[ 6132.006495] WARNING: CPU: 1 PID: 2542 at drivers/gpu/drm/i915/intel_display.c:3291 intel_crtc_wait_for_pending_flips+0x16c/0x200 [i915]() [ 6132.006502] WARN_ON(ret) [ 6132.006506] Modules linked in: [ 6132.006512] fuse sha256_generic hmac drbg ansi_cprng ctr ccm uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev media joydev mousedev arc4 iTCO_wdt iTCO_vendor_support sparse_keymap i915 ath5k ath acerhdf pcspkr mac80211 snd_hda_codec_realtek snd_hda_codec_generic coretemp evdev input_leds psmouse mac_hid serio_raw snd_hda_intel cfg80211 snd_hda_codec lpc_ich rfkill drm_kms_helper nf_log_ipv6 rng_core i2c_i801 jmb38x_ms snd_hda_core xt_hl ip6t_rt memstick snd_hwdep drm snd_pcm nf_conntrack_ipv6 nf_defrag_ipv6 intel_agp intel_gtt snd_timer agpgart snd r8169 soundcore mii i2c_algo_bit ipt_REJECT nf_reject_ipv4 battery shpchp nf_log_ipv4 nf_log_common xt_LOG wmi video ac button acpi_cpufreq processor xt_limit xt_tcpudp xt_addrtype nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack [ 6132.006671] ip6table_filter ip6_tables nf_conntrack_netbios_ns nf_conntrack_broadcast nf_nat_ftp nf_nat nf_conntrack_ftp nf_conntrack iptable_filter sch_fq_codel ip_tables x_tables ext4 crc16 mbcache jbd2 sd_mod ata_generic pata_acpi atkbd libps2 ata_piix libata scsi_mod ehci_pci uhci_hcd ehci_hcd usbcore sdhci_pci usb_common sdhci led_class mmc_core i8042 serio [ 6132.006752] CPU: 1 PID: 2542 Comm: kworker/u4:1 Not tainted 4.2.5-1-ARCH #1 [ 6132.006760] Hardware name: Acer AOA150/ , BIOS v0.3305 05/09/2008 [ 6132.006814] Workqueue: i915-hangcheck i915_hangcheck_elapsed [i915] [ 6132.006823] c1631967 e07e6400 00000000 de2dbd50 c14c8e8d de2dbd90 de2dbd80 c1058457 [ 6132.006841] f936075a de2dbdb0 000009ee f936bb28 00000cdb f9307b1c f9307b1c f5fe8000 [ 6132.006859] f1ed0834 00000001 de2dbd9c c10584ce 00000009 de2dbd90 f936075a de2dbdb0 [ 6132.006877] Call Trace: [ 6132.006896] [] dump_stack+0x48/0x69 [ 6132.006909] [] warn_slowpath_common+0x87/0xc0 [ 6132.006966] [] ? intel_crtc_wait_for_pending_flips+0x16c/0x200 [i915] [ 6132.007021] [] ? intel_crtc_wait_for_pending_flips+0x16c/0x200 [i915] [ 6132.007034] [] warn_slowpath_fmt+0x3e/0x60 [ 6132.007090] [] intel_crtc_wait_for_pending_flips+0x16c/0x200 [i915] [ 6132.007118] [] ? drm_modeset_lock_all_crtcs+0x84/0x90 [drm] [ 6132.007172] [] intel_crtc_disable_planes+0x34/0xf0 [i915] [ 6132.007226] [] intel_prepare_reset+0x6a/0x80 [i915] [ 6132.007277] [] i915_handle_error+0x147/0x6e0 [i915] [ 6132.007294] [] ? vprintk_default+0x37/0x40 [ 6132.007344] [] i915_hangcheck_elapsed+0x233/0x410 [i915] [ 6132.007358] [] process_one_work+0x11a/0x3f0 [ 6132.007368] [] worker_thread+0x37/0x470 [ 6132.007378] [] ? process_one_work+0x3f0/0x3f0 [ 6132.007389] [] kthread+0xa6/0xc0 [ 6132.007400] [] ? finish_task_switch+0x55/0x190 [ 6132.007413] [] ret_from_kernel_thread+0x21/0x30 [ 6132.007423] [] ? kthread_worker_fn+0x140/0x140 [ 6132.007433] ---[ end trace e1e7658a4395fc8b ]--- [ 6132.282072] drm/i915: Resetting chip after gpu hang