[Thu Dec 13 00:34:46 2018] BUG: unable to handle kernel NULL pointer dereference at 0000000000000018
[Thu Dec 13 00:34:46 2018] PGD 0 P4D 0
[Thu Dec 13 00:34:46 2018] Oops: 0002 [#1] PREEMPT SMP NOPTI
[Thu Dec 13 00:34:46 2018] CPU: 3 PID: 545 Comm: Xorg Tainted: G        W         4.19.8-arch1-1-ARCH #1
[Thu Dec 13 00:34:46 2018] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z370 Gaming-ITX/ac, BIOS P3.10 07/06/2018
[Thu Dec 13 00:34:46 2018] RIP: 0010:ttm_tt_unpopulate+0x22/0x60 [ttm]
[Thu Dec 13 00:34:46 2018] Code: 84 00 00 00 00 00 66 90 0f 1f 44 00 00 83 7f 3c 02 74 4a f6 47 19 01 75 2f 48 83 7f 20 00 74 28 48 8b 57 10 31 c0 48 8b 0c c2 <48> c7 41 18 00 00 00 00 48 8b 0c c2 48 83 c0 01 48 c7 41 20 00 00
[Thu Dec 13 00:34:46 2018] RSP: 0018:ffff93f782b2bc38 EFLAGS: 00010246
[Thu Dec 13 00:34:46 2018] RAX: 0000000000000000 RBX: ffff8f52e8944300 RCX: 0000000000000000
[Thu Dec 13 00:34:46 2018] RDX: ffff8f53cfc1c000 RSI: 7fffffffffffffff RDI: ffff8f52e8944300
[Thu Dec 13 00:34:46 2018] RBP: ffff8f53dc972810 R08: 0000000000000001 R09: ffff8f538f55c9a1
[Thu Dec 13 00:34:46 2018] R10: 0000000000000000 R11: ffff8f53b3a52ae0 R12: ffff8f53b3a5287c
[Thu Dec 13 00:34:46 2018] R13: ffff8f53de4f1f70 R14: 000000000000001b R15: ffff8f53e0e82200
[Thu Dec 13 00:34:46 2018] FS:  00007f4094984dc0(0000) GS:ffff8f53e62c0000(0000) knlGS:0000000000000000
[Thu Dec 13 00:34:46 2018] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[Thu Dec 13 00:34:46 2018] CR2: 0000000000000018 CR3: 000000045bb36005 CR4: 00000000003606e0
[Thu Dec 13 00:34:46 2018] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[Thu Dec 13 00:34:46 2018] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[Thu Dec 13 00:34:46 2018] Call Trace:
[Thu Dec 13 00:34:46 2018]  ttm_tt_destroy.part.6+0x49/0x50 [ttm]
[Thu Dec 13 00:34:46 2018]  ttm_bo_cleanup_memtype_use+0x2e/0x70 [ttm]
[Thu Dec 13 00:34:46 2018]  ttm_bo_put+0x22a/0x280 [ttm]
[Thu Dec 13 00:34:46 2018]  amdgpu_bo_unref+0x1a/0x30 [amdgpu]
[Thu Dec 13 00:34:46 2018]  amdgpu_gem_object_free+0x33/0x50 [amdgpu]
[Thu Dec 13 00:34:46 2018]  drm_gem_object_release_handle+0x51/0x90 [drm]
[Thu Dec 13 00:34:46 2018]  drm_gem_handle_delete+0x5e/0x90 [drm]
[Thu Dec 13 00:34:46 2018]  ? drm_gem_handle_create+0x40/0x40 [drm]
[Thu Dec 13 00:34:46 2018]  drm_ioctl_kernel+0xa7/0xf0 [drm]
[Thu Dec 13 00:34:46 2018]  drm_ioctl+0x30e/0x3c0 [drm]
[Thu Dec 13 00:34:46 2018]  ? drm_gem_handle_create+0x40/0x40 [drm]
[Thu Dec 13 00:34:46 2018]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
[Thu Dec 13 00:34:46 2018]  do_vfs_ioctl+0xa4/0x630
[Thu Dec 13 00:34:46 2018]  ? do_munmap+0x307/0x3d0
[Thu Dec 13 00:34:46 2018]  ksys_ioctl+0x60/0x90
