Oct 22 07:30:24 aiee kernel: [415091.172167] BTRFS info (device md10): relocating block group 138542055424 flags 1 Oct 22 07:30:26 aiee kernel: [415092.985045] BTRFS info (device md10): found 434 extents Oct 22 07:30:49 aiee kernel: [415094.787742] ------------[ cut here ]------------ Oct 22 07:30:49 aiee kernel: [415094.787748] kernel BUG at /build/linux-vpfKwJ/linux-4.2.3/fs/btrfs/extent-tree.c:1833! Oct 22 07:30:49 aiee kernel: [415094.787750] invalid opcode: 0000 [#1] SMP Oct 22 07:30:49 aiee kernel: [415094.787752] Modules linked in: ufs qnx4 hfsplus hfs minix ntfs vfat msdos fat jfs xfs dm_mod fuse nvidia_uvm(PO) nfsv3 target_core_mod nfsv4 dns_resolver nls_utf8 isofs bnep bluetooth ebtable_filter ebtables nfsv2 pci_stub vboxpci(O) vboxnetadp(O) vboxnetflt(O) binfmt_misc cpufreq_stats cpufreq_userspace vboxdrv(O) cpufreq_powersave cpufreq_conservative joydev uinput bridge stp llc ftdi_sio huawei_cdc_ncm cdc_wdm option cdc_ncm usb_wwan usbnet nfsd auth_rpcgss oid_registry nfs_acl cdc_acm nfs lockd grace fscache sunrpc crct10dif_pclmul crc32_pclmul ghash_clmulni_intel sha256_ssse3 sha256_generic hmac ip6table_filter drbg ip6_tables ansi_cprng nf_log_ipv4 nf_log_common xt_LOG xt_tcpudp xt_conntrack aesni_intel aes_x86_64 lrw iptable_filter gf128mul glue_helper ablk_helper ipt_MASQUERADE cryptd nf_nat_masquerade_ipv4 iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat pl2303 nf_conntrack usbserial ip_tables x_tables eeepc_wmi asus_wmi sparse_keymap rfkill video snd_hda_codec_hdmi mxm_wmi psmouse pcspkr amd64_edac_mod serio_raw edac_mce_amd snd_hda_codec_realtek sp5100_tco fam15h_power k10temp edac_core snd_hda_codec_generic i2c_piix4 snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_timer snd soundcore shpchp tpm_infineon acpi_cpufreq tpm_tis 8250_fintek tpm wmi processor thermal_sys button ext4 crc16 mbcache jbd2 evdev uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev media sr_mod cdrom sg ib_iser rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi nvidia(PO) drm it87 hwmon_vid max6650 netconsole configfs loop ipmi_watchdog ipmi_poweroff ipmi_devintf ipmi_msghandler ecryptfs drbd lru_cache libcrc32c parport_pc ppdev lp parport autofs4 btrfs xor raid6_pq uhci_hcd raid10 raid1 hid_generic usbhid hid md_mod uas usb_storage sd_mod ohci_pci crc32c_intel r8169 mii ahci xhci_pci libahci ohci_hcd ehci_pci xhci_hcd mpt2sas ehci_hcd raid_class libata scsi_transport_sas usbcore usb_comm Oct 22 07:30:49 aiee kernel: [415094.787816] CPU: 1 PID: 24232 Comm: kworker/u16:9 Tainted: P O 4.2.0-1-amd64 #1 Debian 4.2.3-1 Oct 22 07:30:49 aiee kernel: [415094.787817] Hardware name: To be filled by O.E.M. To be filled by O.E.M./SABERTOOTH 990FX R2.0, BIOS 1503 01/11/2013 Oct 22 07:30:49 aiee kernel: [415094.787835] Workqueue: btrfs-extent-refs btrfs_extent_refs_helper [btrfs] Oct 22 07:30:49 aiee kernel: [415094.787837] task: ffff88018a606300 ti: ffff880036480000 task.ti: ffff880036480000 Oct 22 07:30:49 aiee kernel: [415094.787838] RIP: 0010:[] [] insert_inline_extent_backref+0xe3/0xf0 [btrfs] Oct 