[ 199.575264] DMAR: DRHD: handling fault status reg 3 [ 199.575269] DMAR: DMAR:[DMA Write] Request device [00:02.0] fault addr fe3ab000 DMAR:[fault reason 23] Unknown [ 199.775235] DMAR: DRHD: handling fault status reg 3 [ 199.775238] DMAR: DMAR:[DMA Write] Request device [00:02.0] fault addr fe3ab000 DMAR:[fault reason 23] Unknown [ 199.973998] DMAR: DRHD: handling fault status reg 3 [ 199.974001] DMAR: DMAR:[DMA Write] Request device [00:02.0] fault addr fe3ab000 DMAR:[fault reason 23] Unknown [ 200.291846] DMAR: DRHD: handling fault status reg 3 [ 200.291850] DMAR: DMAR:[DMA Write] Request device [00:02.0] fault addr fe3ab000 DMAR:[fault reason 23] Unknown [ 200.295439] DMAR: DRHD: handling fault status reg 3 [ 200.295443] DMAR: DMAR:[DMA Write] Request device [00:02.0] fault addr fe3ac000 DMAR:[fault reason 23] Unknown [ 200.391863] DMAR: DRHD: handling fault status reg 3 [ 200.391867] DMAR: DMAR:[DMA Write] Request device [00:02.0] fault addr fe3ac000 DMAR:[fault reason 23] Unknown [ 200.591827] DMAR: DRHD: handling fault status reg 3 [ 200.591831] DMAR: DMAR:[DMA Write] Request device [00:02.0] fault addr fe3ac000 DMAR:[fault reason 23] Unknown [ 200.790271] DMAR: DRHD: handling fault status reg 3 [ 200.790275] DMAR: DMAR:[DMA Write] Request device [00:02.0] fault addr fe3ac000 DMAR:[fault reason 23] Unknown [ 940.908845] DMAR: DRHD: handling fault status reg 3 [ 940.908850] DMAR: DMAR:[DMA Write] Request device [00:02.0] fault addr fdd43000 DMAR:[fault reason 23] Unknown [ 946.670387] [drm] stuck on render ring [ 946.670588] [drm] GPU HANG: ecode 8:0:0x85dffffb, in X [4766], reason: Ring hung, action: reset [ 946.670590] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace. [ 946.670590] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel [ 946.670591] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue. [ 946.670591] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it. [ 946.670592] [drm] GPU crash dump saved to /sys/class/drm/card0/error [ 946.670641] ------------[ cut here ]------------ [ 946.670646] WARNING: CPU: 0 PID: 4722 at drivers/gpu/drm/i915/intel_display.c:11438 intel_mmio_flip_work_func+0x41a/0x440() [ 946.670647] WARN_ON(__i915_wait_request(mmio_flip->req, mmio_flip->crtc->reset_counter, false, NULL, &mmio_flip->i915->rps.mmioflips)) [ 946.670647] Modules linked in: [ 946.670648] ccm iTCO_wdt iTCO_vendor_support dell_wmi x86_pkg_temp_thermal kvm_intel kvm iwlmvm irqbypass mac80211 psmouse btusb iwlwifi btrtl btintel bluetooth cfg80211 lpc_ich sdhci_pci mei_me e1000e rfkill mei wmi sdhci_acpi int3403_thermal sdhci mmc_core int3402_thermal processor_thermal_device intel_soc_dts_iosf iosf_mbi int340x_thermal_zone int3400_thermal acpi_thermal_rel tpm_tis tpm nls_iso8859_15 nls_cp850 sch_fq_codel ip_tables ipv6 xfs nfs lockd grace sunrpc ext2 sg [ 946.670665] CPU: 0 PID: 4722 Comm: kworker/0:1 Not tainted 4.5.0-gentoo-r1 #2 [ 946.670666] Hardware name: Dell Inc. Latitude E7250/0TVD2T, BIOS A11 03/15/2016 [ 946.670667] Workqueue: events intel_mmio_flip_work_func [ 946.670668] ffff8800da1b7d68 0000000098e19943 ffff8800da1b7d20 ffffffff812cab9c [ 946.670670] ffff8800da1b7d58 ffffffff81079fbb ffff88040b25c8c0 ffff880409428480 [ 946.670671] ffff8800da14a000 ffff88041e7cfd00 0000000000000000 ffff8800da1b7dc0 [ 946.670672] Call Trace: [ 946.670675] [] dump_stack+0x19/0x1d [ 946.670677] [] warn_slowpath_common+0x7b/0xb0 [ 946.670679] [] warn_slowpath_fmt+0x57/0x70 [ 946.670680] [] intel_mmio_flip_work_func+0x41a/0x440 [ 946.670682] [] process_one_work+0x124/0x3a0 [ 946.670683] [] worker_thread+0x58/0x460 [ 946.670685] [] ? rescuer_thread+0x2e0/0x2e0 [ 946.670686] [] ? rescuer_thread+0x2e0/0x2e0 [ 946.670687] [] kthread+0xd2/0xf0 [ 946.670689] [] ? kthread_create_on_node+0x170/0x170 [ 946.670691] [] ret_from_fork+0x3f/0x70 [ 946.670692] [] ? kthread_create_on_node+0x170/0x170 [ 946.670693] ---[ end trace 68769bb6f81da2ef ]--- [ 946.672646] drm/i915: Resetting chip after gpu hang