[Thu Dec 13 00:34:46 2018]  __x64_sys_ioctl+0x16/0x20
[Thu Dec 13 00:34:46 2018]  do_syscall_64+0x5b/0x170
[Thu Dec 13 00:34:46 2018]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[Thu Dec 13 00:34:46 2018] RIP: 0033:0x7f40971a780b
[Thu Dec 13 00:34:46 2018] Code: 0f 1e fa 48 8b 05 55 b6 0c 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 25 b6 0c 00 f7 d8 64 89 01 48
[Thu Dec 13 00:34:46 2018] RSP: 002b:00007ffc4daf4828 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[Thu Dec 13 00:34:46 2018] RAX: ffffffffffffffda RBX: 000056435a369030 RCX: 00007f40971a780b
[Thu Dec 13 00:34:46 2018] RDX: 00007ffc4daf4860 RSI: 0000000040086409 RDI: 000000000000000d
[Thu Dec 13 00:34:46 2018] RBP: 00007ffc4daf4860 R08: 0000564359e33cd8 R09: 0000000000000003
[Thu Dec 13 00:34:46 2018] R10: 0000564359dfd010 R11: 0000000000000246 R12: 0000000040086409
[Thu Dec 13 00:34:46 2018] R13: 000000000000000d R14: 0000564359e89140 R15: 0000564359e89140
[Thu Dec 13 00:34:46 2018] Modules linked in: xt_conntrack nf_conntrack msr intel_rapl nf_defrag_ipv6 nf_defrag_ipv4 nct6775 x86_pkg_temp_thermal intel_powerclamp hwmon_vid iptable_filter coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul gspca_sn9c2028 gspca_main ghash_clmulni_intel pcbc videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_hda_codec_hdmi videobuf2_common videodev snd_hda_intel mousedev joydev snd_hda_codec input_leds aesni_intel media aes_x86_64 crypto_simd cryptd snd_hda_core btusb glue_helper intel_cstate mei_me intel_uncore snd_hwdep iTCO_wdt btrtl btbcm btintel intel_rapl_perf iTCO_vendor_support intel_wmi_thunderbolt bluetooth snd_pcm mei i2c_i801 ecdh_generic rfkill wmi crc16 evdev pcc_cpufreq mac_hid usbip_host usbip_core uinput snd_seq_dummy snd_seq_oss snd_seq_midi_event
[Thu Dec 13 00:34:46 2018]  snd_seq nls_iso8859_1 nls_cp437 snd_seq_device snd_timer snd soundcore cuse fuse sg bonding crypto_user ip_tables x_tables hid_generic usbhid hid btrfs libcrc32c crc32c_generic xor sd_mod amdgpu chash i2c_algo_bit gpu_sched drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm ahci libahci drm libata xhci_pci e1000e crc32c_intel scsi_mod xhci_hcd agpgart raid6_pq vfat fat
[Thu Dec 13 00:34:46 2018] CR2: 0000000000000018
[Thu Dec 13 00:34:46 2018] ---[ end trace 4632c1329f4aa818 ]---
[Thu Dec 13 00:34:46 2018] RIP: 0010:ttm_tt_unpopulate+0x22/0x60 [ttm]
[Thu Dec 13 00:34:46 2018] Code: 84 00 00 00 00 00 66 90 0f 1f 44 00 00 83 7f 3c 02 74 4a f6 47 19 01 75 2f 48 83 7f 20 00 74 28 48 8b 57 10 31 c0 48 8b 0c c2 <48> c7 41 18 00 00 00 00 48 8b 0c c2 48 83 c0 01 48 c7 41 20 00 00
[Thu Dec 13 00:34:46 2018] RSP: 0018:ffff93f782b2bc38 EFLAGS: 00010246
