Jul 27 13:41:16 cluster-head1 kernel: [1477915.691494] BUG: unable to handle kernel NULL pointer dereference at 0000000000000018 Jul 27 13:41:16 cluster-head1 kernel: [1477915.699551] IP: [] fld_local_lookup+0x4d/0x280 [fld] Jul 27 13:41:16 cluster-head1 kernel: [1477915.706286] PGD 0 Jul 27 13:41:16 cluster-head1 kernel: [1477915.708500] Oops: 0000 [#1] SMP Jul 27 13:41:16 cluster-head1 kernel: [1477915.711951] Modules linked in: osp(O) mdd(O) lod(O) mdt(O) lfsck(O) mgs(O) mgc(O) nodemap(O) osd_zfs(O) fid(O) fld(O) lquota(O) ksocklnd(O) ko2iblnd(O) ptlrpc(O) obdclass(O) lnet(O) sha512_ssse3 sha512_generic sha256_ssse3 sha256_generic libcfs(O) drbd(O) libcrc32c ipmi_devintf ipmi_si ipmi_msghandler ipt_MASQUERADE iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack ip_tables rdma_ucm(O) rdma_cm(O) iw_cm(O) ib_uverbs(O) ib_umad(O) ib_ipoib(O) ib_cm(O) bonding mlx4_ib(O) ib_sa(O) ib_mad(O) ib_core(O) ib_addr(O) zfs(PO) zunicode(PO) zavl(PO) zcommon(PO) znvpair(PO) spl(O) coretemp kvm_intel kvm mlx4_core(O) ehci_pci ehci_hcd compat(O) microcode ioapic lpc_ich i7core_edac mfd_core edac_core acpi_cpufreq processor nfsd exportfs ipv6 ext4 jbd2 dm_mod sr_mod cdrom hid_generic usbhid crc32c_intel psmouse ahci uhci_hcd libahci e1000e qla2xxx usbcore usb_common scsi_transport_fc igb i2c_algo_bit scsi_tgt aacraid Jul 27 13:41:16 cluster-head1 kernel: [1477915.796649] CPU: 9 PID: 11740 Comm: orph_cleanup_l- Tainted: P O 3.12.44-ql-generic-58 #1 Jul 27 13:41:16 cluster-head1 kernel: [1477915.805884] Hardware name: Supermicro X8DT6/X8DT6, BIOS 2.0a 09/14/2010 Jul 27 13:41:16 cluster-head1 kernel: [1477915.812951] task: ffff8802f0c035d0 ti: ffff880128914000 task.ti: ffff880128914000 Jul 27 13:41:16 cluster-head1 kernel: [1477915.820672] RIP: 0010:[] [] fld_local_lookup+0x4d/0x280 [fld] Jul 27 13:41:16 cluster-head1 kernel: [1477915.829950] RSP: 0018:ffff880128915c18 EFLAGS: 00010282 Jul 27 13:41:16 cluster-head1 kernel: [1477915.835501] RAX: ffff880344560a80 RBX: ffff880344560a80 RCX: ffff880128915ca0 Jul 27 13:41:16 cluster-head1 kernel: [1477915.842931] RDX: ffff88036fe01e00 RSI: ffffffffa1851fc0 RDI: ffff8804e66f57c0 Jul 27 13:41:16 cluster-head1 kernel: [1477915.850363] RBP: ffff880128915c50 R08: ffff880128915cec R09: ffff88012fc91258 Jul 27 13:41:16 cluster-head1 kernel: [1477915.857790] R10: 0000000000007da3 R11: 0000000000000004 R12: ffff880128915ca0 Jul 27 13:41:16 cluster-head1 kernel: [1477915.865221] R13: 0000000000000000 R14: 0000000200007da3 R15: 0000000000000003 Jul 27 13:41:16 cluster-head1 kernel: [1477915.872647] FS: 0000000000000000(0000) GS:ffff880333ca0000(0000) knlGS:0000000000000000 Jul 27 13:41:16 cluster-head1 