Ceph » Linux kernel client

after running snaptest1.sh twice:

[90471.092551] general protection fault: 0000 [#1] PREEMPT SMP
[90471.095369] last sysfs file: /sys/kernel/uevent_seqnum
[90471.095369] CPU 1
[90471.095369] Modules linked in: ceph aes_x86_64 aes_generic fan ac battery ehci_hcd psmouse ohci_hcd ide_pci_generic thermal button processor [last unloaded: ceph]
[90471.095369]
[90471.095369] Pid: 31955, comm: ceph-msgr/1 Not tainted 2.6.34-rc3 #26 H8SSL-I2/H8SSL-I2
[90471.095369] RIP: 0010:[<ffffffffa0180c9b>] [<ffffffffa0180c9b>] ceph_update_snap_trace+0x16a/0x419 [ceph]
[90471.095369] RSP: 0018:ffff88010bb81980 EFLAGS: 00010202
[90471.095369] RAX: 0000000000000000 RBX: 6b6b6b6b6b6b6813 RCX: ffff880107a9ee50
[90471.095369] RDX: 0000000000001716 RSI: ffffffff8169b620 RDI: ffff880106bc0128
[90471.095369] RBP: ffff88010bb81a00 R08: 0000000000000000 R09: 0000000000000004
[90471.095369] R10: ffffffffa0181065 R11: ffffffff8122891d R12: ffff88010ada6188
[90471.095369] R13: ffff880006662f38 R14: ffff88010ada6240 R15: 0000000000000000
[90471.095369] FS: 00007f73f068a6e0(0000) GS:ffff880002800000(0000) knlGS:0000000000000000
[90471.095369] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[90471.095369] CR2: 00007f73f068b315 CR3: 0000000001683000 CR4: 00000000000006e0
[90471.095369] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[90471.095369] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[90471.095369] Process ceph-msgr/1 (pid: 31955, threadinfo ffff88010bb80000, task ffff880107a9e780)
[90471.095369] Stack:
[90471.095369] 0000000000000000 ffffffffa0181065 0000000000000246 ffff88010ada6230
[90471.095369] <0> 0000000000000002 ffff880006662fa0 ffff88010f1ba508 ffff880006662f68
[90471.095369] <0> 00000001000003ec 0000000000000000 0000000000000000 ffff880106bc0128
[90471.095369] Call Trace:
[90471.095369] [<ffffffffa0181065>] ? ceph_handle_snap+0xf6/0x761 [ceph]
[90471.095369] [<ffffffffa01812ea>] ceph_handle_snap+0x37b/0x761 [ceph]
[90471.095369] [<ffffffff8104f3ea>] ? sched_clock_cpu+0xc6/0xd4
[90471.095369] [<ffffffff81058061>] ? trace_hardirqs_on_caller+0x113/0x13e
[90471.095369] [<ffffffff81058099>] ? trace_hardirqs_on+0xd/0xf
[90471.095369] [<ffffffffa018e09b>] dispatch+0xdb5/0x1461 [ceph]
[90471.095369] [<ffffffff81057f33>] ? mark_held_locks+0x49/0x64
[90471.095369] [<ffffffff81425c54>] ? __mutex_unlock_slowpath+0x10d/0x130
[90471.095369] [<ffffffff81058061>] ? trace_hardirqs_on_caller+0x113/0x13e
[90471.095369] [<ffffffff81058099>] ? trace_hardirqs_on+0xd/0xf
[90471.095369] [<ffffffffa0185763>] try_read+0xebf/0x158f [ceph]
[90471.095369] [<ffffffff810099e3>] ? native_sched_clock+0x37/0x71
[90471.095369] [<ffffffff8104f2c2>] ? sched_clock_local+0x11/0x73
[90471.095369] [<ffffffff8105abf5>] ? __lock_acquire+0x7eb/0x84e
[90471.095369] [<ffffffff81056719>] ? put_lock_stats+0xe/0x27
[90471.095369] [<ffffffffa01877cd>] con_work+0x11a/0x6bc [ceph]
[90471.095369] [<ffffffff810477ea>] worker_thread+0x1e8/0x2fa
[90471.095369] [<ffffffff81047791>] ? worker_thread+0x18f/0x2fa
[90471.095369] [<ffffffffa01876b3>] ? con_work+0x0/0x6bc [ceph]
[90471.095369] [<ffffffff8104a8b0>] ? autoremove_wake_function+0x0/0x38
[90471.095369] [<ffffffff81047602>] ? worker_thread+0x0/0x2fa
[90471.095369] [<ffffffff8104a57e>] kthread+0x7d/0x85
[90471.095369] [<ffffffff81003794>] kernel_thread_helper+0x4/0x10
[90471.095369] [<ffffffff81428700>] ? restore_args+0x0/0x30
[90471.095369] [<ffffffff8104a501>] ? kthread+0x0/0x85
[90471.095369] [<ffffffff81003790>] ? kernel_thread_helper+0x0/0x10
[90471.095369] Code: 08 4c 89 ff e8 21 0a f4 e0 48 89 df e8 cd f9 ff ff 4c 89 f7 e8 de 6b 2a e1 4c 8b 7d d0 48 8b 9b 58 03 00 00 48 81 eb 58 03 00 00 <48> 8b 83 58 03 00 00 0f 18 08 48 8d 83 58 03 00 00 48 3b 45 98
[90471.095369] RIP [<ffffffffa0180c9b>] ceph_update_snap_trace+0x16a/0x419 [ceph]
[90471.095369] RSP <ffff88010bb81980>
[90471.444601] ---[ end trace 3b40f2a19515d937 ]---