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Feb 23rd, 2018
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  1. Feb 23 15:04:07 haze kernel: BUG: unable to handle kernel NULL pointer dereference at 00000000000000a8
  2. Feb 23 15:04:07 haze kernel: IP: down_write+0x12/0x30
  3. Feb 23 15:04:07 haze kernel: PGD 0 P4D 0
  4. Feb 23 15:04:07 haze kernel: Oops: 0002 [#1] PREEMPT SMP PTI
  5. Feb 23 15:04:07 haze kernel: Modules linked in: ebtable_filter ebtables ip6table_filter ip6_tables devlink iptable_filter fuse uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_core videodev media mousedev intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp snd_hda_codec_hdmi kvm_intel input_leds led_class kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc snd_hda_codec_realtek snd_hda_codec_generic aesni_intel aes_x86_64 crypto_simd glue_helper cryptd intel_cstate ext4 i915 crc16 mbcache nls_iso8859_1 jbd2 nls_cp437 vfat fat fscrypto rpcsec_gss_krb5 auth_rpcgss drm_kms_helper nfsv4 snd_usb_audio snd_usbmidi_lib iTCO_wdt iTCO_vendor_support snd_rawmidi joydev snd_seq_device snd_soc_rt5640 snd_soc_rl6231 dns_resolver mxm_wmi snd_soc_core snd_hda_intel drm nfs snd_hda_codec lockd snd_compress
  6. Feb 23 15:04:07 haze kernel: grace snd_hda_core sunrpc intel_uncore e1000e ac97_bus fscache intel_gtt agpgart syscopyarea mei_me nvidiafb snd_hwdep snd_pcm_dmaengine intel_rapl_perf sysfillrect vgastate sysimgblt pcspkr snd_pcm i2c_i801 fb_sys_fops ptp fb_ddc mei i2c_algo_bit lpc_ich pps_core snd_timer shpchp snd rtc_cmos bridge wmi soundcore stp evdev llc mac_hid crypto_user ip_tables x_tables hid_generic usbhid hid btrfs xor zstd_decompress zstd_compress xxhash dm_mod raid6_pq sd_mod ahci libahci xhci_pci libata ehci_pci xhci_hcd ehci_hcd crc32c_intel scsi_mod usbcore usb_common vfio_pci irqbypass vfio_virqfd vfio_iommu_type1 vfio
  7. Feb 23 15:04:07 haze kernel: CPU: 4 PID: 4427 Comm: libvirtd Not tainted 4.15.4-1-ARCH #1
  8. Feb 23 15:04:07 haze kernel: Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z97M Pro4, BIOS P1.90 05/13/2015
  9. Feb 23 15:04:07 haze kernel: RIP: 0010:down_write+0x12/0x30
  10. Feb 23 15:04:07 haze kernel: RSP: 0000:ffffb5af867cfc48 EFLAGS: 00010286
  11. Feb 23 15:04:07 haze kernel: RAX: 00000000000000a8 RBX: ffff9a486908f228 RCX: 0000000000000008
  12. Feb 23 15:04:07 haze kernel: RDX: ffffffff00000001 RSI: 0000000000000001 RDI: 00000000000000a8
  13. Feb 23 15:04:07 haze kernel: RBP: ffff9a486963d598 R08: ffff9a48682ad578 R09: 00000000000012d0
  14. Feb 23 15:04:07 haze kernel: R10: 00000000000012d0 R11: 0000000000000000 R12: ffff9a486963d540
  15. Feb 23 15:04:07 haze kernel: R13: ffff9a486963d5e0 R14: ffffffff9360f48c R15: ffff9a4607bb61a0
  16. Feb 23 15:04:07 haze kernel: FS: 00007f9a6b5a0700(0000) GS:ffff9a487fb00000(0000) knlGS:0000000000000000
  17. Feb 23 15:04:07 haze kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  18. Feb 23 15:04:07 haze kernel: CR2: 00000000000000a8 CR3: 0000000195ccc006 CR4: 00000000001606e0
  19. Feb 23 15:04:07 haze kernel: Call Trace:
  20. Feb 23 15:04:07 haze kernel: debugfs_remove_recursive+0x54/0x1b0
  21. Feb 23 15:04:07 haze kernel: xhci_debugfs_remove_slot+0x3c/0x70 [xhci_hcd]
  22. Feb 23 15:04:07 haze kernel: xhci_free_virt_devices_depth_first+0x42/0x120 [xhci_hcd]
  23. Feb 23 15:04:07 haze kernel: xhci_mem_cleanup+0x1d9/0x5d0 [xhci_hcd]
  24. Feb 23 15:04:07 haze kernel: xhci_stop+0x12e/0x1c0 [xhci_hcd]
  25. Feb 23 15:04:07 haze kernel: usb_remove_hcd+0xf7/0x240 [usbcore]
  26. Feb 23 15:04:07 haze kernel: usb_hcd_pci_remove+0x6b/0x130 [usbcore]
  27. Feb 23 15:04:07 haze kernel: pci_device_remove+0x3b/0xb0
  28. Feb 23 15:04:07 haze kernel: device_release_driver_internal+0x15a/0x220
  29. Feb 23 15:04:07 haze kernel: unbind_store+0x82/0x150
  30. Feb 23 15:04:07 haze kernel: kernfs_fop_write+0x10f/0x190
  31. Feb 23 15:04:07 haze kernel: __vfs_write+0x36/0x180
  32. Feb 23 15:04:07 haze kernel: ? __check_object_size+0x9b/0x1a0
  33. Feb 23 15:04:07 haze kernel: vfs_write+0xb1/0x1a0
  34. Feb 23 15:04:07 haze kernel: SyS_write+0x52/0xc0
  35. Feb 23 15:04:07 haze kernel: do_syscall_64+0x75/0x190
  36. Feb 23 15:04:07 haze kernel: entry_SYSCALL_64_after_hwframe+0x21/0x86
  37. Feb 23 15:04:07 haze kernel: RIP: 0033:0x7f9a7594c8eb
  38. Feb 23 15:04:07 haze kernel: RSP: 002b:00007f9a6b59f670 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
  39. Feb 23 15:04:07 haze kernel: RAX: ffffffffffffffda RBX: 00007f9a580236e4 RCX: 00007f9a7594c8eb
  40. Feb 23 15:04:07 haze kernel: RDX: 000000000000000c RSI: 00007f9a580236e4 RDI: 0000000000000017
  41. Feb 23 15:04:07 haze kernel: RBP: 000000000000000c R08: 0000000000000000 R09: 00007f9a78879108
  42. Feb 23 15:04:07 haze kernel: R10: 0000000000000000 R11: 0000000000000293 R12: 00007f9a580236e4
  43. Feb 23 15:04:07 haze kernel: R13: 0000000000000000 R14: 0000000000000017 R15: 00007f9a7887935b
  44. Feb 23 15:04:07 haze kernel: Code: 01 74 08 48 c7 47 20 01 00 00 00 f3 c3 66 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 ba 01 00 00 00 ff ff ff ff 48 89 f8 <f0> 48 0f c1 10 85 d2 74 05 e8 d0 30 ff ff 65 48 8b 04 25 c0 5b
  45. Feb 23 15:04:07 haze kernel: RIP: down_write+0x12/0x30 RSP: ffffb5af867cfc48
  46. Feb 23 15:04:07 haze kernel: CR2: 00000000000000a8
  47. Feb 23 15:04:07 haze kernel: ---[ end trace e0ee790693f3e9ed ]---
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