[Thu Dec 13 00:34:46 2018] RAX: 0000000000000000 RBX: ffff8f52e8944300 RCX: 0000000000000000
[Thu Dec 13 00:34:46 2018] RDX: ffff8f53cfc1c000 RSI: 7fffffffffffffff RDI: ffff8f52e8944300
[Thu Dec 13 00:34:46 2018] RBP: ffff8f53dc972810 R08: 0000000000000001 R09: ffff8f538f55c9a1
[Thu Dec 13 00:34:46 2018] R10: 0000000000000000 R11: ffff8f53b3a52ae0 R12: ffff8f53b3a5287c
[Thu Dec 13 00:34:46 2018] R13: ffff8f53de4f1f70 R14: 000000000000001b R15: ffff8f53e0e82200
[Thu Dec 13 00:34:46 2018] FS:  00007f4094984dc0(0000) GS:ffff8f53e62c0000(0000) knlGS:0000000000000000
[Thu Dec 13 00:34:46 2018] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[Thu Dec 13 00:34:46 2018] CR2: 0000000000000018 CR3: 000000045bb36005 CR4: 00000000003606e0
[Thu Dec 13 00:34:46 2018] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[Thu Dec 13 00:34:46 2018] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[Thu Dec 13 00:36:53 2018] BUG: Bad page state in process pulseaudio  pfn:44fc01
[Thu Dec 13 00:36:53 2018] page:ffffdd16113f0040 count:0 mapcount:-1 mapping:0000000000000000 index:0x0
[Thu Dec 13 00:36:53 2018] flags: 0x2ffff0000000000()
[Thu Dec 13 00:36:53 2018] raw: 02ffff0000000000 0000000000000000 fffffffe113f0201 0000000000000000
[Thu Dec 13 00:36:53 2018] raw: 0000000000000000 0000000000000000 00000000fffffffe 0000000000000000
[Thu Dec 13 00:36:53 2018] page dumped because: nonzero mapcount
[Thu Dec 13 00:36:53 2018] Modules linked in: xt_conntrack nf_conntrack msr intel_rapl nf_defrag_ipv6 nf_defrag_ipv4 nct6775 x86_pkg_temp_thermal intel_powerclamp hwmon_vid iptable_filter coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul gspca_sn9c2028 gspca_main ghash_clmulni_intel pcbc videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_hda_codec_hdmi videobuf2_common videodev snd_hda_intel mousedev joydev snd_hda_codec input_leds aesni_intel media aes_x86_64 crypto_simd cryptd snd_hda_core btusb glue_helper intel_cstate mei_me intel_uncore snd_hwdep iTCO_wdt btrtl btbcm btintel intel_rapl_perf iTCO_vendor_support intel_wmi_thunderbolt bluetooth snd_pcm mei i2c_i801 ecdh_generic rfkill wmi crc16 evdev pcc_cpufreq mac_hid usbip_host usbip_core uinput snd_seq_dummy snd_seq_oss snd_seq_midi_event
[Thu Dec 13 00:36:53 2018]  snd_seq nls_iso8859_1 nls_cp437 snd_seq_device snd_timer snd soundcore cuse fuse sg bonding crypto_user ip_tables x_tables hid_generic usbhid hid btrfs libcrc32c crc32c_generic xor sd_mod amdgpu chash i2c_algo_bit gpu_sched drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm ahci libahci drm libata xhci_pci e1000e crc32c_intel scsi_mod xhci_hcd agpgart raid6_pq vfat fat
[Thu Dec 13 00:36:53 2018] CPU: 11 PID: 1937 Comm: pulseaudio Tainted: G      D W         4.19.8-arch1-1-ARCH #1