22 07:30:49 aiee kernel: [415094.787845] RSP: 0018:ffff880036483af8 EFLAGS: 00010293 Oct 22 07:30:49 aiee kernel: [415094.787847] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 Oct 22 07:30:49 aiee kernel: [415094.787848] RDX: ffff880000000000 RSI: 0000000000000001 RDI: 0000000000000000 Oct 22 07:30:49 aiee kernel: [415094.787849] RBP: ffff8800b5b8c800 R08: 0000000000004000 R09: ffff8800364839f8 Oct 22 07:30:49 aiee kernel: [415094.787850] R10: 0000000000000000 R11: 0000000000000003 R12: ffff88015011aec0 Oct 22 07:30:49 aiee kernel: [415094.787851] R13: 0000000000000103 R14: 0000000000000000 R15: 0000000000000000 Oct 22 07:30:49 aiee kernel: [415094.787852] FS: 00007fe2f7ff5700(0000) GS:ffff88083ec40000(0000) knlGS:00000000f765d700 Oct 22 07:30:49 aiee kernel: [415094.787853] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b Oct 22 07:30:49 aiee kernel: [415094.787854] CR2: 00007f6570be6040 CR3: 00000007d83ac000 CR4: 00000000000406e0 Oct 22 07:30:49 aiee kernel: [415094.787855] Stack: Oct 22 07:30:49 aiee kernel: [415094.787856] 0000000000000000 0000000000000103 0000000000000000 0000000000000000 Oct 22 07:30:49 aiee kernel: [415094.787858] 0000000000000001 ffff880036483b38 0000000000000018 ffffffff810126cb Oct 22 07:30:49 aiee kernel: [415094.787860] ffff88015011af28 0000000000003637 ffff88015011af40 ffff8808153c6800 Oct 22 07:30:49 aiee kernel: [415094.787862] Call Trace: Oct 22 07:30:49 aiee kernel: [415094.787866] [] ? __switch_to+0x24b/0x570 Oct 22 07:30:49 aiee kernel: [415094.787873] [] ? __btrfs_inc_extent_ref.isra.51+0xa7/0x280 [btrfs] Oct 22 07:30:49 aiee kernel: [415094.787883] [] ? find_ref_head+0x5a/0x80 [btrfs] Oct 22 07:30:49 aiee kernel: [415094.787890] [] ? __btrfs_run_delayed_refs+0xc24/0x1050 [btrfs] Oct 22 07:30:49 aiee kernel: [415094.787894] [] ? __sb_start_write+0x42/0xe0 Oct 22 07:30:49 aiee kernel: [415094.787901] [] ? btrfs_run_delayed_refs.part.72+0x6a/0x280 [btrfs] Oct 22 07:30:49 aiee kernel: [415094.787908] [] ? delayed_ref_async_start+0x78/0x90 [btrfs] Oct 22 07:30:49 aiee kernel: [415094.787918] [] ? normal_work_helper+0xbc/0x240 [btrfs] Oct 22 07:30:49 aiee kernel: [415094.787920] [] ? process_one_work+0x14a/0x3b0 Oct 22 07:30:49 aiee kernel: [415094.787922] [] ? worker_thread+0x4d/0x450 Oct 22 07:30:49 aiee kernel: [415094.787924] [] ? rescuer_thread+0x2e0/0x2e0 Oct 22 07:30:49 aiee kernel: [415094.787926] [] ? kthread+0xc1/0xe0 Oct 22 07:30:49 aiee kernel: [415094.787927] [] ? kthread_create_on_node+0x170/0x170 Oct 22 07:30:49 aiee kernel: [415094.787930] [] ? ret_from_fork+0x3f/0x70 Oct 22 07:30:49 aiee kernel: [415094.787931] [] ? kthread_create_on_node+0x170/0x170 Oct 22 07:30:49 aiee kernel: [415094.787932] Code: 89 d9 4c 89 34 24 4d 89 e8 4c 89 f9 4c 89 e6 48 89 ef 48 89 44 24 10 8b 84 24 a8 00 00 00 89 44 24 08 e8 41 e2 ff ff 31 c0 eb b3 <0f> 0b 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 41 57 41 Oct 22 07:30:49 aiee kernel: [415094.787948] RIP [] insert_inline_extent_backref+0xe3/0xf0 [btrfs] Oct 22 07:30:49 aiee kernel: [415094.787954] RSP