May 05 16:22:33 vasilykh-thinkpad-x1 kernel: BUG: unable to handle kernel NULL pointer dereference at 0000000000000030
May 05 16:22:33 vasilykh-thinkpad-x1 kernel: IP: [<ffffffffa0500bb7>] i915_gem_object_put_pages+0xd7/0x110 [i915]
May 05 16:22:33 vasilykh-thinkpad-x1 kernel: PGD 9c4e1067 PUD 9c512067 PMD 0 
May 05 16:22:33 vasilykh-thinkpad-x1 kernel: Oops: 0000 [#1] PREEMPT SMP 
May 05 16:22:33 vasilykh-thinkpad-x1 kernel: Modules linked in: msr cpufreq_stats sha256_ssse3 sha256_generic hmac drbg ansi_cprng ctr ccm fuse cmac ecb rfcomm bnep uvcvideo videobuf2_vmallo
May 05 16:22:33 vasilykh-thinkpad-x1 kernel:  serio_raw snd_hda_intel drm_kms_helper i2c_i801 intel_pch_thermal snd_hda_codec shpchp lpc_ich snd_hda_core thinkpad_acpi drm snd_hwdep e1000e i
May 05 16:22:33 vasilykh-thinkpad-x1 kernel: CPU: 0 PID: 47 Comm: kswapd0 Tainted: G     U          4.6.0-rc6-g33656a1 #1
May 05 16:22:33 vasilykh-thinkpad-x1 kernel: Hardware name: LENOVO 20BS0032US/20BS0032US, BIOS N14ET32W (1.10 ) 08/13/2015
May 05 16:22:33 vasilykh-thinkpad-x1 kernel: task: ffff880223ce9c80 ti: ffff880223150000 task.ti: ffff880223150000
May 05 16:22:33 vasilykh-thinkpad-x1 kernel: RIP: 0010:[<ffffffffa0500bb7>]  [<ffffffffa0500bb7>] i915_gem_object_put_pages+0xd7/0x110 [i915]
May 05 16:22:33 vasilykh-thinkpad-x1 kernel: RSP: 0018:ffff880223153b60  EFLAGS: 00010246
May 05 16:22:33 vasilykh-thinkpad-x1 kernel: RAX: 0000000000000000 RBX: ffff8801f3765f80 RCX: 00000001810000dc
May 05 16:22:33 vasilykh-thinkpad-x1 kernel: RDX: ffffffffffffffff RSI: 0000000000000000 RDI: ffff880225003b80
May 05 16:22:33 vasilykh-thinkpad-x1 kernel: RBP: ffff880223153b70 R08: 0000000000000001 R09: 0000000000000000
May 05 16:22:33 vasilykh-thinkpad-x1 kernel: R10: ffff8801cd26a900 R11: 0000000000000220 R12: 0000000000000000
May 05 16:22:33 vasilykh-thinkpad-x1 kernel: R13: ffff880223153bb0 R14: ffff880223153bd0 R15: ffff8801f3765f80
May 05 16:22:33 vasilykh-thinkpad-x1 kernel: FS:  0000000000000000(0000) GS:ffff88022dc00000(0000) knlGS:0000000000000000
May 05 16:22:33 vasilykh-thinkpad-x1 kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
May 05 16:22:33 vasilykh-thinkpad-x1 kernel: CR2: 0000000000000030 CR3: 00000000c9b3f000 CR4: 00000000003406f0
May 05 16:22:33 vasilykh-thinkpad-x1 kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
May 05 16:22:33 vasilykh-thinkpad-x1 kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
May 05 16:22:33 vasilykh-thinkpad-x1 kernel: Stack:
May 05 16:22:33 vasilykh-thinkpad-x1 kernel:  ffff8801f3765f80 ffff8801f3766058 ffff880223153c30 ffffffffa0509111
May 05 16:22:33 vasilykh-thinkpad-x1 kernel:  0000000000000003 ffff88021fc60000 00000006b05131d0 0000000000000000
May 05 16:22:33 vasilykh-thinkpad-x1 kernel:  0000000000000080 000000000000006a ffff8800c4b4c318 ffff88009ad024d8
May 05 16:22:33 vasilykh-thinkpad-x1 kernel: Call Trace:
May 05 16:22:33 vasilykh-thinkpad-x1 kernel:  [<ffffffffa0509111>] i915_gem_shrink+0x1d1/0x360 [i915]
May 05 16:22:33 vasilykh-thinkpad-x1 kernel:  [<ffffffffa050934b>] i915_gem_shrinker_scan+0xab/0xc0 [i915]
May 05 16:22:33 vasilykh-thinkpad-x1 kernel:  [<ffffffff811841af>] shrink_slab.part.14+0x1df/0x410
May 05 16:22:33 vasilykh-thinkpad-x1 kernel:  [<ffffffff81187873>] shrink_zone+0x2e3/0x2f0
May 05 16:22:33 vasilykh-thinkpad-x1 kernel:  [<ffffffff81188936>] kswapd+0x4c6/0x8a0
May 05 16:22:33 vasilykh-thinkpad-x1 kernel:  [<ffffffff81188470>] ? mem_cgroup_shrink_node_zone+0x1b0/0x1b0
May 05 16:22:33 vasilykh-thinkpad-x1 kernel:  [<ffffffff810995d8>] kthread+0xd8/0xf0
May 05 16:22:33 vasilykh-thinkpad-x1 kernel:  [<ffffffff815c6f82>] ret_from_fork+0x22/0x40
May 05 16:22:33 vasilykh-thinkpad-x1 kernel:  [<ffffffff81099500>] ? kthread_worker_fn+0x180/0x180
May 05 16:22:33 vasilykh-thinkpad-x1 kernel: Code: 01 00 00 00 00 00 00 c0 e8 04 83 e0 03 3c 01 74 2b 3c 02 74 1f 48 8b 43 10 48 85 c0 74 2e 48 8b 40 20 48 c7 c2 ff ff ff ff 31 f6 <48> 8b 78
May 05 16:22:33 vasilykh-thinkpad-x1 kernel: RIP  [<ffffffffa0500bb7>] i915_gem_object_put_pages+0xd7/0x110 [i915]
May 05 16:22:33 vasilykh-thinkpad-x1 kernel:  RSP <ffff880223153b60>
May 05 16:22:33 vasilykh-thinkpad-x1 kernel: CR2: 0000000000000030
May 05 16:22:33 vasilykh-thinkpad-x1 kernel: ---[ end trace 9e8cd1d12f55c7c0 ]---