[Thu Dec 13 00:36:53 2018] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z370 Gaming-ITX/ac, BIOS P3.10 07/06/2018
[Thu Dec 13 00:36:53 2018] Call Trace:
[Thu Dec 13 00:36:53 2018]  dump_stack+0x5c/0x80
[Thu Dec 13 00:36:53 2018]  bad_page.cold.29+0x7f/0xb2
[Thu Dec 13 00:36:53 2018]  __free_pages_ok+0x2be/0x2d0
[Thu Dec 13 00:36:53 2018]  release_pages+0x16c/0x400
[Thu Dec 13 00:36:53 2018]  tlb_flush_mmu_free+0x36/0x50
[Thu Dec 13 00:36:53 2018]  arch_tlb_finish_mmu+0x3a/0x60
[Thu Dec 13 00:36:53 2018]  tlb_finish_mmu+0x1f/0x30
[Thu Dec 13 00:36:53 2018]  unmap_region+0xdd/0x110
[Thu Dec 13 00:36:53 2018]  ? __snd_pcm_stream_unlock_mode+0x3c/0x80 [snd_pcm]
[Thu Dec 13 00:36:53 2018]  ? snd_pcm_common_ioctl+0x549/0xa20 [snd_pcm]
[Thu Dec 13 00:36:53 2018]  ? vma_gap_callbacks_rotate+0x1a/0x20
[Thu Dec 13 00:36:53 2018]  do_munmap+0x261/0x3d0
[Thu Dec 13 00:36:53 2018]  vm_munmap+0x5f/0xa0
[Thu Dec 13 00:36:53 2018]  __x64_sys_munmap+0x22/0x30
[Thu Dec 13 00:36:53 2018]  do_syscall_64+0x5b/0x170
[Thu Dec 13 00:36:53 2018]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[Thu Dec 13 00:36:53 2018] RIP: 0033:0x7f8f72cd276b
[Thu Dec 13 00:36:53 2018] Code: ff ff 0f 1f 44 00 00 48 8b 15 f1 76 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff e9 6f ff ff ff f3 0f 1e fa b8 0b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 76 0c 00 f7 d8 64 89 01 48
[Thu Dec 13 00:36:53 2018] RSP: 002b:00007ffd272c3958 EFLAGS: 00000246 ORIG_RAX: 000000000000000b
[Thu Dec 13 00:36:53 2018] RAX: ffffffffffffffda RBX: 000056007cc306a0 RCX: 00007f8f72cd276b
[Thu Dec 13 00:36:53 2018] RDX: 0000000000000001 RSI: 0000000000400000 RDI: 00007f8f67c00000
[Thu Dec 13 00:36:53 2018] RBP: 000056007cc33dc0 R08: 000000000001ffff R09: 0000000000000020
[Thu Dec 13 00:36:53 2018] R10: 000056007cc306a0 R11: 0000000000000246 R12: 0000000000000001
[Thu Dec 13 00:36:53 2018] R13: 00007ffd272c3a54 R14: 000056007cc07bd0 R15: 0000000000000014
[Thu Dec 13 00:36:53 2018] BUG: Bad page state in process pulseaudio  pfn:44fc02
[Thu Dec 13 00:36:53 2018] page:ffffdd16113f0080 count:0 mapcount:-1 mapping:0000000000000000 index:0x0
[Thu Dec 13 00:36:53 2018] flags: 0x2ffff0000000000()
[Thu Dec 13 00:36:53 2018] raw: 02ffff0000000000 0000000000000000 ffffdd16113f0088 0000000000000000
[Thu Dec 13 00:36:53 2018] raw: 0000000000000000 0000000000000000 00000000fffffffe 0000000000000000
[Thu Dec 13 00:36:53 2018] page dumped because: nonzero mapcount
