Aug  7 13:51:37 localhost kernel: [62991.225087] [drm] capturing error event; look for more information in /debug/dri/0/i915_error_state
Aug  7 13:51:37 localhost kernel: [62991.249970] ------------[ cut here ]------------
Aug  7 13:51:37 localhost kernel: [62991.249998] WARNING: at drivers/gpu/drm/i915/i915_drv.c:398 gen6_gt_check_fifodbg.isra.3+0x40/0x50 [i915]()
Aug  7 13:51:37 localhost kernel: [62991.250005] Hardware name: 4239CTO
Aug  7 13:51:37 localhost kernel: [62991.250010] MMIO read or write has been dropped 3
Aug  7 13:51:37 localhost kernel: [62991.250014] Modules linked in: vboxdrv(O) fuse i915 arc4 snd_hda_codec_hdmi joydev rtl8192ce i2c_algo_bit rtlwifi rtl8192c_common drm_kms_helper snd_hda_codec_conexant acpi_cpufreq mperf drm mac80211 microcode ghash_clmulni_intel thinkpad_acpi cryptd firewire_ohci e1000e firewire_core evdev iTCO_wdt i2c_i801 sdhci_pci sdhci cfg80211 mei(C) i2c_core mmc_core processor thermal button ac video battery serio_raw psmouse pcspkr wmi nvram rfkill crc_itu_t tpm_tis coretemp tpm tpm_bios intel_agp intel_gtt iTCO_vendor_support snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore crc32c_intel ext4 crc16 jbd2 mbcache sr_mod cdrom sd_mod ahci libahci libata scsi_mod ehci_hcd usbcore usb_common
Aug  7 13:51:37 localhost kernel: [62991.250157] Pid: 620, comm: X Tainted: G        WC O 3.4.7-1-ARCH #1
Aug  7 13:51:37 localhost kernel: [62991.250163] Call Trace:
Aug  7 13:51:37 localhost kernel: [62991.250176]  [<ffffffff810515bf>] warn_slowpath_common+0x7f/0xc0
Aug  7 13:51:37 localhost kernel: [62991.250187]  [<ffffffff810516b6>] warn_slowpath_fmt+0x46/0x50
Aug  7 13:51:37 localhost kernel: [62991.250206]  [<ffffffffa043c490>] gen6_gt_check_fifodbg.isra.3+0x40/0x50 [i915]
Aug  7 13:51:37 localhost kernel: [62991.250225]  [<ffffffffa043c81e>] __gen6_gt_force_wake_put+0x1e/0x20 [i915]
Aug  7 13:51:37 localhost kernel: [62991.250242]  [<ffffffffa043c88a>] gen6_gt_force_wake_put+0x3a/0x60 [i915]
Aug  7 13:51:37 localhost kernel: [62991.250265]  [<ffffffffa047b67c>] gen6_ring_put_irq+0x7c/0xa0 [i915]
Aug  7 13:51:37 localhost kernel: [62991.250287]  [<ffffffffa047b6b8>] blt_ring_put_irq+0x18/0x20 [i915]
Aug  7 13:51:37 localhost kernel: [62991.250309]  [<ffffffffa044e365>] i915_wait_request+0x1d5/0x4e0 [i915]
Aug  7 13:51:37 localhost kernel: [62991.250321]  [<ffffffff81073b50>] ? abort_exclusive_wait+0xb0/0xb0
Aug  7 13:51:37 localhost kernel: [62991.250343]  [<ffffffffa044e6a7>] i915_gem_object_wait_rendering+0x37/0x40 [i915]
Aug  7 13:51:37 localhost kernel: [62991.250365]  [<ffffffffa0454e10>] i915_gem_do_execbuffer.isra.7+0x9a0/0x1860 [i915]
Aug  7 13:51:37 localhost kernel: [62991.250376]  [<ffffffff812452c0>] ? rb_insert_color+0x110/0x150
Aug  7 13:51:37 localhost kernel: [62991.250387]  [<ffffffff81246934>] ? timerqueue_add+0x74/0xc0
Aug  7 13:51:37 localhost kernel: [62991.250410]  [<ffffffffa04561e9>] i915_gem_execbuffer2+0x99/0x280 [i915]
Aug  7 13:51:37 localhost kernel: [62991.250430]  [<ffffffffa03a9483>] drm_ioctl+0x4c3/0x570 [drm]
Aug  7 13:51:37 localhost kernel: [62991.250450]  [<ffffffffa0456150>] ? i915_gem_execbuffer+0x480/0x480 [i915]
Aug  7 13:51:37 localhost kernel: [62991.250464]  [<ffffffff810143ea>] ? do_signal+0x14a/0x5f0
Aug  7 13:51:37 localhost kernel: [62991.250474]  [<ffffffff8101f362>] ? fpu_finit+0x22/0x40
Aug  7 13:51:37 localhost kernel: [62991.250485]  [<ffffffff810200ba>] ? check_for_xstate+0x3a/0xa0
Aug  7 13:51:37 localhost kernel: [62991.250497]  [<ffffffff81180ab7>] do_vfs_ioctl+0x97/0x530
Aug  7 13:51:37 localhost kernel: [62991.250508]  [<ffffffff81014100>] ? restore_sigcontext+0x120/0x160
Aug  7 13:51:37 localhost kernel: [62991.250520]  [<ffffffff81180fe9>] sys_ioctl+0x99/0xa0
Aug  7 13:51:37 localhost kernel: [62991.250530]  [<ffffffff8146aaa9>] system_call_fastpath+0x16/0x1b
Aug  7 13:51:37 localhost kernel: [62991.250539] ---[ end trace e8d278962b67f62a ]---