Apr 16 17:29:27 oje kernel: [2777781.864435] CPU 4
Apr 16 17:29:27 oje kernel: [2777781.864466] Modules linked in: lttng_probe_timer(O) lttng_probe_statedump(O) lttng_probe_signal(O) lttng_probe_sched(O) lttng_probe_kvm(O) lttng_probe_irq(O) lttng_probe_block(O) lttng_types(O) lttng_probe_lttng(O) lttng_ring_buffer_metadata_mmap_client(O) lttng_ring_buffer_client_mmap_overwrite(O) lttng_ring_buffer_client_mmap_discard(O) lttng_ring_buffer_metadata_client(O) lttng_ring_buffer_client_overwrite(O) lttng_ring_buffer_client_discard(O) lttng_tracer(O) lttng_kretprobes(O) lttng_kprobes(O) lttng_statedump(O) lttng_lib_ring_buffer(O) bnep rfcomm bluetooth rfkill crc16 parport_pc ppdev lp parport binfmt_misc fuse nfsd nfs lockd fscache auth_rpcgss nfs_acl sunrpc loop radeon joydev ttm drm_kms_helper drm edac_core shpchp nv_tco psmouse i2c_nforce2 i2c_algo_bit power_supply pci_hotplug pcspkr edac_mce_amd i2c_core evdev k10temp serio_raw ext3 jbd mbcache sg sr_mod sd_mod cdrom crc_t10dif usbhid hid ata_generic pata_amd ohci_hcd sata_nv libata ehci_hcd igb e1000 scsi_mod
Apr 16 17:29:27 oje kernel: usbcore dca [last unloaded: lttng_kretprobes]
Apr 16 17:29:27 oje kernel: [2777781.864740]
Apr 16 17:29:27 oje kernel: [2777781.864740] Pid: 5746, comm: lttng-sessiond Tainted: G        W  O 3.0.0opteron #4 Supermicro H8QM3/H8QM3
Apr 16 17:29:27 oje kernel: [2777781.864740] RIP: 0010:[<ffffffff8105ac32>]  [<ffffffff8105ac32>] notifier_chain_register+0x2/0x20
Apr 16 17:29:27 oje kernel: [2777781.864740] RSP: 0018:ffff880077083bc0  EFLAGS: 00010282
Apr 16 17:29:27 oje kernel: [2777781.864740] RAX: a8c00e1ea8c0f2e6 RBX: ffff8800bb113c50 RCX: 0000000000000010
Apr 16 17:29:27 oje kernel: [2777781.864740] RDX: 0000000001082e40 RSI: ffff8800bb113c50 RDI: ffff880030ffb858
Apr 16 17:29:27 oje kernel: [2777781.864740] RBP: ffffffffa03b5270 R08: 0000000000000200 R09: ffffffff8167eff0
Apr 16 17:29:27 oje kernel: [2777781.864740] R10: 00000000000000c2 R11: 00000000000000c2 R12: 00000000ffffffff
Apr 16 17:29:27 oje kernel: [2777781.864740] R13: ffff8801273fbc80 R14: 0000000010000000 R15: 0000000000000010
Apr 16 17:29:27 oje kernel: [2777781.864740] FS:  00007f7bd96a9700(0000) GS:ffff88012fc00000(0000) knlGS:0000000000000000
Apr 16 17:29:27 oje kernel: [2777781.864740] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Apr 16 17:29:27 oje kernel: [2777781.864740] CR2: 00000000023332b0 CR3: 000000012d04b000 CR4: 00000000000006e0
Apr 16 17:29:27 oje kernel: [2777781.864740] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Apr 16 17:29:27 oje kernel: [2777781.864740] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Apr 16 17:29:27 oje kernel: [2777781.864740] Process lttng-sessiond (pid: 5746, threadinfo ffff880077082000, task ffff8800772dc770)
Apr 16 17:29:27 oje kernel: [2777781.864740]  ffffffff812c0ee0 ffff8801273fbc80 0000000010000000 ffff8800bb113c10
Apr 16 17:29:27 oje kernel: [2777781.864740]  ffffffffa03a00e3 0000000000000246 0000001010000000 ffff8801273fbc80
Apr 16 17:29:27 oje kernel: [2777781.864740]  ffff8800bb113c00 ffffffffa03b5270 ffffffffa0411188 ffff8800bb113c10
Apr 16 17:29:27 oje kernel: [2777781.864740]  [<ffffffff812c0ee0>] ? register_cpu_notifier+0x1c/0x2f
Apr 16 17:29:27 oje kernel: [2777781.864740]  [<ffffffffa03a00e3>] ? channel_backend_init+0x189/0x2a0 [lttng_lib_ring_buffer]
Apr 16 17:29:27 oje kernel: [2777781.864740]  [<ffffffffa03a06ac>] ? channel_create+0x76/0x1ce [lttng_lib_ring_buffer]
Apr 16 17:29:27 oje kernel: [2777781.864740]  [<ffffffffa03b44ac>] ? _channel_create+0x2b/0x30 [lttng_ring_buffer_client_discard]
Apr 16 17:29:27 oje kernel: [2777781.864740]  [<ffffffffa03ce622>] ? lttng_channel_create+0xeb/0x165 [lttng_tracer]
Apr 16 17:29:27 oje kernel: [2777781.864740]  [<ffffffffa03cf734>] ? lttng_abi_create_channel+0x122/0x1c5 [lttng_tracer]
Apr 16 17:29:27 oje kernel: [2777781.864740]  [<ffffffff810c7172>] ? page_move_anon_rmap+0x1c/0x28
Apr 16 17:29:27 oje kernel: [2777781.864740]  [<ffffffffa03cfbdd>] ? lttng_session_ioctl+0x64/0x71 [lttng_tracer]
Apr 16 17:29:27 oje kernel: [2777781.864740]  [<ffffffff810f4455>] ? do_vfs_ioctl+0x45c/0x49d
Apr 16 17:29:27 oje kernel: [2777781.864740]  [<ffffffff810f71d8>] ? dput+0xd8/0xe4
Apr 16 17:29:27 oje kernel: [2777781.864740]  [<ffffffff810fbd02>] ? cpumask_next+0x16/0x18
Apr 16 17:29:27 oje kernel: [2777781.864740]  [<ffffffff810fcc74>] ? mnt_get_count+0x32/0x41
Apr 16 17:29:27 oje kernel: [2777781.864740]  [<ffffffff810f44e1>] ? sys_ioctl+0x4b/0x72
Apr 16 17:29:27 oje kernel: [2777781.864740]  [<ffffffff812de292>] ? system_call_fastpath+0x16/0x1b
Apr 16 17:29:27 oje kernel: [2777781.864740]  RSP <ffff880077083bc0>
Apr 16 17:29:27 oje kernel: [2777782.091016] ---[ end trace fcc54233a1dc458e ]---