[Thu Dec 13 00:36:53 2018] Modules linked in: xt_conntrack nf_conntrack msr intel_rapl nf_defrag_ipv6 nf_defrag_ipv4 nct6775 x86_pkg_temp_thermal intel_powerclamp hwmon_vid iptable_filter coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul gspca_sn9c2028 gspca_main ghash_clmulni_intel pcbc videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_hda_codec_hdmi videobuf2_common videodev snd_hda_intel mousedev joydev snd_hda_codec input_leds aesni_intel media aes_x86_64 crypto_simd cryptd snd_hda_core btusb glue_helper intel_cstate mei_me intel_uncore snd_hwdep iTCO_wdt btrtl btbcm btintel intel_rapl_perf iTCO_vendor_support intel_wmi_thunderbolt bluetooth snd_pcm mei i2c_i801 ecdh_generic rfkill wmi crc16 evdev pcc_cpufreq mac_hid usbip_host usbip_core uinput snd_seq_dummy snd_seq_oss snd_seq_midi_event
[Thu Dec 13 00:36:53 2018]  snd_seq nls_iso8859_1 nls_cp437 snd_seq_device snd_timer snd soundcore cuse fuse sg bonding crypto_user ip_tables x_tables hid_generic usbhid hid btrfs libcrc32c crc32c_generic xor sd_mod amdgpu chash i2c_algo_bit gpu_sched drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm ahci libahci drm libata xhci_pci e1000e crc32c_intel scsi_mod xhci_hcd agpgart raid6_pq vfat fat
[Thu Dec 13 00:36:53 2018] CPU: 11 PID: 1937 Comm: pulseaudio Tainted: G    B D W         4.19.8-arch1-1-ARCH #1
[Thu Dec 13 00:36:53 2018] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z370 Gaming-ITX/ac, BIOS P3.10 07/06/2018
[Thu Dec 13 00:36:53 2018] Call Trace:
[Thu Dec 13 00:36:53 2018]  dump_stack+0x5c/0x80
[Thu Dec 13 00:36:53 2018]  bad_page.cold.29+0x7f/0xb2
[Thu Dec 13 00:36:53 2018]  __free_pages_ok+0x2be/0x2d0
[Thu Dec 13 00:36:53 2018]  release_pages+0x16c/0x400
[Thu Dec 13 00:36:53 2018]  tlb_flush_mmu_free+0x36/0x50
[Thu Dec 13 00:36:53 2018]  arch_tlb_finish_mmu+0x3a/0x60
[Thu Dec 13 00:36:53 2018]  tlb_finish_mmu+0x1f/0x30
[Thu Dec 13 00:36:53 2018]  unmap_region+0xdd/0x110
[Thu Dec 13 00:36:53 2018]  ? __snd_pcm_stream_unlock_mode+0x3c/0x80 [snd_pcm]
[Thu Dec 13 00:36:53 2018]  ? snd_pcm_common_ioctl+0x549/0xa20 [snd_pcm]
[Thu Dec 13 00:36:53 2018]  ? vma_gap_callbacks_rotate+0x1a/0x20
[Thu Dec 13 00:36:53 2018]  do_munmap+0x261/0x3d0
[Thu Dec 13 00:36:53 2018]  vm_munmap+0x5f/0xa0
[Thu Dec 13 00:36:53 2018]  __x64_sys_munmap+0x22/0x30
[Thu Dec 13 00:36:53 2018]  do_syscall_64+0x5b/0x170
[Thu Dec 13 00:36:53 2018]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[Thu Dec 13 00:36:53 2018] RIP: 0033:0x7f8f72cd276b
[Thu Dec 13 00:36:53 2018] Code: ff ff 0f 1f 44 00 00 48 8b 15 f1 76 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff e9 6f ff ff ff f3 0f 1e fa b8 0b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 76 0c 00 f7 d8 64 89 01 48
[Thu Dec 13 00:36:53 2018] RSP: 002b:00007ffd272c3958 EFLAGS: 00000246 ORIG_RAX: 000000000000000b
