:11:42 tesseract kernel:  [<ffffffffa00ffa2a>] skl_enable_dc6+0xba/0xc0 [i915]
Feb 28 01:11:42 tesseract kernel:  [<ffffffffa00ffa61>] gen9_dc_off_power_well_disable+0x31/0x40 [i915]
Feb 28 01:11:42 tesseract kernel:  [<ffffffffa00fd4ee>] intel_power_well_disable+0x3e/0x50 [i915]
Feb 28 01:11:42 tesseract kernel:  [<ffffffffa00fd52e>] intel_power_well_put+0x2e/0x60 [i915]
Feb 28 01:11:42 tesseract kernel:  [<ffffffffa01006d9>] intel_display_power_put+0xa9/0x100 [i915]
Feb 28 01:11:42 tesseract kernel:  [<ffffffffa018aabf>] intel_dp_detect+0x29f/0xb90 [i915]
Feb 28 01:11:42 tesseract kernel:  [<ffffffffa00883be>] drm_helper_hpd_irq_event+0xae/0x160 [drm_kms_helper]
Feb 28 01:11:42 tesseract kernel:  [<ffffffffa0172e8e>] i915_hpd_poll_init_work+0xae/0xd0 [i915]
Feb 28 01:11:42 tesseract kernel:  [<ffffffff81098ad5>] process_one_work+0x1e5/0x470
Feb 28 01:11:42 tesseract kernel:  [<ffffffff81098da8>] worker_thread+0x48/0x4e0
Feb 28 01:11:42 tesseract kernel:  [<ffffffff81098d60>] ? process_one_work+0x470/0x470
Feb 28 01:11:42 tesseract kernel:  [<ffffffff81098d60>] ? process_one_work+0x470/0x470
Feb 28 01:11:42 tesseract kernel:  [<ffffffff81083aa7>] ? SyS_exit+0x17/0x20
Feb 28 01:11:42 tesseract kernel:  [<ffffffff8109e939>] kthread+0xd9/0xf0
Feb 28 01:11:42 tesseract kernel:  [<ffffffff8102d752>] ? __switch_to+0x2d2/0x630
Feb 28 01:11:42 tesseract kernel:  [<ffffffff8109e860>] ? kthread_park+0x60/0x60
Feb 28 01:11:42 tesseract kernel:  [<ffffffff8160ad55>] ret_from_fork+0x25/0x30
Feb 28 01:11:42 tesseract kernel: ---[ end trace cce70f32df056aa1 ]---
Feb 28 01:11:42 tesseract kernel: [drm:gen9_set_dc_state [i915]] *ERROR* DC state mismatch (0x0 -> 0x2)