-- Logs begin at Sun 2016-05-29 15:32:12 PDT, end at Sun 2016-05-29 15:35:10 PDT. -- May 29 15:32:12 ubuntu-server-chaowang kernel: ACPI: RSDP 0x00000000000E0000 000024 (v02 VBOX ) May 29 15:32:12 ubuntu-server-chaowang kernel: ACPI: XSDT 0x000000007FFF0040 00004C (v01 VBOX VBOXXSDT 00000001 ASL 00000061) May 29 15:32:12 ubuntu-server-chaowang kernel: ACPI: FACP 0x000000007FFF0110 0000F4 (v04 VBOX VBOXFACP 00000001 ASL 00000061) May 29 15:32:12 ubuntu-server-chaowang kernel: ACPI: DSDT 0x000000007FFF0540 002106 (v01 VBOX VBOXBIOS 00000002 INTL 20100528) May 29 15:32:12 ubuntu-server-chaowang kernel: ACPI: FACS 0x000000007FFF0240 000040 May 29 15:32:12 ubuntu-server-chaowang kernel: ACPI: FACS 0x000000007FFF0240 000040 May 29 15:32:12 ubuntu-server-chaowang kernel: ACPI: APIC 0x000000007FFF0280 00006C (v02 VBOX VBOXAPIC 00000001 ASL 00000061) May 29 15:32:12 ubuntu-server-chaowang kernel: ACPI: HPET 0x000000007FFF02F0 000038 (v01 VBOX VBOXHPET 00000001 ASL 00000061) May 29 15:32:12 ubuntu-server-chaowang kernel: ACPI: MCFG 0x000000007FFF0330 00003C (v01 VBOX VBOXMCFG 00000001 ASL 00000061) May 29 15:32:12 ubuntu-server-chaowang kernel: ACPI: SSDT 0x000000007FFF0370 0001CC (v01 VBOX VBOXCPUT 00000002 INTL 20100528) May 29 15:32:12 ubuntu-server-chaowang kernel: ACPI: 2 ACPI AML tables successfully acquired and loaded May 29 15:32:12 ubuntu-server-chaowang kernel: #2 May 29 15:32:12 ubuntu-server-chaowang kernel: #3 May 29 15:32:12 ubuntu-server-chaowang kernel: PCCT header not found. May 29 15:32:12 ubuntu-server-chaowang kernel: ACPI: Executed 1 blocks of module-level executable AML code May 29 15:32:12 ubuntu-server-chaowang kernel: ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S1_] (20150930/hwxface-580) May 29 15:32:12 ubuntu-server-chaowang kernel: ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S2_] (20150930/hwxface-580) May 29 15:32:12 ubuntu-server-chaowang kernel: ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S3_] (20150930/hwxface-580) May 29 15:32:12 ubuntu-server-chaowang kernel: ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S4_] (20150930/hwxface-580) May 29 15:32:12 ubuntu-server-chaowang kernel: ACPI: Enabled 2 GPEs in block 00 to 07 May 29 15:32:12 ubuntu-server-chaowang kernel: piix4_smbus 0000:00:07.0: SMBus base address uninitialized - upgrade BIOS or use force_addr=0xaddr May 29 15:32:12 ubuntu-server-chaowang kernel: vgdrvHeartbeatInit: Setting up heartbeat to trigger every 2000 milliseconds May 29 15:32:12 ubuntu-server-chaowang kernel: vboxguest: misc device minor 55, IRQ 20, I/O port d020, MMIO at 00000000f0000000 (size 0x400000) May 29 15:32:12 ubuntu-server-chaowang systemd-udevd[521]: Process '/sbin/mdadm --incremental /dev/sdc --offroot' failed with exit code 1. May 29 15:32:12 ubuntu-server-chaowang systemd-udevd[509]: Process '/sbin/mdadm --incremental /dev/sdd --offroot' failed with exit code 1. May 29 15:32:12 ubuntu-server-chaowang systemd-udevd[518]: Process '/lib/udev/hdparm' failed with exit code 5. May 29 15:32:12 ubuntu-server-chaowang systemd-udevd[511]: Process '/lib/udev/hdparm' failed with exit code 5. May 29 15:32:12 ubuntu-server-chaowang systemd-udevd[509]: Process '/lib/udev/hdparm' failed with exit code 5. May 29 15:32:12 ubuntu-server-chaowang systemd-udevd[521]: Process '/lib/udev/hdparm' failed with exit code 5. May 29 15:32:13 ubuntu-server-chaowang systemd-tmpfiles[725]: [/usr/lib/tmpfiles.d/var.conf:14] Duplicate line for path "/var/log", ignoring. May 29 15:32:13 ubuntu-server-chaowang kernel: cgroup: new mount options do not match the existing superblock, will be ignored May 29 15:32:13 ubuntu-server-chaowang kernel: VBoxService 5.0.20 r106931 (verbosity: 0) linux.amd64 (Apr 28 2016 15:21:19) release log 00:00:00.000110 main Log opened 2016-05-29T22:32:13.614447000Z May 29 15:32:13 ubuntu-server-chaowang kernel: 00:00:00.000176 main OS Product: Linux May 29 15:32:13 ubuntu-server-chaowang kernel: 00:00:00.000200 main OS Release: 4.4.11-040411-generic May 29 15:32:13 ubuntu-server-chaowang kernel: 00:00:00.000219 main OS Version: #201605182255 SMP Thu May 19 02:57:22 UTC 2016 May 29 15:32:13 ubuntu-server-chaowang kernel: 00:00:00.000236 main Executable: /opt/VBoxGuestAdditions-5.0.20/sbin/VBoxService 00:00:00.000237 main Process ID: 989 00:00:00.000237 main Package type: LINUX_64BITS_GENERIC May 29 15:32:13 ubuntu-server-chaowang kernel: 00:00:00.001225 main 5.0.20 r106931 started. Verbose level = 0 May 29 15:32:15 ubuntu-server-chaowang iscsid[1071]: iSCSI logger with pid=1073 started! May 29 15:32:15 ubuntu-server-chaowang iscsid[1073]: iSCSI daemon with pid=1074 started! May 29 15:35:10 ubuntu-server-chaowang kernel: ------------[ cut here ]------------ May 29 15:35:10 ubuntu-server-chaowang kernel: kernel BUG at /home/kernel/COD/linux/drivers/md/bcache/super.c:1822! May 29 15:35:10 ubuntu-server-chaowang kernel: invalid opcode: 0000 [#1] SMP May 29 15:35:10 ubuntu-server-chaowang kernel: Modules linked in: vboxsf(OE) ppdev vboxvideo(OE) lpc_ich joydev input_leds ttm drm_kms_helper drm serio_raw fb_sys_fops syscopyarea sysfillrect sysimgblt parport_pc 8250_fintek parport mac_hid i2c_piix4 vboxguest(OE) ib_iser rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi autofs4 btrfs raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 multipath linear bcache raid0 hid_generic usbhid hid crct10dif_pclmul crc32_pclmul aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd psmouse fjes ahci libahci pata_acpi video May 29 15:35:10 ubuntu-server-chaowang kernel: CPU: 0 PID: 2255 Comm: bcache-register Tainted: G OE 4.4.11-040411-generic #201605182255 May 29 15:35:10 ubuntu-server-chaowang kernel: Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006 May 29 15:35:10 ubuntu-server-chaowang kernel: task: ffff880035888000 ti: ffff88007baec000 task.ti: ffff88007baec000 May 29 15:35:10 ubuntu-server-chaowang kernel: RIP: 0010:[] [] cache_alloc.isra.20+0x646/0x670 [bcache] May 29 15:35:10 ubuntu-server-chaowang kernel: RSP: 0018:ffff88007baefd10 EFLAGS: 00010246 May 29 15:35:10 ubuntu-server-chaowang kernel: RAX: ffff88007bb92890 RBX: ffff88007c256000 RCX: 