[Thu Dec 13 00:36:53 2018] RAX: ffffffffffffffda RBX: 000056007cc306a0 RCX: 00007f8f72cd276b
[Thu Dec 13 00:36:53 2018] RDX: 0000000000000001 RSI: 0000000000400000 RDI: 00007f8f67c00000
[Thu Dec 13 00:36:53 2018] RBP: 000056007cc33dc0 R08: 000000000001ffff R09: 0000000000000020
[Thu Dec 13 00:36:53 2018] R10: 000056007cc306a0 R11: 0000000000000246 R12: 0000000000000001
[Thu Dec 13 00:36:53 2018] R13: 00007ffd272c3a54 R14: 000056007cc07bd0 R15: 0000000000000014
[Thu Dec 13 00:36:53 2018] BUG: Bad page state in process pulseaudio  pfn:44fc03
[Thu Dec 13 00:36:53 2018] page:ffffdd16113f00c0 count:0 mapcount:-1 mapping:0000000000000000 index:0x0
[Thu Dec 13 00:36:53 2018] flags: 0x2ffff0000000000()
[Thu Dec 13 00:36:53 2018] raw: 02ffff0000000000 0000000000000000 ffffdd16113f00c8 0000000000000000
[Thu Dec 13 00:36:53 2018] raw: 0000000000000000 0000000000000000 00000000fffffffe 0000000000000000
[Thu Dec 13 00:36:53 2018] page dumped because: nonzero mapcount
[Thu Dec 13 00:36:53 2018] Modules linked in: xt_conntrack nf_conntrack msr intel_rapl nf_defrag_ipv6 nf_defrag_ipv4 nct6775 x86_pkg_temp_thermal intel_powerclamp hwmon_vid iptable_filter coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul gspca_sn9c2028 gspca_main ghash_clmulni_intel pcbc videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_hda_codec_hdmi videobuf2_common videodev snd_hda_intel mousedev joydev snd_hda_codec input_leds aesni_intel media aes_x86_64 crypto_simd cryptd snd_hda_core btusb glue_helper intel_cstate mei_me intel_uncore snd_hwdep iTCO_wdt btrtl btbcm btintel intel_rapl_perf iTCO_vendor_support intel_wmi_thunderbolt bluetooth snd_pcm mei i2c_i801 ecdh_generic rfkill wmi crc16 evdev pcc_cpufreq mac_hid usbip_host usbip_core uinput snd_seq_dummy snd_seq_oss snd_seq_midi_event
[Thu Dec 13 00:36:53 2018]  snd_seq nls_iso8859_1 nls_cp437 snd_seq_device snd_timer snd soundcore cuse fuse sg bonding crypto_user ip_tables x_tables hid_generic usbhid hid btrfs libcrc32c crc32c_generic xor sd_mod amdgpu chash i2c_algo_bit gpu_sched drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm ahci libahci drm libata xhci_pci e1000e crc32c_intel scsi_mod xhci_hcd agpgart raid6_pq vfat fat
[Thu Dec 13 00:36:53 2018] CPU: 11 PID: 1937 Comm: pulseaudio Tainted: G    B D W         4.19.8-arch1-1-ARCH #1
[Thu Dec 13 00:36:53 2018] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z370 Gaming-ITX/ac, BIOS P3.10 07/06/2018
[Thu Dec 13 00:36:53 2018] Call Trace:
[Thu Dec 13 00:36:53 2018]  dump_stack+0x5c/0x80
[Thu Dec 13 00:36:53 2018]  bad_page.cold.29+0x7f/0xb2
[Thu Dec 13 00:36:53 2018]  __free_pages_ok+0x2be/0x2d0
[Thu Dec 13 00:36:53 2018]  release_pages+0x16c/0x400
[Thu Dec 13 00:36:53 2018]  tlb_flush_mmu_free+0x36/0x50
