[ 177.365718] [drm:i915_gem_open], [ 177.366115] [drm:gen6_ppgtt_init], Allocated pde space (2M) at GTT entry: 2c00 [ 177.374328] [drm:i915_gem_open], [ 177.374701] [drm:gen6_ppgtt_init], Allocated pde space (2M) at GTT entry: 2e00 [ 177.378806] [drm:gen6_ppgtt_init], Allocated pde space (2M) at GTT entry: 3210 [ 177.378809] [drm:i915_gem_context_create_ioctl], HW context 1 created [ 177.385524] [drm:i915_gem_context_destroy_ioctl], HW context 1 destroyed [ 177.387088] [drm:gen6_ppgtt_init], Allocated pde space (2M) at GTT entry: 3210 [ 177.387091] [drm:i915_gem_context_create_ioctl], HW context 1 created [ 242.554007] [drm:i915_gem_context_destroy_ioctl], HW context 1 destroyed [ 242.871662] BUG: unable to handle kernel NULL pointer dereference at 0000000000000008 [ 242.871696] IP: [] i915_gem_gtt_finish_object+0x68/0xbd [i915] [ 242.871731] PGD 41846c067 PUD 4191aa067 PMD 0 [ 242.871750] Oops: 0000 [#1] SMP [ 242.871765] Modules linked in: bnep bluetooth rfkill ip6table_filter ip6_tables ipv6 iptable _filter ip_tables ebtable_nat ebtables x_tables dm_mod iTCO_wdt iTCO_vendor_support snd_hda_cod ec_hdmi snd_hda_codec_realtek serio_raw pcspkr i2c_i801 lpc_ich mfd_core firewire_ohci firewire _core crc_itu_t snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soun dcore wmi acpi_cpufreq i915 video button drm_kms_helper drm [ 242.871934] CPU: 0 PID: 4748 Comm: GpuTest Not tainted 3.13.0-rc4_drm-intel-nightly_074fdf_2 0131219+ #3871 [ 242.871967] Hardware name: /DZ77GA-70K, BIOS GAZ7711H.86A.0049.2012.0713.15 18 07/13/2012 [ 242.871999] task: ffff88041cec1b80 ti: ffff88041a906000 task.ti: ffff88041a906000 [ 242.872025] RIP: 0010:[] [] i915_gem_gtt_finish_object+ 0x68/0xbd [i915] [ 242.872063] RSP: 0018:ffff88041a907d88 EFLAGS: 00010246 [ 242.872081] RAX: 0000000000000000 RBX: ffff88041797c000 RCX: ffff88041bd5f000 [ 242.872105] RDX: 0000000000000009 RSI: 0000000000000009 RDI: ffff8804179e3800 [ 242.872129] RBP: ffff8804179e3800 R08: 0000160000000000 R09: ffff880000000000 [ 242.872153] R10: 0000000000000008 R11: ffffffffa006c4b8 R12: ffff8804183e9000 [ 242.872177] R13: ffff8800bed72c01 R14: ffff8804187762a0 R15: ffff8804183f5f18 [ 242.872201] FS: 00007fe1cb30c700(0000) GS:ffff88042f200000(0000) knlGS:0000000000000000 [ 242.872228] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 242.872248] CR2: 0000000000000008 CR3: 00000004184fb000 CR4: 00000000001407f0 [ 242.872271] Stack: [ 242.872279] 00000000c6ad0005 ffff8804179e3800 ffff88041bdcaa80 ffff88041797c000 [ 242.872308] ffff8800bed72c10 ffffffffa006e6f7 0000000000000002 ffff880400000000 [ 242.872336] ffff88041915daf0 ffff88041bdcacc0 ffff8804183e9020 ffffffffa0072832 [ 242.872364] Call Trace: [ 242.872380] [] ? i915_vma_unbind+0x8e/0x176 [i915] [ 242.872406] [] ? i915_gem_evict_vm+0x51/0x80 [i915] [ 242.872432] [] ? i915_gem_context_free+0xcf/0x14c [i915] [ 242.872460] [] ? i915_gem_context_close+0x7b/0x7d [i915] [ 242.872487] [] ? i915_driver_preclose+0x21/0x38 [i915] [ 242.872513] [] ? drm_release+0x69/0x4ff [drm] [ 242.872536] [] ? remove_vma+0x5b/0x62 [ 242.872555] [] ? __fput+0xdb/0x1cc [ 242.872574] [] ? task_work_run+0x73/0x87 [ 242.872594] [] ? do_notify_resume+0x53/0x68 [ 242.872615] [] ? int_signal+0x12/0x17 [ 242.872633] Code: 33 0c a0 48 c7 c6 91 14 0d a0 31 c0 e8 d6 ff f8 ff bf c6 a7 00 00 e8 cc c7 25 e1 f6 85 0b 01 00 00 01 75 44 48 8b 85 10 01 00 00 <8b> 50 08 48 8b 30 49 8b 84 24 90 01 00 00 48 89 c7 48 81 c7 98 [ 242.872760] RIP [] i915_gem_gtt_finish_object+0x68/0xbd [i915] [ 242.872790] RSP [ 242.872803] CR2: 0000000000000008 [ 242.881321] ---[ end trace e35947db3cb2a0a9 ]---