kernel: [1477915.881032] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b Jul 27 13:41:16 cluster-head1 kernel: [1477915.887019] CR2: 0000000000000018 CR3: 00000000016b1000 CR4: 00000000000007e0 Jul 27 13:41:16 cluster-head1 kernel: [1477915.894445] Stack: Jul 27 13:41:16 cluster-head1 kernel: [1477915.896690] 0000000000000001 ffff880491e14f70 0000000000000246 0000000000000000 Jul 27 13:41:16 cluster-head1 kernel: [1477915.904468] 0000000200007da3 ffff880128915ca0 ffff8804e66f57c0 ffff880128915c88 Jul 27 13:41:16 cluster-head1 kernel: [1477915.912255] ffffffffa184b58f ffffffffa109177b ffff8801303e2210 ffff8800065a4000 Jul 27 13:41:16 cluster-head1 kernel: [1477915.920029] Call Trace: Jul 27 13:41:16 cluster-head1 kernel: [1477915.922718] [] fld_server_lookup+0x3f/0x2f0 [fld] Jul 27 13:41:16 cluster-head1 kernel: [1477915.929339] [] ? zap_leaf_array_match+0xcb/0x210 [zfs] Jul 27 13:41:16 cluster-head1 kernel: [1477915.936368] [] lod_fld_lookup+0x276/0x3e0 [lod] Jul 27 13:41:16 cluster-head1 kernel: [1477915.942809] [] lod_object_init+0x96/0x380 [lod] Jul 27 13:41:16 cluster-head1 kernel: [1477915.949239] [] lu_object_alloc+0xd7/0x320 [obdclass] Jul 27 13:41:16 cluster-head1 kernel: [1477915.956099] [] lu_object_find_at+0x20b/0x370 [obdclass] Jul 27 13:41:16 cluster-head1 kernel: [1477915.963226] [] ? zap_lookup+0x2e/0x30 [zfs] Jul 27 13:41:16 cluster-head1 kernel: [1477915.969305] [] lu_object_find_slice+0x1a/0x90 [obdclass] Jul 27 13:41:16 cluster-head1 kernel: [1477915.976538] [] mdd_object_find+0xb/0x60 [mdd] Jul 27 13:41:16 cluster-head1 kernel: [1477915.982782] [] __mdd_orphan_cleanup+0x4b6/0x11e0 [mdd] Jul 27 13:41:16 cluster-head1 kernel: [1477915.989809] [] ? orph_declare_index_delete+0x330/0x330 [mdd] Jul 27 13:41:16 cluster-head1 kernel: [1477915.997420] [] kthread+0xbb/0xc0 Jul 27 13:41:16 cluster-head1 kernel: [1477916.002544] [] ? kthread_create_on_node+0x120/0x120 Jul 27 13:41:16 cluster-head1 kernel: [1477916.009308] [] ret_from_fork+0x58/0x90 Jul 27 13:41:16 cluster-head1 kernel: [1477916.014942] [] ? kthread_create_on_node+0x120/0x120 Jul 27 13:41:16 cluster-head1 kernel: [1477916.021726] Code: 74 0e 8b 35 e6 94 b5 ff 85 f6 0f 88 de 00 00 00 48 89 df 48 c7 c6 c0 1f 85 a1 e8 3f fe c5 ff 48 85 c0 48 89 c3 0f 84 1c 01 00 00 <49> 8b 7d 18 48 8d 50 18 4c 89 f6 e8 c3 eb ff ff 85 c0 75 6f 8b Jul 27 13:41:16 cluster-head1 kernel: [1477916.042102] RIP [] fld_local_lookup+0x4d/0x280 [fld] Jul 27 13:41:16 cluster-head1 kernel: [1477916.048978] RSP Jul 27 13:41:16 cluster-head1 kernel: [1477916.052708] CR2: 0000000000000018 Jul 27 13:41:16 cluster-head1 kernel: [1477916.056642] ---[ end trace 734ddc1c6c69fac3 ]---