[Thu Dec 13 00:36:53 2018]  arch_tlb_finish_mmu+0x3a/0x60
[Thu Dec 13 00:36:53 2018]  tlb_finish_mmu+0x1f/0x30
[Thu Dec 13 00:36:53 2018]  unmap_region+0xdd/0x110
[Thu Dec 13 00:36:53 2018]  ? __snd_pcm_stream_unlock_mode+0x3c/0x80 [snd_pcm]
[Thu Dec 13 00:36:53 2018]  ? snd_pcm_common_ioctl+0x549/0xa20 [snd_pcm]
[Thu Dec 13 00:36:53 2018]  ? vma_gap_callbacks_rotate+0x1a/0x20
[Thu Dec 13 00:36:53 2018]  do_munmap+0x261/0x3d0
[Thu Dec 13 00:36:53 2018]  vm_munmap+0x5f/0xa0
[Thu Dec 13 00:36:53 2018]  __x64_sys_munmap+0x22/0x30
[Thu Dec 13 00:36:53 2018]  do_syscall_64+0x5b/0x170
[Thu Dec 13 00:36:53 2018]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[Thu Dec 13 00:36:53 2018] RIP: 0033:0x7f8f72cd276b
[Thu Dec 13 00:36:53 2018] Code: ff ff 0f 1f 44 00 00 48 8b 15 f1 76 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff e9 6f ff ff ff f3 0f 1e fa b8 0b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 76 0c 00 f7 d8 64 89 01 48
[Thu Dec 13 00:36:53 2018] RSP: 002b:00007ffd272c3958 EFLAGS: 00000246 ORIG_RAX: 000000000000000b
[Thu Dec 13 00:36:53 2018] RAX: ffffffffffffffda RBX: 000056007cc306a0 RCX: 00007f8f72cd276b
[Thu Dec 13 00:36:53 2018] RDX: 0000000000000001 RSI: 0000000000400000 RDI: 00007f8f67c00000
[Thu Dec 13 00:36:53 2018] RBP: 000056007cc33dc0 R08: 000000000001ffff R09: 0000000000000020
[Thu Dec 13 00:36:53 2018] R10: 000056007cc306a0 R11: 0000000000000246 R12: 0000000000000001
[Thu Dec 13 00:36:53 2018] R13: 00007ffd272c3a54 R14: 000056007cc07bd0 R15: 0000000000000014
[Thu Dec 13 00:36:53 2018] BUG: Bad page state in process pulseaudio  pfn:44fc00
[Thu Dec 13 00:36:53 2018] page:ffffdd16113f0000 count:0 mapcount:-1 mapping:0000000000000000 index:0x0 compound_mapcount: -1
[Thu Dec 13 00:36:53 2018] flags: 0x2ffff0000008000(head)
[Thu Dec 13 00:36:53 2018] raw: 02ffff0000008000 dead000000000100 dead000000000200 0000000000000000
[Thu Dec 13 00:36:53 2018] raw: 0000000000000000 0000000000000000 00000000fffffffe 0000000000000000
[Thu Dec 13 00:36:53 2018] page dumped because: nonzero mapcount
[Thu Dec 13 00:36:53 2018] Modules linked in: xt_conntrack nf_conntrack msr intel_rapl nf_defrag_ipv6 nf_defrag_ipv4 nct6775 x86_pkg_temp_thermal intel_powerclamp hwmon_vid iptable_filter coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul gspca_sn9c2028 gspca_main ghash_clmulni_intel pcbc videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_hda_codec_hdmi videobuf2_common videodev snd_hda_intel mousedev joydev snd_hda_codec input_leds aesni_intel media aes_x86_64 crypto_simd cryptd snd_hda_core btusb glue_helper intel_cstate mei_me intel_uncore snd_hwdep iTCO_wdt btrtl btbcm btintel intel_rapl_perf iTCO_vendor_support intel_wmi_thunderbolt bluetooth snd_pcm mei i2c_i801 ecdh_generic rfkill wmi crc16 evdev pcc_cpufreq mac_hid usbip_host usbip_core uinput snd_seq_dummy snd_seq_oss snd_seq_midi_event