000000000000113c May 29 15:35:10 ubuntu-server-chaowang kernel: RDX: 000000000000113b RSI: 0000000000000000 RDI: 0000000000019d40 May 29 15:35:10 ubuntu-server-chaowang kernel: RBP: ffff88007baefd28 R08: ffff88007fc19d40 R09: ffff88007d001d00 May 29 15:35:10 ubuntu-server-chaowang kernel: R10: ffff88007bb92890 R11: ffff88007adac2d8 R12: 0000000000000000 May 29 15:35:10 ubuntu-server-chaowang kernel: R13: 0000000000000010 R14: ffff88007c3c9000 R15: ffff88007c256000 May 29 15:35:10 ubuntu-server-chaowang kernel: FS: 00007f336871b700(0000) GS:ffff88007fc00000(0000) knlGS:0000000000000000 May 29 15:35:10 ubuntu-server-chaowang kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 May 29 15:35:10 ubuntu-server-chaowang kernel: CR2: 00007f3368184130 CR3: 0000000078e78000 CR4: 00000000000406f0 May 29 15:35:10 ubuntu-server-chaowang kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 May 29 15:35:10 ubuntu-server-chaowang kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 May 29 15:35:10 ubuntu-server-chaowang kernel: Stack: May 29 15:35:10 ubuntu-server-chaowang kernel: ffffea0001e55140 ffff880035549040 0000000000000000 ffff88007baefdd0 May 29 15:35:10 ubuntu-server-chaowang kernel: ffffffffc01353e3 ffff88007baefd58 ffffffff811c8de5 000000007fcc5025 May 29 15:35:10 ubuntu-server-chaowang kernel: 00007f336818f000 ffff88007adac2d8 ffff88007c256008 0000000000000009 May 29 15:35:10 ubuntu-server-chaowang kernel: Call Trace: May 29 15:35:10 ubuntu-server-chaowang kernel: [] register_bcache+0x2b3/0x1140 [bcache] May 29 15:35:10 ubuntu-server-chaowang kernel: [] ? page_add_file_rmap+0x25/0x60 May 29 15:35:10 ubuntu-server-chaowang kernel: [] ? unlock_page+0x69/0x70 May 29 15:35:10 ubuntu-server-chaowang kernel: [] kobj_attr_store+0xf/0x20 May 29 15:35:10 ubuntu-server-chaowang kernel: [] sysfs_kf_write+0x37/0x40 May 29 15:35:10 ubuntu-server-chaowang kernel: [] kernfs_fop_write+0x11d/0x170 May 29 15:35:10 ubuntu-server-chaowang kernel: [] __vfs_write+0x37/0x110 May 29 15:35:10 ubuntu-server-chaowang kernel: [] ? apparmor_file_permission+0x18/0x20 May 29 15:35:10 ubuntu-server-chaowang kernel: [] ? security_file_permission+0x3d/0xc0 May 29 15:35:10 ubuntu-server-chaowang kernel: [] ? percpu_down_read+0x12/0x50 May 29 15:35:10 ubuntu-server-chaowang kernel: [] vfs_write+0xa9/0x1a0 May 29 15:35:10 ubuntu-server-chaowang kernel: [] SyS_write+0x55/0xc0 May 29 15:35:10 ubuntu-server-chaowang kernel: [] entry_SYSCALL_64_fastpath+0x16/0x71 May 29 15:35:10 ubuntu-server-chaowang kernel: Code: 6a fd ff ff e9 4d fd ff ff be c0 00 40 02 4c 89 e7 e8 cf 81 0b c1 48 85 c0 48 89 83 f0 0a 00 00 0f 85 96 fd ff ff e9 79 fd ff ff <0f> 0b 0f 0b 0f 0b bf 40 00 00 00 e8 9a b0 09 c1 48 85 c0 48 89 May 29 15:35:10 ubuntu-server-chaowang kernel: RIP [] cache_alloc.isra.20+0x646/0x670 [bcache] May 29 15:35:10 ubuntu-server-chaowang kernel: RSP May 29 15:35:10 ubuntu-server-chaowang kernel: ---[ end trace 08ffc8f01c6c5aaa ]--- May 29 15:35:10 ubuntu-server-chaowang systemd-udevd[2253]: Process 'bcache-register /dev/sdb' terminated by signal SEGV.