[Thu Dec 13 00:36:53 2018]  snd_seq nls_iso8859_1 nls_cp437 snd_seq_device snd_timer snd soundcore cuse fuse sg bonding crypto_user ip_tables x_tables hid_generic usbhid hid btrfs libcrc32c crc32c_generic xor sd_mod amdgpu chash i2c_algo_bit gpu_sched drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm ahci libahci drm libata xhci_pci e1000e crc32c_intel scsi_mod xhci_hcd agpgart raid6_pq vfat fat
[Thu Dec 13 00:36:53 2018] CPU: 11 PID: 1937 Comm: pulseaudio Tainted: G    B D W         4.19.8-arch1-1-ARCH #1
[Thu Dec 13 00:36:53 2018] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z370 Gaming-ITX/ac, BIOS P3.10 07/06/2018
[Thu Dec 13 00:36:53 2018] Call Trace:
[Thu Dec 13 00:36:53 2018]  dump_stack+0x5c/0x80
[Thu Dec 13 00:36:53 2018]  bad_page.cold.29+0x7f/0xb2
[Thu Dec 13 00:36:53 2018]  __free_pages_ok+0x19b/0x2d0
[Thu Dec 13 00:36:53 2018]  release_pages+0x16c/0x400
[Thu Dec 13 00:36:53 2018]  tlb_flush_mmu_free+0x36/0x50
[Thu Dec 13 00:36:53 2018]  arch_tlb_finish_mmu+0x3a/0x60
[Thu Dec 13 00:36:53 2018]  tlb_finish_mmu+0x1f/0x30
[Thu Dec 13 00:36:53 2018]  unmap_region+0xdd/0x110
[Thu Dec 13 00:36:53 2018]  ? __snd_pcm_stream_unlock_mode+0x3c/0x80 [snd_pcm]
[Thu Dec 13 00:36:53 2018]  ? snd_pcm_common_ioctl+0x549/0xa20 [snd_pcm]
[Thu Dec 13 00:36:53 2018]  ? vma_gap_callbacks_rotate+0x1a/0x20
[Thu Dec 13 00:36:53 2018]  do_munmap+0x261/0x3d0
[Thu Dec 13 00:36:53 2018]  vm_munmap+0x5f/0xa0
[Thu Dec 13 00:36:53 2018]  __x64_sys_munmap+0x22/0x30
[Thu Dec 13 00:36:53 2018]  do_syscall_64+0x5b/0x170
[Thu Dec 13 00:36:53 2018]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[Thu Dec 13 00:36:53 2018] RIP: 0033:0x7f8f72cd276b
[Thu Dec 13 00:36:53 2018] Code: ff ff 0f 1f 44 00 00 48 8b 15 f1 76 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff e9 6f ff ff ff f3 0f 1e fa b8 0b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 76 0c 00 f7 d8 64 89 01 48
[Thu Dec 13 00:36:53 2018] RSP: 002b:00007ffd272c3958 EFLAGS: 00000246 ORIG_RAX: 000000000000000b
[Thu Dec 13 00:36:53 2018] RAX: ffffffffffffffda RBX: 000056007cc306a0 RCX: 00007f8f72cd276b
[Thu Dec 13 00:36:53 2018] RDX: 0000000000000001 RSI: 0000000000400000 RDI: 00007f8f67c00000
[Thu Dec 13 00:36:53 2018] RBP: 000056007cc33dc0 R08: 000000000001ffff R09: 0000000000000020
[Thu Dec 13 00:36:53 2018] R10: 000056007cc306a0 R11: 0000000000000246 R12: 0000000000000001
[Thu Dec 13 00:36:53 2018] R13: 00007ffd272c3a54 R14: 000056007cc07bd0 R15: 0000000000000014